LinkSwitch-XT2SR
High-Efficiency Off-line CV Flyback Switcher IC with Integrated 725 V / 900 V Primary MOSFET, Low No-Load, and Synchronous Rectification
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                产品
                
               
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                产品
                
               
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                      数据手册
                      
                     
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                      輸出功率 (最大) - 开架式, 通用
                      
                     
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                      輸出功率 (最大) - 开架式, 230V
                      
                     
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                      输出电压 (最小)
                      
                     
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                      输出电压 (最大)
                      
                     
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                      击穿电压
                      
                     
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                      输入电压 (最小)
                      
                     
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                      输入电压 (最大)
                      
                     
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                      保护功能
                      
                     
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                      控制功能
                      
                     
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                      内部开关
                      
                     
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                      产品类型
                      
                     
                   | 
                                                                                            
                   
                      IC封装
                      
                     
                   | 
                                                                                            
                   
                      拓扑结构
                      
                     
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                      自动重启和过压反应
                      
                     
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                      自动重启阈值
                      
                     
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                      过热反应
                      
                     
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                      运作温度 (最小)
                      
                     
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                      运作温度 (最大)
                      
                     
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                      开关频率 (最大)
                      
                     
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                      平均开关频率 (230 VAC)
                      
                     
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                      MSL等级
                      
                     
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                            |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                6.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                7.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Max)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                6.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                7.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                10.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Max)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                10.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                15.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Max)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                15.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                725 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                265 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                10.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Max)
                                                5 V
                       
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                900 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                484 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              ||
| 
                     
                                                  Data Sheet
                                                
    
      View Data Sheet
      
    
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, Univ
                                                10.0 W
                       
                     | 
                                                                          
                     
                                                  Output Power (Max) - Open Frame, 230V
                                                12.0 W
                       
                     | 
                                                                          
                     
                                                  Voltage - Output (Min)
                                                5 V
                       
                     | 
                                                                          
                     | 
                                                                          
                     
                                                  Breakdown Voltage
                                                900 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Min)
                                                85 V
                       
                     | 
                                                                          
                     
                                                  Voltage - Input (Max)
                                                484 V
                       
                     | 
                                                                          
                     
                                                  Protection Features
                                                开路同步整流FET检测, 输出过压, 过温
                       
                     | 
                                                                          
                     
                                                  Control Features
                                                同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
                       
                     | 
                                                                          
                     
                                                  Internal Switch
                                                Yes
                       
                     | 
                                                                          
                     
                                                  Product Type
                                                IC
                       
                     | 
                                                                          
                     
                                                  IC Package
                                                SO-16B
                       
                     | 
                                                                          
                     
                                                  Topology
                                                反激式
                       
                     | 
                                                                          
                     
                                                  Auto-Restart & Overvoltage Response
                                                自动重启
                       
                     | 
                                                                          
                     
                                                  Auto-Restart Threshold
                                                OL
                       
                     | 
                                                                          
                     
                                                  Over-Temperature Response
                                                滞回
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Min)
                                                -40 °C
                       
                     | 
                                                                          
                     
                                                  Temperature - Operating (Max)
                                                150 °C
                       
                     | 
                                                                          
                     
                                                  Switching Frequency (max)
                                                66 kHz
                       
                     | 
                                                                                                    
                     
                                                  Switching Frequency (Avg. 230 VAC)
                                                66 kHz
                       
                     | 
                                                                          
                     
                                                  MSL Rating
                                                3
                       
                     | 
                                                                          
                     | 
                                                              
The LinkSwitch-XT2SR family dramatically increases the efficiency of auxiliary power supplies used in appliances, consumer products and industrial applications. Ideal for non-isolated designs with a high current, 5 V output, this advanced flyback controller can achieve >90% full load efficiency. High efficiency is maintained over to load range, with >85% efficiency at 100 mW load. No-load consumption is <5 mW.
The default 5 V main output can be adjusted via optional external feedback resistors. Power for start-up and normal operation is supplied from the DRAIN and VOUT pins, eliminating the need for a bias winding and associated
circuitry. The SO-16 package and a low number of external components make the LinkSwitch-XT2SR ICs ideal for compact designs.
