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LinkSwitch-XT2

Energy Efficient, Low Power Off-Line Switcher IC With Integrated System Level Protection

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Product Parts Table
Product
Data Sheet
Output Power (Max) - Enclosed, 230V
Output Power (Max) - Enclosed, Univ
Breakdown Voltage
Voltage - Input (Min)
Voltage - Input (Max)
Output Power (Max) - Open Frame, 230V
Output Power (Max) - Open Frame, Univ
IC Package
Control Features
Protection Features
Over-Temperature Response
Topology
Mounting Type
Product Type
Temperature - Operating (Max)
Temperature - Operating (Min)
Control Scheme
Internal Switch
Auto-Restart & Overvoltage Response
Output Profile
Secondary Response
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 9.2 W
Output Power (Max) - Enclosed, Univ 6.1 W
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Output Power (Max) - Open Frame, 230V 9.2 W
Output Power (Max) - Open Frame, Univ 6.1 W
IC Package SO-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 9.2 W
Output Power (Max) - Enclosed, Univ 6.1 W
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Output Power (Max) - Open Frame, 230V 9.2 W
Output Power (Max) - Open Frame, Univ 6.1 W
IC Package SMD-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 9.2 W
Output Power (Max) - Enclosed, Univ 6.1 W
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Output Power (Max) - Open Frame, 230V 9.2 W
Output Power (Max) - Open Frame, Univ 6.1 W
IC Package PDIP-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 6.0 W
Output Power (Max) - Enclosed, Univ 4.0 W
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Output Power (Max) - Open Frame, 230V 6.0 W
Output Power (Max) - Open Frame, Univ 4.0 W
IC Package PDIP-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 6.0 W
Output Power (Max) - Enclosed, Univ 4.0 W
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Output Power (Max) - Open Frame, 230V 6.0 W
Output Power (Max) - Open Frame, Univ 4.0 W
IC Package SMD-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 11.0 W
Output Power (Max) - Enclosed, Univ 8.0 W
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Output Power (Max) - Open Frame, 230V 11.0 W
Output Power (Max) - Open Frame, Univ 8.0 W
IC Package PDIP-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart
Data Sheet View PDF
Output Power (Max) - Enclosed, 230V 11.0 W
Output Power (Max) - Enclosed, Univ 8.0 W
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Output Power (Max) - Open Frame, 230V 11.0 W
Output Power (Max) - Open Frame, Univ 8.0 W
IC Package SMD-8C
Control Features Selectable Current Limit, Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Input Overvoltage, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload
Over-Temperature Response Hysteretic
Topology Flyback
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Secondary-side
Internal Switch Yes
Auto-Restart & Overvoltage Response Latch Off
Output Profile CV
Secondary Response Auto-restart

LinkSwitch-XT2 incorporates a 725 V / 900 V power MOSFET, oscillator, simple ON/OFF control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit and thermal shutdown circuitry onto a monolithic IC. The start-up and operating power are derived directly from the DRAIN pin, eliminating the need for a bias winding and associated circuitry.

Product Highlights

Easy to Design

  • Lowest component count switcher solution
  • Selectable device current limit
  • Fully integrated auto-restart for short-circuit and open-loop protection
  • Optional self-biased supply
  • Frequency jittering greatly reduces EMI
  • Meets HV creepage requirements between DRAIN and all other pins both on the PCB and at the package
  • Pin-out simplifies PCB heat sinking

Features Superior to Linear/RCC

  • Output overvoltage protection (OVP)
  • Input overvoltage line protection (OVL)
  • Hysteretic over-temperature protection (OTP)
  • Extended creepage between DRAIN pin and all other pins improves field reliability
  • 725 V MOSFET rating for excellent surge withstand
  • 900 V MOSFET rating series for industrial design or extra safety margin
  • Extremely low component count enhances reliability
    • Allows single-sided PCB and full SMD manufacturability

EcoSmart– Extremely Energy Efficient

  • Easily meets all global energy efficiency regulations
  • No-load consumption <100 mW without bias winding at 265 VAC input (<10 mW with bias winding)
  • ON/OFF control provides constant efficiency to very light loads –ideal for mandatory CEC regulations