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LYTSwitch-6

Flyback CV/CC LED Driver IC with Integrated High-Voltage Switch and FluxLink Feedback

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Product Parts Table
Product
Data Sheet
Power - Output (Max, 277V)
Power - Output (Max, Univ)
Power - Output (Max, VDC)
PowiGaN?
Dimming Interface
Breakdown Voltage
Topology
Control Scheme
Control Features
Voltage - Input (Min)
Voltage - Input (Max)
Voltage Input (Min, DC)
Voltage Input (Max, DC)
Mounting Type
Product Type
Temperature - Operating (Max)
Temperature - Operating (Min)
Protection Features
Internal Switch
Auto-Restart & Overvoltage Response
Over-Temperature Response
IC Package
Switching Frequency (max)
Current Limit (Standard)
Current Limit (Increased)
Undervoltage Brown-In Threshold
Undervoltage Brown-Out Threshold
Power Factor
Output Profile
MSL Rating
Data Sheet View PDF
Power - Output (Max, 277V) 12 W
Power - Output (Max, Univ) 15 W
Power - Output (Max, VDC) 25 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 25 W
Power - Output (Max, Univ) 30 W
Power - Output (Max, VDC) 40 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 45 W
Power - Output (Max, Univ) 50 W
Power - Output (Max, VDC) 60 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 55 W
Power - Output (Max, Univ) 65 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 85 W
Power - Output (Max, Univ) 95 W
Power - Output (Max, VDC) 110 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.1A
Current Limit (Increased) 3.472A
Undervoltage Brown-In Threshold 80.0µA
Undervoltage Brown-Out Threshold 70.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 85 W
Power - Output (Max, Univ) 95 W
Power - Output (Max, VDC) 110 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.8A
Current Limit (Increased) 4.260A
Undervoltage Brown-In Threshold 80.0µA
Undervoltage Brown-Out Threshold 70.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 85 W
Power - Output (Max, Univ) 95 W
Power - Output (Max, VDC) 110 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.1A
Current Limit (Increased) 3.472A
Undervoltage Brown-In Threshold 24.4µA
Undervoltage Brown-Out Threshold 10.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 85 W
Power - Output (Max, Univ) 95 W
Power - Output (Max, VDC) 110 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.8A
Current Limit (Increased) 4.260A
Undervoltage Brown-In Threshold 24.4µA
Undervoltage Brown-Out Threshold 10.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 12 W
Power - Output (Max, Univ) 15 W
Power - Output (Max, VDC) 25 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 25 W
Power - Output (Max, Univ) 30 W
Power - Output (Max, VDC) 40 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 45 W
Power - Output (Max, Univ) 50 W
Power - Output (Max, VDC) 60 W
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 650 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Output Undervoltage, Overtemperature, Open SR FET Detection, Input Overvoltage, Output Overvoltage, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 65 W
Power - Output (Max, Univ) 75 W
Power - Output (Max, VDC) 90 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 75 W
Power - Output (Max, Univ) 85 W
Power - Output (Max, VDC) 100 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.1A
Current Limit (Increased) 3.472A
Undervoltage Brown-In Threshold 80.0µA
Undervoltage Brown-Out Threshold 70.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 75 W
Power - Output (Max, Univ) 85 W
Power - Output (Max, VDC) 100 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.8A
Current Limit (Increased) 4.260A
Undervoltage Brown-In Threshold 80.0µA
Undervoltage Brown-Out Threshold 70.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 75 W
Power - Output (Max, Univ) 85 W
Power - Output (Max, VDC) 100 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.1A
Current Limit (Increased) 3.472A
Undervoltage Brown-In Threshold 24.4µA
Undervoltage Brown-Out Threshold 10.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3
Data Sheet View PDF
Power - Output (Max, 277V) 75 W
Power - Output (Max, Univ) 85 W
Power - Output (Max, VDC) 100 W
PowiGaN? Yes
Dimming Interface 0-10 V, Analog, PWM
Breakdown Voltage 750 V
Topology Flyback
Control Scheme Fluxlink
Control Features Quasi-Resonant/CCM, Synchronous Rectification, Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, Dimmable
Voltage - Input (Min) 85 V
Voltage - Input (Max) 305 V
Voltage Input (Min, DC) 380V
Voltage Input (Max, DC) 450V
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Protection Features Input Overvoltage, Open SR FET Detection, Output Overvoltage, Output Undervoltage, Overtemperature, Thermal Foldback
Internal Switch Yes
Auto-Restart & Overvoltage Response Auto-restart
Over-Temperature Response Hysteretic
IC Package inSOP-24D
Switching Frequency (max) 132 kHz
Current Limit (Standard) 3.8A
Current Limit (Increased) 4.260A
Undervoltage Brown-In Threshold 24.4µA
Undervoltage Brown-Out Threshold 10.0µA
Power Factor High
Output Profile CV/CC
MSL Rating 3

The LYTSwitch-6 series family of ICs dramatically simplifies the development and manufacturing of off-line LED drivers, particularly those in compact enclosures or with high efficiency requirements. The LYTSwitch-6 architecture is revolutionary in that the devices incorporate both primary and secondary controllers, with sense elements and a safety-rated feedback mechanism into a single IC.

Close component proximity and innovative use of the integrated communication link, FluxLink, permit accurate control of a secondaryside synchronous rectification MOSFET with Quasi-Resonant switching of primary integrated high-voltage switch to maintain high efficiency across the entire load range.

Product Highlights

Highly Integrated, Compact Footprint

  • Up to 94% efficiency across full load range
  • Incorporates a multi-mode Quasi-Resonant (QR) / CCM flyback controller, high-voltage switch, secondary-side control and synchronous rectification driver
  • Integrated FluxLink, HIPOT-isolated, feedback link
  • Exceptional CV/CC accuracy, independent of transformer design or external components
  • Adjustable accurate output current sense using external sense resistor

PowiGaN Technology

EcoSmart – Energy Efficient

  • Less than 15 mW no-load including line sense (without PF front end)
  • Designs using LYTSwitch-6 easily meet Energy Star and all global lighting energy efficiency regulations
  • Low heat dissipation

Advanced Protection / Safety Features

  • Input line OV with auto-restart
  • Output fault OVP/UVP with auto-restart
  • Open SR FET gate detection
  • Input voltage monitor with accurate brown-in
  • Thermal foldback ensures that power continues to be delivered (lower level) at elevated temperatures

Full Safety and Regulatory Compliance

  • Reinforced insulation
  • Isolation voltage >4000 VAC
  • 100% production HIPOT compliance testing
  • UL1577 and TUV (EN60950, EN62368) safety approved

Green Package

  • Halogen free and RoHS compliant

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