Datasheet Power Integrations LYTSwitch-6 — Datenblatt

LYTSwitch-6 Family
Flyback CV/CC LED Driver IC with Integrated
High-Voltage Switch and FluxLink Feedback
Product Highlights
Highly Integrated, Compact Footprint LYTSwitch-6 FB GND BPS V VOUT Primary Switch
and Controller
S EcoSmart™ – Energy Efficient
• Less than 30 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 D SR SR FET FWD • Up to 94% efficiency across full load range
• Incorporates a multi-mode Quasi-Resonant (QR) / CCM / DCM 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 – up to 100 W without heat sinks (LYT6079C
and LYT6070C) IS BPP Optional
Current
Sense Secondary
Control IC
PI-8375-112718 Figure 1. Typical Application/Performance. Advanced Protection / Safety Features …

LYTSwitch-6 Family
Flyback CV/CC LED Driver IC with Integrated
High-Voltage Switch and FluxLink Feedback
Product Highlights
Highly Integrated, Compact Footprint LYTSwitch-6 FB GND BPS V VOUT Primary Switch
and Controller
S EcoSmart™ – Energy Efficient
• Less than 30 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 D SR SR FET FWD • Up to 94% efficiency across full load range
• Incorporates a multi-mode Quasi-Resonant (QR) / CCM / DCM 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 – up to 100 W without heatsinks (LYT6079C
and LYT6070C) IS BPP Optional
Current
Sense Secondary
Control IC
PI-8375-112718 Figure 1. Typical Application/Performance. Advanced Protection / Safety Features …

LYTSwitch-6 Family
Flyback CV/CC LED Driver IC with Integrated
650 V / 725 V MOSFET and FluxLink Feedback
Product Highlights
Highly Integrated, Compact Footprint
• Up to 94% efficiency across full load range
• Incorporates a multi-mode Quasi-Resonant (QR) / CCM flyback EcoSmart^TM - Energy Efficient LYTSwitch-6 FB GND BPS V SR D FWD controller, 650 V or 725 V MOSFET, secondary-side control and
synchronous rectification driver
• Integrated FluxLink^TM, HIPOT-isolated, feedback link
• Exceptional CV/CC accuracy, independent of transformer design or
external components
• Adjustable accurate output current sense using external sense resistor SR FET VOUT Primary FET
and Controller
S • Less than 15 mW no-load including line sense (without PF front end)
• Easily meets Energy Star and all global lighting energy efficiency IS BPP Secondary
Control IC regulations PI-8375-072817 • Low heat dissipation Advanced Protection / Safety Features
•
•
•
•
• Optional
Current
Sense Figure 1. Typical Application/Performance. Input line OV with auto-restart …