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Power Integrations LYTSwitch™6 LED drivers

Power Integrations LYTSwitch™6 LED drivers use PowiGaN technology for industry-leading power density and efficiency

High-power-density members of its LYTSwitch™ 6 family for smart-lighting applications, greatly reducing ballast size, weight and cooling airflow requirements. The new ICs with PowiGaN™ technology enable designs that deliver up to 110 W with 94% efficiency using a simple, flexible flyback topology. The 750 V PowiGaN primary switches provide very low RDS(ON) and reduced switching losses. This improvement, combined with existing LYTSwitch-6 features, increases power conversion efficiency by up to 3% compared to conventional solutions - reducing wasted heat by more than one-third.

Key features

Integrated FluxLink™, HIPOT-isolated, feedback link
Accurate CV/CC, independent of external components
Up to 94% efficiency across full load range
Up to 100 W without heatsinks (LYT6079C and LYT6070C)

Additional features

Incorporates a multi-mode Quasi-Resonant (QR) / CCM /DCM flyback controller, high-voltage switch, secondary-side control and synchronous rectification driver
Exceptional CV/CC accuracy, independent of transformer design or external components
Adjustable accurate output current sense using an external sense resistor
PowiGaN™ technology - up to 100 W without heatsinks (LYT6079C and LYT6070C)
EcoSmart™ - Energy Efficient Less than 30 mW no-load including line sense (without PF front end)
Fast transient response with less output capacitance
Flicker-free operation
Supports analog and PWM dimming
Low heat dissipation