The ON Semiconductor power factor corrected fly back controller targeting isolated constant current LED driver operates in a quasi-resonant mode to provide high efficiency. Thanks to a novel control method, the device is able to tightly regulate a constant LED current from the primary side. This removes the need for secondary side feedback circuitry, its biasing and for an opt coupler.
High Voltage Start-up CC / CV accurate control Vin up to 320Vrms Tight LED constant current regulation of ±2% typical Digital power factor correction Analogue and digital dimming Cycle by cycle peak current limit Wide operating VCC range Constant voltage / LED open circuit protection Winding short circuit protection Secondary diode short protection Output short circuit protection Thermal shutdown
For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.
Attribute
Value
Output Current
300mA
Input Voltage
320 V
AC or DC Input Voltage
dc
Dimming Operation
1 to 10 V
Application
Integral LED Bulbs, LED Power Driver Supplies, LED Light Engines