Datasheet Summary
WS3440 Product Description
Constant Current Controller For Non-isolated Buck LED Driver
Features
- Inductor Current Critical Mode, No Need to pensate the Inductance Variation
- Source Driver Structure, Not Need the Auxiliary Winding for VCC
- ±3% LED Current Accuracy
- Up to 93% System Efficiency
- LED Short Circuit Protection
- Current Sense Resistor Short Circuit Protection
- Over Temperature Protection
- Programmable LED open protection
Applications
- LED Bulb
- LED Candle light
- LED Spot light
- Decorative LED lighting
General Description
The WS3440 is a high precision constant current controller， designed for non-isolated buck LED driver. suitable for AC input voltage range...