WS3440 Description
Constant Current Controller For Non-isolated Buck LED Driver.
WS3440 Key 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