LM3414
Description
The LM3414 and LM3414HV are 1-A 60-W(1) common anode-capable constant current buck LED drivers. They are suitable for driving single string of 3W HBLED with up to 96% efficiency.
Key Features
- 1 Supports LED Power up to 60 W (1): 18x 3-W HBLEDs
- Requires No External Current Sensing Resistor
- ±3% LED Current Accuracy
- Up to 96% Efficiency
- High Contrast Ratio (Minimum Dimming Current Pulse Width <10 µS)
- Integrated Low-Side N-Channel MOSFET
- Adjustable Constant LED Current From 350 mA to 1000 mA
- Support Analog Dimming and Thermal Fold-Back
- Wide Input Voltage Range: - 4.5 V to 42 V (LM3414) - 4.5 V to 65 V (LM3414HV)
- Constant Switching Frequency Adjustable from 250 kHz to 1000 kHz
