LM3405A
Description
The LM3405A is a 1-A constant current buck LED driver designed to provide a simple, high efficiency solution for driving high power LEDs.
Key Features
- 1 VIN Operating Range of 3 V to 22 V
- Drives up to 5 High-Brightness LEDs in Series at 1A
- Thin SOT-6 and MSOP-PowerPAD™-8 Packages
- 1.6-MHz Switching Frequency
- EN/DIM Input for Enabling and PWM Dimming of LEDs
- 300-mΩ NMOS Switch
- 40-nA Shutdown Current at VIN = 5 V
- Cycle-by-Cycle Current Limit
- Input Voltage UVLO
- Overcurrent Protection
Applications
- Constant Current Sources
