CAT3644
Description
The CAT3644 is a high efficiency quad-mode fractional charge pump that can drive up to four LEDs programmable by a one wire digital interface.
Key Features
- High efficiency 1.33x charge pump
- Drives up to 4 LEDs at 25mA each
- 1-wire EZDim™ LED current programming
- Power efficiency up to 92%
- Low noise input ripple in all modes
- Soft start and current limiting
- Short circuit protection
- Thermal shutdown protection
