CAT3637
Description
The CAT3637 is a high efficiency fractional charge pump that can drive up to six LEDs programmable by a 1-wire digital interface.
Key Features
- High Efficiency 1.33x Charge Pump
- Drives 6 LEDs Between 30 mA and 0 mA Each
- 1-wire EZDimt Interface with 2 mA Step
- Power Efficiency up to 92%
- Low Noise Input Ripple in All Modes
- Soft Start and Current Limiting
- Short Circuit Protection
- Thermal Shutdown Protection
- Tiny 3 mm x 3 mm, 16-pad TQFN Package
Applications
- Cellular Phones
