CAT3636 Overview
Description
The CAT3636 is a high efficiency fractional charge pump that can drive up to six LEDs programmable by a one wire digital interface. The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to 10% over traditional 1.5x charge pumps with no added external capacitors.
Key Features
- High Efficiency 1.33x Charge Pump
- Drives up to 6 LEDs at 32 mA 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
- Tiny 3 mm x 3 mm, 16-lead TQFN Package