Description
The CAT3643 is a high efficiency quad-mode fractional charge pump that can drive up to three LEDs programmable by a one wire digital interface.
Features
- High efficiency 1.33x charge pump.
- Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x.
- Drives up to 3 LEDs at 32mA each.
- 1-wire EZDim™ LED current programming.
- Power efficiency up to 92%.
- Low noise input ripple in all modes.
- “Zero” current shutdown mode.
- Soft start and current limiting.
- Short circuit protection.
- Thermal shutdown protection.
- Tiny 12-lead XQFN, 12-lead TDFN and 16-lead TQFN packages
DESCRI.
CAT3643 Datasheet
