Description
The A8435 high efficiency charge pump IC offers a simple, low-cost white LED driver solution for portable electronics display applications.
Features
- Proprietary adaptive control scheme (1×, 1.5×).
- Maximum efficiency, over 92%.
- 0.5% LED current matching.
- 1 MHz operating frequency.
- Flexible dimming control:
▫ Serial 11-level dimming, down to 5% ▫ PWM ▫ 2-bit parallel.
- Drives up to 4 white LEDs.
- 30 mA per LED.
- 120 mA total continuous output.
- Low input ripple and EMI.
- Soft-start limits inrush current.
- Short circuit protection.
- Overvoltage protection.
- Thermal shutdown protection.