A8435
Features and Benefits
- 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 m A per LED
- 120 m A total continuous output
- Low input ripple and EMI
- Soft-start limits inrush current
- Short circuit protection
- Overvoltage protection
- Thermal shutdown protection
- Space-saving MLP-16 package: 3 × 3 mm footprint
- Very thin 0.75 mm nominal height package
Package: 16 pin QFN/MLP (suffix ES)
Approximate Scale
Description
The A8435 high efficiency charge pump IC offers a simple, low-cost white LED driver solution for portable electronics display applications. Using a proprietary control scheme (1×, 1.5×), the A8435 can output well-matched currents for up to 4 LEDs, while maintaining the highest efficiency over most of the Li-ion battery lifetime.
The A8435 accepts an input range of 2.7...
