Datasheet Details
- Part number
- A8435
- Manufacturer
- Allegro MicroSystems
- File Size
- 356.19 KB
- Datasheet
- A8435_AllegroMicroSystems.pdf
- Description
- High Efficiency Charge Pump White LED Driver
A8435 Description
A8435 High Efficiency Charge Pump White LED Driver .
The A8435 high efficiency charge pump IC offers a simple, low-cost white LED driver solution for portable electronics display applications.
A8435 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 outpu
A8435 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 to 5.5 V and delivers up to 30 mA for each of the four regulated cur
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