IS31BL3228B, IS31BL3228A Datasheet - Lumissil

IS31BL3228B, IS31BL3228A, WHITE LED DRIVER

IS31BL3228A/B WHITE LED DRIVER GENERAL .
The IS31BL3228A (IS31BL3228B) is a low noise, constant frequency charge pump DC/DC converter for white LED applications.

Features

* VCC range: 2.8V to 5.5V
* Fully programmable current with single wire
* 14 current levels
* Drives up to four (IS31BL3228A)/six (IS31BL3228B) channels of LEDs
* No inductors, low noise operation
* Built-in thermal protection
* Automatic soft

Applications

* The IS31BL3228A (IS31BL3228B) is capable of driving up to four (six) channels of LEDs at preset 20mA per channel from a 2.8V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher current LEDs. Only one 1μF small capacitor (at C+ thru C-) and two small 2.2μF

IS31BL3228A-Lumissil.pdf