IS31BL3228B, IS31BL3228A Datasheet - Lumissil

IS31BL3228B - WHITE LED DRIVER

The IS31BL3228A (IS31BL3228B) is a low noise, constant frequency charge pump DC/DC converter for white LED 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 indi.

IS31BL3228B 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

IS31BL3228A-Lumissil.pdf