IS31BL3229 Datasheet - ISSI

IS31BL3229, 8-LED BACKLIGHT DRIVER

IS31BL3229 8-LED BACKLIGHT DRIVER October 2012 GENERAL .
The IS31BL3229 with a smart charge-pump circuit is a parallel white-LED driver with eight matched 20mA current outputs.

Features

* Supply voltage: 2.7V ~ 5.5V 1X, 1.5X operating mode fade in and fade out mode Output current can be 25mA 32 current level and PWM intensity control Low input current ripple, low EMI 90% high efficiency No inductors, low no

Applications

* Cell phone, smart phone, PDA Mp3, Mp4, PMP White LED backlighting TYPICAL APPLICATION CIRCUIT http://www. DataSheet4U. net/ Figure 1 Typical Application Circuit Note 1: PWM pin should be pulled high if modulated by EN pin only. EN pin should be pulled high if modulated with PWM p

IS31BL3229_ISSI.pdf