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IS31BL3229 Datasheet 8-LED BACKLIGHT DRIVER

Manufacturer: ISSI (now Infineon)

Overview: IS31BL3229 8-LED BACKLIGHT DRIVER October 2012 GENERAL.

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General Description

The IS31BL3229 with a smart charge-pump circuit is a parallel white-LED driver with eight matched 20mA current outputs.

It can supply a total output current of 160mA over an input voltage range of 2.7V to 5.5V.

IS31BL3229 typically draws less than 1µA when placed in shutdown, and 0.7mA when operating in the no-load and 1X mode condition.

Key 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 noise operation Over voltage protection on output Built-in thermal protection Automatic soft start Built-in thermal protection QFN-20 (3mm × 3mm ) package.

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