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IS31BL3231

ISSI
Part Number IS31BL3231
Manufacturer ISSI
Description FLASH LED DRIVER
Published Feb 23, 2013
Detailed Description IS31BL3231 FLASH LED DRIVER July 2015 GENERAL DESCRIPTION The IS31BL3231 is a current-regulated charge pump and ideal ...
Datasheet PDF File IS31BL3231 PDF File

IS31BL3231
IS31BL3231

Overview
IS31BL3231 FLASH LED DRIVER July 2015 GENERAL DESCRIPTION The IS31BL3231 is a current-regulated charge pump and ideal for powering high brightness LEDs for camera flash and torch applications.
The charge pump can be set to regulate two current levels for FLASH and TORCH modes.
The IS31BL3231 automatically switches between linear and boost modes ensuring that LED current does not depend on the LED forward voltage.
IS31BL3231 provides low cost, space saving solution for driving LED.
It also integrates thermal and short circuit protection function.
IS31BL3231 is available in DFN-10 (3mm × 3mm).
It operates from 2.
7V to 5.
5V over the temperature range of -40°C to +85°C.
FEATURES  Operates from 2.
7V to 5.
5V  Up to 90% efficiency in Torch Mode  Output current up to 750mA  Adjustable output current in Flash Mode  Minimum external components, no external inductor required  Automatic boost mode  Less than 1µA shutdown current  Low ripple and EMI  Over voltage protection on output  ...


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