SGM3141B 700mA Buck/Boost Charge Pump LED Driver

Shengbang Microelectronics

Description

SGM3141B 700mA Buck/Boost Charge Pump LED Driver GENERAL .
The SGM3141B is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications.

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Datasheet Specifications

Part number: SGM3141B
Manufacturer: Shengbang Microelectronics
File Size: 395.28 KB
Datasheet: SGM3141B-ShengbangMicroelectronics.pdf
Description: 700mA Buck/Boost Charge Pump LED Driver

Features

* Output Current Up to 700mA
* Up to 90% Efficiency in Torch Mode
* Adjustable Flash Mode Current
* 1× and 2× Automatic Modes for High Efficiency
* Input Voltage Range: 2.7V to 5.5V
* Minimum External Components: No Inductors
* High Frequency Operation: 2.2MHz
* Low 4

Applications

* The charge pump can be set to regulate two current levels for Flash and Torch modes. The SGM3141B automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward voltage. It switches at 2.2MHz, allowing the use of tiny components. The supply volta

SGM3141B Distributors

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SGM3141B 700mA Buck Boost Charge Pump LED Driver Shengbang Microelectronics

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