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SGM3146

8-Channel Charge Pump White LED Driver

SGM3146 Features

* Input Voltage Range: 2.7V to 5.5V

* Drives up to 8 LEDs at 27mA Each

* One Single Wire Interface

* 16-Step Brightness Control

* High Efficiency by Fractional Conversion with 1× and 1.5× Modes

* Switching Frequency: 0.93MHz

* Regulated Output Current with ±4.8% Matching

SGM3146 General Description

The SGM3146 is a high performance white LED driver. It integrates current sources and automatic mode selection charge pump. The part maintains the high efficiency by utilizing a 1×/1.5× fractional charge pump and low dropout current sources. The small equivalent 1× mode open loop resistance and ultr.

SGM3146 Datasheet (281.23 KB)

Preview of SGM3146 PDF

Datasheet Details

Part number:

SGM3146

Manufacturer:

Shengbang Microelectronics

File Size:

281.23 KB

Description:

8-channel charge pump white led driver.

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TAGS

SGM3146 8-Channel Charge Pump White LED Driver Shengbang Microelectronics

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