SGM3122 Datasheet - Shengbang Microelectronics

SGM3122, Charge Pump White LED Driver

SGM3122 PWM Dimming, Charge Pump White LED Driver with Low Dropout Current Source GENERAL .
The SGM3122 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump.

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Datasheet Details

Part number:

SGM3122

Manufacturer:

Shengbang Microelectronics

File Size:

619.52 KB

Description:

Charge Pump White LED Driver

Features

* Input Voltage Range: 2.7V to 5.5V
* Support up to 4 LEDs at 30mA Each
* LED Brightness Control through PWM Signal
* 1× and 1.5× Charge Pump for High Conversion Efficiency
* Switching Frequency: 1MHz
* 0.5% Regulated Output Current Matching
* Built-in Soft-Start for Redu

Applications

* The supply voltage operates from 2.7V to 5.5V and is well suited for various applications powered by a 1-cell Li-Ion battery, as well as 3-cell or 4-cell NiCd, NiMH or Alkaline batteries. The ISET reference current is set through an external resistor on the ISET pin. The SGM3122 supports up to 4 LE

SGM3122 Distributors

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SGM3122 Charge Pump White LED Driver Shengbang Microelectronics

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