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SGM3124 - White LED Charge Pump Current Source

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Shengbang Microelectronics

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SGM3124 White LED Charge Pump Current Source by Shengbang Microelectronics - Datasheet Preview — Datasheet preview – SGM3124

Datasheet Details

Part number	SGM3124
Manufacturer	Shengbang Microelectronics
File Size	382.79 KB
Description	White LED Charge Pump Current Source
Datasheet	SGM3124 Datasheet
Additional preview pages of the SGM3124 datasheet.

Product details

Description

The SGM3124 is a charge pump with PWM brightness control for white LED supplies in LCD display backlight applications.

Features

Input Voltage Range: 2.7V to 5.5V.
Drives up to 3 LEDs at 30mA Each.
LED Brightness Control Through PWM Control Signal.
High Efficiency by Fractional Conversion with 1× and 1.5× Modes.
Switching Frequency: 1MHz.
Regulated Output Current with 0.5% Matching.
Internal Soft-Start Limits Inrush Current.
Low Input Ripple and Low EMI.
Over-Current and Over-Temperature Protected.
Under-Voltage Lockout With Hystere.

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Published: May 17, 2016 |