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SGM3124 - White LED Charge Pump Current Source

Shengbang Microelectronics

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Datasheet Details

Part number	SGM3124
Manufacturer	Shengbang Microelectronics
File Size	382.79 KB
Description	White LED Charge Pump Current Source
Datasheet	SGM3124-ShengbangMicroelectronics.pdf

SGM3124 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 |