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SGM3785

Part Number	SGM3785
Manufacturer	SG Micro
Description	1.5A Flash LED Driver
Published	Mar 12, 2019
Detailed Description	SGM3785 2MHz, 1.5A Flash LED Driver in TDFN-3×2-14L Package GENERAL DESCRIPTION The SGM3785 is the ideal power solution...
Datasheet	SGM3785 PDF File

Overview

SGM3785 2MHz, 1.
5A Flash LED Driver in TDFN-3×2-14L Package GENERAL DESCRIPTION The SGM3785 is the ideal power solution for highpower flash LEDs used with cell phone camera modules or digital still cameras.
It is a highly integrated step-up DC/DC converter with very high switching frequency, fixed at 2MHz, providing a very small total solution for portable photo flash.
The SGM3785 has separate Flash mode and Movie/Torch mode enable pins for maximum flexibility.
Flash mode is usually used with 660ms timer control to generate a high intensity flash.
The Flash mode and Movie/Torch mode maxim LED current is programmed by external resistors respectively, making the flash LED solution simple to control.
The real LED current at Flash mode and Movie/Torch mode can be programmed by external PWM signal at ENM pin.
The two LED output sinks can be shorted together externally for higher power single flash LEDs, up to 1.
5A continuous LED current.
Thermal regulation is integrated in Flash mode to li...

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