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SGM3785S - 1.5A Flash LED Driver

General Description

The SGM3785S is a highly integrated Boost DC/DC converter with 2MHz fixed frequency.

High switching frequency makes it easy to use small components and optimized for portable photoflash.

Key Features

  • such as over-voltage protection, LED open or short protection and thermal shutdown. The SGM3785S is available in a Green TDFN-3×2-14L package. It operates over an ambient temperature range of -40℃ to +85℃.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SGM3785S 2MHz, 1.5A Flash LED Driver GENERAL DESCRIPTION The SGM3785S is a highly integrated Boost DC/DC converter with 2MHz fixed frequency. High switching frequency makes it easy to use small components and optimized for portable photoflash. The SGM3785S is ideal for high power flash LEDs which are suitable for mobile phone camera modules and digital still cameras. The SGM3785S offers excellent flexibility to enter flash mode and movie/torch mode through the ENF and ENM pins respectively. Flash mode is usually used with 670ms timer control to generate a high intensity flash. The maximal flash current and movie/torch current are respectively programmed through external resistors (RSETF and RSETM), which can provide simple control for the flash LED solution.