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MP3371 - Boost WLED Driver

General Description

The MP3371 is a synchronous boost converter with eight current channels designed to drive WLED arrays for LCD panels in tablets and notebook backlighting applications.

The MP3371 uses peak current control mode and pulse-width modulation (PWM) control to maintain boost converter regulation.

Key Features

  • high efficiency due to lowheadroom voltage for LED regulation and a small on resistance of the switching MOSFET. The synchronous rectifier saves PCB size and total BOM cost. The MP3371 is available in a QFN-24 (4mmx4mm) package.

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP3370 Boost LED Driver
MP3372 8-Channel 50V Sync-Boost WLED Driver
MP3378E 4-Channel WLED Controller
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MP3306 700kHz Synchronous Step-Up White LED Driver
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MP3309 White LED Driver
MP3309A White LED Driver

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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MP3371 8-Channel, Synchronous, 50V Boost WLED Driver with I2C Interface DESCRIPTION The MP3371 is a synchronous boost converter with eight current channels designed to drive WLED arrays for LCD panels in tablets and notebook backlighting applications. The MP3371 uses peak current control mode and pulse-width modulation (PWM) control to maintain boost converter regulation. The MP3371 employs a standard I2C digital interface to set the operation mode, switching frequency, full-scale current for each channel, sync or nonsync mode, dimming mode and duty, and various protection thresholds. The MP3371 features high efficiency due to lowheadroom voltage for LED regulation and a small on resistance of the switching MOSFET. The synchronous rectifier saves PCB size and total BOM cost.