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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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MP3370 Boost LED Driver
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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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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.