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MP3367 3.5-36V, 6CH Max.150mA/Ch Boost WLED Driver QFN-24
MP3367 3.5-36V, 6CH Max.150mA/Ch Boost WLED Driver QFN-24

MP3367 3.5-36V, 6CH Max.150mA/Ch Boost WLED Driver QFN-24

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pMPS MP3367 — Max.150mA/Ch Boost WLED Driver, 3.5-36V input, 150 mA output, 6 channels, QFN-24./p
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    MP3367 3.5-36V, 6CH Max.150mA/Ch Boost WLED Driver QFN-24

    The MPS MP3367 is a Max.150mA/Ch Boost WLED Driver. It operates from a 3.5 V to 36 V input, is rated for 150 mA and drives 6 LED strings. It is supplied in a QFN-24 package.

    The MP3367 is a step-up converter with six channel current sources, designed to drive white LED arrays as backlighting in small-to-mid-size LCD panels.

    Key Specifications

    Part NumberMP3367
    FunctionMax.150mA/Ch Boost WLED Driver
    Input Voltage3.5 V to 36 V
    Current Rating150 mA
    Channels6
    InterfaceI²C
    PackageQFN-24
    Ordering CodesMP3367

    Features

    • 3.5V to 36V Input Voltage Range
    • Six Channels with Max 150mA per Channel
    • Internal 100mΩ, 50V MOSFET
    • Programmable Up to 2.2MHz fSW
    • External Sync SW Function
    • Multi-Dimming Operation Mode through PWM Input, Including: o Direct PWM Dimming o Analog Dimming o Mix Dimming with 25%/12.5% Transfer Point
    • 15000:1 Dim Ratio in PWM Dim at fPWM ≤ 200Hz
    • 200:1 Dim Ratio at Analog Dim through PWM Dim Signal Input
    • Excellent EMI Performance, Frequency Spread Spectrum
    • I2C Interface

    Typical Application Circuit

    MP3367 typical application circuit
    MP3367 typical application circuit, as published in the MPS datasheet.

    Design Notes

    • Channel-to-channel current matching sets backlight uniformity; check the matching spec at the current you will actually run.
    • In boost topologies the OVP threshold must clear the worst-case forward voltage of the longest string, including temperature and binning spread.
    • Keep PWM dimming above 200 Hz to stay clear of visible flicker, and away from the audio band if the product has a speaker.
    • Size the inductor and output capacitor for the string current ripple, not the total LED current.

    Common Questions

    What input voltage does the MP3367 support?
    3.5 V to 36 V. The rated output is 150 mA.
    Which package and ordering codes apply to the MP3367?
    QFN-24; order codes include MP3367.
    What are the defining features of the MP3367?
    3.5V to 36V Input Voltage Range Six Channels with Max 150mA per Channel

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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