GRX Technology Co, Ltd
MP3304C 5V, 1.3A, 2.2MHz Step-up White LED Driver QFN8
MP3304C 5V, 1.3A, 2.2MHz Step-up White LED Driver QFN8

MP3304C 5V, 1.3A, 2.2MHz Step-up White LED Driver QFN8

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pMPS MP3304C — Step-up White LED Driver, 5V input, 1.3 A output, QFN8./p
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    MP3304C 5V, 1.3A, 2.2MHz Step-up White LED Driver QFN8

    The MPS MP3304C is a Step-up White LED Driver. It accepts up to 5 V at the input, is rated for 1.3 A and switches at 2.2 MHz. It is supplied in a QFN8 package.

    The MP3304 is a monolithic step-up converter designed for driving arrays of WLEDs from 5V input or a single cell Lithium Ion battery.

    Key Specifications

    Part NumberMP3304C
    FunctionStep-up White LED Driver
    Input Voltageup to 5 V
    Current Rating1.3 A
    Switching Frequency2.2 MHz
    InterfacePWM
    Peak Efficiency88%
    PackageQFN8
    Ordering CodesMP3304C

    Features

    • Internal Power MOSFET
    • Drives up to 10 Series White LEDs
    • Up to 88% Efficiency
    • PWM Dimming Frequency from 250Hz to 50kHz
    • 2.2MHz Fixed Switching Frequency
    • Open Load Shutdown
    • Low 200mV Feedback Voltage
    • UVLO, Thermal Shutdown
    • Internal 1.3A Current Limit
    • Available in 2x3mm QFN8 Package

    Typical Application Circuit

    MP3304C typical application circuit
    MP3304C typical application circuit, as published in the MPS datasheet.

    Applications

    • LCD Panels
    • Digital Picture Frames
    • Handheld Computers and PDAs
    • Digital Still Cameras
    • Small LCD Displays "Monolithic Power Systems", "MPS", and "The Future of Analog IC Technology" are Registered Trademarks of Monolithic Power Systems, Inc.

    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 MP3304C support?
    Up to 5 V. The rated output is 1.3 A.
    Which package and ordering codes apply to the MP3304C?
    QFN8; order codes include MP3304C.
    What are the defining features of the MP3304C?
    Internal Power MOSFET Drives up to 10 Series White LEDs

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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