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LDO

ME6231

    The ME6231 series are high accuracy, CMOS LDO Voltage Regulators, offering low power, high ripple rejection ratio and low dropout.
    The ME6231 series is ideal for today’s cutting edge mobile phone. Internally the ME6231 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensators.
    The ME6231’s current limiters‘ foldback circuit also operates as a short protect for the output current limiter and the output pin.
    The ME6231 series is also fully compatible with low ESR ceramic capacitors, reducing cost and improving output stability. This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response performance and high PSRR achieved across a broad range of frequencies.
    The CE function allows the output of regulator to be turned off, resulting in greatly reduced power consumption.
    ME6231 Description:
        The ME6231 series are high accuracy, CMOS LDO Voltage Regulators, offering low power, high ripple rejection ratio and low dropout. the ME6231 series is ideal for today’s cutting edge mobile phone. Internally the ME6231 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensators. The ME6231’s current limiters‘ foldback circuit also operates as a short protect for the output current limiter and the output pin. The ME6231 series is also fully compatible with low ESR ceramic capacitors, reducing cost and improving output stability. This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response performance and high PSRR achieved across a broad range of frequencies. The CE function allows the output of regulator to be turned off, resulting in greatly reduced power consumption.

    ME6231 Feature:
    Maximum Output Current: 500mA（VIN＝4.3V,VOUT＝3.3V）
    Dropout Voltage: 125mV@IOUT =100mA（VOUT＝3.3V）
    Operating Voltage Range: 3V~18V
    Output Voltage Range: 1.6V~5.0V
    Highly Accuracy: ±1％
    Low Power Consumption: 1.8uA（TYP.）
    Standby Current: 0 uA（TYP.）
    High Ripple Rejection: 65dB@1KHz（ME6231C33）
    Line Regulation: 0.035％/V（TYP.）
    Built-in temperature protection and current limiting protection

    ME6231 Applications:
    Mobile phones
    Cordless phones, radio communication equipment
    Portable games
    Cameras, Video cameras
    Reference voltage sources
    Battery powered equipment

    ME6231 Package:
    3-pin SOT23-3、SOT89-3
    5-pin SOT23-5

    ME6231 Typical Application Circuit:

    Note: Ceramic capacitor with X7R and X5R offer improved voltage and temperature coefficients.10uF Ceramic 
    capacitor is recommended for excellent load transient response and linne transient response.

    ME6231 Selection Guide:

    product serise
    Product Function
    ME6231A33M3G
    VOUT=3.3V；Package：SOT23-3
    ME6231A33PG
    VOUT=3.3V；Package：SOT89-3
    ME6231C18M5G

    Enable can be set；VOUT=1.8V；Package：SOT23-5
    ME6231C33M5G

    Enable can be set；VOUT=3.3V；Package：SOT23-5

    ME6231 Pin Configuration:


    ME6231 Block Diagram:
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