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  • Schematic for the MC34063 Inverting Leaded Demonstration Board

    h 9/9/2003

    IC601MC34063AP1

    R601, 1.0, 1/4W C603680pF

    L601100uH

    C604220uF16V

    R6058.45K, 1%

    R604953, 1%

    D6011N5819

    2

    3Timing Cap.

    45 Feedback Ground

    C601100uF25V

    6 Vcc7 Ipk Sense8 1Switch Collector

    Switch Emitter

    Drive Collector

    C6020.1uF

    MC34063 Evaluation Board Design ExampleVoltage Inverting Regulator 5V to -12V@50mA (Leaded Version)

    P601Vin

    (+5V)

    Gnd R602, 1.5, 1/4W

    C605Prov.

    P602Vout

    (-12V)

    Gnd

    R603, 1.5, 1/4W

    C6060.1uF

    L602Prov.

    FB601(Prov. for FB)

    R607(Prov.)

    Q601(Prov.)

    R606(Prov.)

    R608(Prov.)

    Low Current Applications

    High Current Applications

    R607Q601

    Out

    MPS651TO-92

    Short

    Out

    R606

    Out

    Short

    R608

    Out

    1K