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    MacBook power supply principles
    MacBook power supply principles
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    This chapter mainly introduce:

    Power supply distribution of Apple mainboard

    Power supply modes of Apple mainboard

    MOS tube switching power supply mode

    Power chip switching power supply mode

    Voltage regulator output LDO power supply mode

    Chips output LDO power supply mode

    PWM power supply composition

    PWM circuit working principle

    PWM circuit waveforms

    Self-lift voltage boost introduction

    PWM output voltage adjustment

    PWM output voltage and current detection

    Common pin definitions of PWM circuit

    Single PWM controller workflow

    Dual PWM controller workflow

    PWM circuit working mode

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