talk about the common booster circuit of laptop motherboard

jack 2009-11-03 378 views

Hi,I am jack,Today,i want to talk about the booster circuit with one and allthe booster circuit of laptop motherboard use in Drive voltage generategenerate,For example: 5VPCU transform 5RUN.Below are several commonly used circuit ,we make a discussion and communication about booster.

1. PWM waveforms booster circuit,

motherboard:Quanta ZR1A
Figure 1, the booster circuit be generate by the pulse wave of 3.5 power chip.

Photobucket

(unfinished) I am sorry,i have to deal with some work,I will finish this  article later.

original article,If reprint please Show source: Sourceslaptop parts blog

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