文件名称:电源电路识图与故障分析轻松入门
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一、 开关电源的电路组成[/b]：： 开关电源的主要电路是由输入电磁干扰滤波器（EMI）、整流滤波电路、功率变换电路、PWM控制器电路、输出整流滤波电路组成。辅助电路有输入过欠压保护电路、输出过欠压保护电路、输出过流保护电路、输出短路保护电路等。 开关电源的电路组成方框图如下：(series are high performance fixed
frequency current mode controllers They are specifically designed for
integrated circuits feature a trimmed oscillator for precise duty cycle
control a temperature compensated referencehigh gain error
amplifier current sensing comparator and a high current totem pole
output ideally suited for driving a power MOSFET
Also included are protective features consisting of input and)
frequency current mode controllers They are specifically designed for
integrated circuits feature a trimmed oscillator for precise duty cycle
control a temperature compensated referencehigh gain error
amplifier current sensing comparator and a high current totem pole
output ideally suited for driving a power MOSFET
Also included are protective features consisting of input and)
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| 文件名 | 大小 | 更新时间 |
|---|---|---|
| 电源电路识图与故障分析轻松入门.pdf | 60300461 | 2011-01-01 |