 90~132VAC输入，9W/70V/130mA输出降压式转换器电路 如图为90~132VAC输入，9W/70V/130mA输出降压式转换器电路图。电路中D1~D4均选用lN4007型硅整流二极管；D5为BYV26B二极管；C1~C5为电容；R1~R5为电阻。 : |
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