Overvoltage crowbar and switching power supply circuit

The utility model relates to an overvoltage crowbar for connect in the power, according to mains voltage output overvoltage protection signal. The one end of first resistance, third resistance is connected with the power respectively, the other end of third resistance is connected with the input of...

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1. Verfasser: DING JIBO
Format: Patent
Sprache:chi ; eng
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