Stabilized power supply undervoltage protection circuit
Source: InternetPublisher:smallembedded Keywords: Protection circuit regulated power supply voltage protection BSP Updated: 2020/07/31
This undervoltage protection can
cut off the load circuit
when the grid voltage is lower than a certain value .
When there is under-voltage, the voltage regulator tube VS is cut off, and the transistors
VTz and VTi are cut off, thus cutting off the load
circuit.
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