Invention Application
US20120044602A1 REGULATING SYSTEM HAVING OVERVOLTAGE PROTECTION CIRCUIT AND OVERCURRENT PROTECTION CIRCUIT 审中-公开
具有过电流保护电路和过电流保护电路的调节系统

REGULATING SYSTEM HAVING OVERVOLTAGE PROTECTION CIRCUIT AND OVERCURRENT PROTECTION CIRCUIT
Abstract:
A regulating system includes an input port, an output port; and an overvoltage protection circuit. The an overvoltage protection circuit includes a fuse, a semiconductor controlled rectifier (SCR), a first resistor, and a voltage regulator. The fuse includes a first end and a second end. The SCR includes a gate, an anode, and a cathode. The regulator includes a cathode and an anode. The first end of the fuse is connected to the input port, the second end of the fuse is connected to the anode of the SCR, the cathode of the SCR is connected to the ground, the gate of the SCR is connected to the anode of the regulator through the first resistor, the cathode of the regulator is connected to the output port.
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