Switching power supply with clamping circuit

Details Switching power supply with clamping circuit Switching power supply with clamping circuit

2007-01-30

2007-01-30

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S052000, C363S056010, C363S067000, C307S035000

Reexamination Certificate

active

11163434

ABSTRACT:
A switching power supply with clamping circuit includes a clamping circuit between a slave output terminal and a master output terminal thereof, to prevent voltage drift at the slave output terminal. The clamping circuit includes a switching circuit connected between the slave output terminal and the master output terminal, and a voltage stabilizing circuit connected between the slave output terminal and the switching circuit. When the output voltage at the slave output terminal steps up to a certain level, the voltage stabilizing circuit functions and enables the switching circuit, and therefore prevents the output voltage from climbing higher than the load requires.

REFERENCES:
patent: 4024451 (1977-05-01), Nishino et al.
patent: 4389702 (1983-06-01), Clemente et al.
patent: 4631654 (1986-12-01), Houee et al.
patent: 6922345 (2005-07-01), Nishida et al.

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