Process for operating a switching power supply

Details Process for operating a switching power supply Process for operating a switching power supply

2007-12-18

2007-12-18

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

C323S271000, C323S285000

Reexamination Certificate

active

11433574

ABSTRACT:
There is provided a process for operating a switch mode power supply circuit (Switcher) connectable to a load, the circuit having a first buck switch, a second boost switch and an inductor in a buck boost circuit, the process including applying input voltage to the circuit, selectively activating each of the buck switch and boost switch, and selectively limiting the ON-time of the buck switch, for accelerating discharge of the inductor.

REFERENCES:
patent: 5134355 (1992-07-01), Hastings
patent: 5602463 (1997-02-01), Bendall et al.
patent: 6677734 (2004-01-01), Rothleitner et al.
patent: 6788033 (2004-09-01), Vinciarelli

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