DC-DC converter control circuit and DC-DC converter

Details DC-DC converter control circuit and DC-DC converter DC-DC converter control circuit and DC-DC converter

2005-12-27

2005-12-27

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S285000

Reexamination Certificate

active

06979981

ABSTRACT:
A DC-DC converter control circuit disclosed herein comprises a first switching element having a first terminal to which a first voltage is supplied and a second terminal which is connected to an output node; a second switching element having a first terminal which is connected to the output node and a second terminal to which a second voltage lower than the first voltage is supplied; and a control circuit which outputs a first control signal to a control terminal of the first switching element and outputs a second control signal to a control terminal of the second switching element so as to control on/off states of the first switching element and the second switching element, wherein the control circuit switches the second switching element from the off state to the on state after detecting that the first switching element is in the off state when switching the second switching element from the off state to the on state.

REFERENCES:
patent: 5408150 (1995-04-01), Wilcox
patent: 6057675 (2000-05-01), Tateishi
patent: 6396252 (2002-05-01), Culpepper et al.
patent: 2-151271 (1990-06-01), None
patent: 3-169266 (1991-07-01), None
patent: 9-117131 (1997-05-01), None
patent: 11-32477 (1999-02-01), None
patent: 11-187651 (1999-07-01), None

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