DC-DC converter including short-circuit protection circuit

Details DC-DC converter including short-circuit protection circuit DC-DC converter including short-circuit protection circuit

2006-09-14

2008-10-28

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

C361S092000

Reexamination Certificate

active

07443641

ABSTRACT:
Provided is a DC-DC converter including a short-circuit protection circuit which can stably perform a reset operation and a stop operation. The short-circuit protection circuit includes a detection circuit, a delay circuit, and a latch circuit. The delay circuit is reset in response to an output voltage abnormality signal related to a switching regulator which is outputted from the latch circuit. The latch circuit is reset based on an AND operation between the output voltage abnormality signal and a UVLO signal.

REFERENCES:
patent: 7098639 (2006-08-01), Natsume et al.
patent: 7310251 (2007-12-01), Yang et al.
patent: 2006/0076941 (2006-04-01), Ishii
patent: 2006/0152874 (2006-07-01), Young
patent: 2004-040858 (2004-02-01), None
patent: 2004040858 (2004-02-01), None

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