Pulse-skipping PFM DC-DC converter using a voltage mode...

Details Pulse-skipping PFM DC-DC converter using a voltage mode... Pulse-skipping PFM DC-DC converter using a voltage mode...

2006-07-11

2006-07-11

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S224000

Reexamination Certificate

active

07075280

ABSTRACT:
A pulse frequency modulation unit controls upper limit level and lower limit level for an output voltage of a DC-DC converter. A voltage mode control loop uses the upper and lower limit levels in a feedback loop to generate a control signal to enable and disable the converter circuit.

REFERENCES:
patent: 5552694 (1996-09-01), Appeltans
patent: 6188209 (2001-02-01), Poon et al.
patent: 6204651 (2001-03-01), Marcus et al.
patent: RE37609 (2002-03-01), Bittner
patent: 6373954 (2002-04-01), Malcolm et al.
patent: 6396251 (2002-05-01), Corva et al.
patent: 6965221 (2005-11-01), Lipcsei et al.

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