Pulse or digital communications – Pulse width modulation
Reexamination Certificate
2005-11-15
2010-06-29
Odom, Curtis B (Department: 2611)
Pulse or digital communications
Pulse width modulation
C332S109000, C332S110000, C332S111000, C370S212000
Reexamination Certificate
active
07746926
ABSTRACT:
A pulse width modulation (PWM) Regulator System with automatically switching pulse skipping mode (PSM) is disclosed. The PWM regulator system comprises a PWM regulator, a PSM switching module and a pulse generator. The PWM regulator converts the input voltage by PWM. The PSM switching module determines to enter or exit the PSM. The pulse generator adaptively produces pulse signal for the switching regulator to operate in PSM.
REFERENCES:
patent: 6396252 (2002-05-01), Culpepper et al.
patent: 6724174 (2004-04-01), Esteves et al.
Chu Kwan-Jen
Chung Po-Shun
Liu Jing-Meng
Pai Chung-Lung
Odom Curtis B
Richtek Technology Corp.
Stout, Uxa Buyan & Mullins, LLP
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