Electric power conversion systems – Current conversion – Including automatic or integral protection means
Reexamination Certificate
2005-06-21
2005-06-21
Sterrett, Jeffrey (Department: 2838)
Electric power conversion systems
Current conversion
Including automatic or integral protection means
C363S056040, C363S056070, C363S124000
Reexamination Certificate
active
06909619
ABSTRACT:
There are disclosed a synchronous rectifying type of DC—DC converter, a DC—DC converter control circuit constituting such a type of DC—DC converter, a monitor circuit for monitoring an operation of a DC—DC converter, and an electronic equipment having a DC—DC converter, considering a conduction current. A DC—DC converter has a main switch and a synchronous rectifying switch, in which said main switch and said synchronous rectifying switch are alternately turned on so that a voltage of a DC electric power is transformed and outputted. A state that said main switch and said synchronous rectifying switch are simultaneously turned on is detected.
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Matsuda Kouichi
Nakazawa Shigeaki
Saeki Mitsuo
Fujitsu Limited
Staas & Halsey , LLP
Sterrett Jeffrey
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