Switching power source

Details Switching power source Switching power source

1998-12-08

1999-12-07

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 56, 363127, H02M 3335

Patent

active

059994207

ABSTRACT:
There is disclosed a synchronized rectifier type switching power source device in which losses and noise generation due to differences in operating delay times in the input and output switching elements can be suppressed. A signal timing adjusting device is provided for controlling the timing of the control signal applied to the first switching device provided in the input side and those of the control signals applied to the second and third switching devices provided in the output side, so that the control signal is applied to the first switching device with a timing delayed as compared with the timings of the control signals applied to the second and third switching devices to thereby compensate for the operating time delay among the first switching device and the second and third switching devices due to the differences in the voltage durability and the current capacity among these switching devices.

REFERENCES:
patent: 4870555 (1989-09-01), White
patent: 5724235 (1998-03-01), Shimamori et al.
patent: 5726869 (1998-03-01), Yamashita et al.
patent: 5734563 (1998-03-01), Shinada
patent: 5781420 (1998-07-01), Xia et al.
patent: 5870299 (1999-02-01), Rozman
patent: 5872705 (1999-02-01), Loftus, Jr. et al.
patent: 5886881 (1999-03-01), Xia et al.

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