Switching regulator

Details Switching regulator Switching regulator

1989-05-02

1990-06-26

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 19, 363 49, H02H 7122, H02M 3335

Patent

active

049377248

ABSTRACT:
A switching regulator for use with various kinds of electric and electronic equipment as a DC stabilizing power source. The switching regulator has a switching element implemented as an n-p-n switching transistor, an overcurrent detecting circuit for detecting an overcurrent ascribable to a fault, and a start delaying circuit for, after the switching transistor has been caused into an inactive state, feeding to the transistor a starting current which is delayed by a predetermined period of time. When the fault is removed, the switching transistor resumes its turn-on and turn-off operations immediately so as to restore the switching regulator to normal rapidly.

REFERENCES:
patent: 4092710 (1978-05-01), Wadsworth
patent: 4443838 (1984-04-01), Yamada
patent: 4731721 (1988-03-01), Igashira et al.

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