Output hold-up circuit for a step-up voltage regulator

Details Output hold-up circuit for a step-up voltage regulator Output hold-up circuit for a step-up voltage regulator

1987-09-03

1988-05-10

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323222, 361 18, G05F 1569

Patent

active

047438355

ABSTRACT:
An arrangement for enhancing the available energy storage capability of a hold-up energy storage element for use with the step-up or boost regulator stage of a power supply enables use of smaller hold-up storage elements, such as capacitors. The circuit stores energy at the boost regulator output and returns the energy either to the regulator input in the event of a transient line failure, or to the regulator output during a load transient. The invention provides improved transient fault tolerance by increasing the hold-up time of the storage element.

REFERENCES:
patent: 3889177 (1975-06-01), Fendrich, Jr.
patent: 4016461 (1977-04-01), Roland
patent: 4063306 (1977-12-01), Perkins et al.
patent: 4533986 (1985-08-01), Jones

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