Buck-boost switch mode power supply with burst topology

Details Buck-boost switch mode power supply with burst topology Buck-boost switch mode power supply with burst topology

1995-04-05

1996-06-18

Nguyen, Matthew V.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323282, G05F 110, G05F 140

Patent

active

055281257

ABSTRACT:
A buck-boost switch mode regulated power supply using a burst circuit topology includes a detection circuit to sense overcurrent in the high side connected power transistor. This causes the flip flop to flip which turns off the transistor. A comparator connected to the output voltage detects when the output voltage falls below the threshold value of the comparator and sends a signal to the flip flop which is reset upon the next pulse of a pulsed reset signal. When the flip flop is reset, the high side power transistor is turned back on.

REFERENCES:
patent: 4395675 (1983-06-01), Toumani
patent: 4578630 (1986-03-01), Grosch
patent: 4736151 (1988-04-01), Dishner
patent: 4801859 (1989-01-01), Dishner
patent: 5402060 (1995-03-01), Erisman
patent: 5426578 (1995-06-01), Nakamura et al.

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