Pulse width control IC circuit and switching power supply unit

Details Pulse width control IC circuit and switching power supply unit Pulse width control IC circuit and switching power supply unit

1998-03-30

2000-02-08

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327177, 363 65, 363123, 361 87, 361 90, H03K 3017

Patent

active

060231785

ABSTRACT:
A pulse width control IC circuit that greatly reduces price, increases packaging density,and improves reliability for switching power supply units, wherein the IC circuit is on a single chip and includes a main converter control section that controls the ON and OFF actions of a main switch outside the IC, an output MOSFET, and an auxiliary converter control section that controls the ON and OFF actions of the output MOSFET.

REFERENCES:
patent: 5657211 (1997-08-01), Brockmann
patent: 5796596 (1998-08-01), Williams

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