Pulse width modulator for switching power supply

Details Pulse width modulator for switching power supply Pulse width modulator for switching power supply

1993-12-20

1995-12-12

Wong, Peter S.

Electric power conversion systems

Current conversion

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

323902, H02M 3335

Patent

active

054755794

ABSTRACT:
An improved pulse width modulation type switching power supply uses an opto-isolator as an output voltage error amplifier which feeds back an error signal to control pulse width modulation as well as to provide isolation between the primary and secondary voltages of the power supply.

REFERENCES:
patent: 4378585 (1983-03-01), Bete
patent: 4761724 (1988-08-01), Brown et al.
patent: 4962292 (1990-10-01), Aoki
patent: 5063489 (1991-11-01), Inaba
patent: 5063491 (1991-11-01), Shigeo
patent: 5146386 (1992-09-01), Learned
patent: 5184290 (1993-02-01), Ozawa et al.
Wide Range Uniformly High Efficiency DC-DL Converter, W. C. Singleton, IBM Technical Disclosure, vol. 15 No. 4 Sep. 1972 pp. 1359 & 1360.
K. H. Billings, Switch Mode Power Supply Handbook, McGraw-Hill, 1989, Chapter 1, pp. 2.3-2.15.

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