Integrated circuit for controlling power converter by frequency

Details Integrated circuit for controlling power converter by frequency Integrated circuit for controlling power converter by frequency

1985-12-06

1987-08-04

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

363 56, 363 98, H02M 3337

Patent

active

046850406

ABSTRACT:
An integrated circuit contains the gate drivers and the control components for constructing a DC power supply in any of the most popular converter topologies. Multi-function elements in the control circuit minimize the area of the chip. The integrated circuit drives both the upper and lower switches of a half-bridge converter and separately regulates two power supply output voltages, one by pulse width modulation and the other by frequency modulation.

REFERENCES:
patent: 4266268 (1981-05-01), Tkacenko
patent: 4494134 (1985-01-01), Wildi et al.
Wildi et al., A Highly Integrated 500V/25 A Smart Half Bridge, ISSCC Conf. (Feb. 1985).
Kohno et al., Single-Ended DC-to-DC Converter With Two Individually Controlled Outputs, Fujitsu Scientific and Tech. J. (Mar. 1980).
Deisch, Simple Switching Control Method Changes Power Converter Into a Current Source, Power Elec. Spec. Conf. (1978).

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