Switching regulator control utilizing digital comparison techniq

Details Switching regulator control utilizing digital comparison techniq Switching regulator control utilizing digital comparison techniq

1976-10-18

1978-06-13

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 22T, 323DIG1, G05F 156

Patent

active

040951650

ABSTRACT:
A switching regulator includes a digital feedback control circuit to regulate the output voltage. The frequency output of a voltage controlled oscillator responsive to the output voltage is periodically counted. The accumulating count is continuously compared with a reference count. The elapsed time for this count to accumulate to a value equaling the reference count determines the duty cycle of periodic conduction through the switching device of the switching regulator.

REFERENCES:
patent: 3018431 (1962-01-01), Goldstein
patent: 3562625 (1971-02-01), Broek
patent: 3611117 (1971-10-01), Schneider
patent: 3952240 (1976-04-01), Ruumpol
IBMTDB, Debrita et al., "Integrated Binary Power Controller," vol. 17, No. 8, Jan. 1975, pp. 2227-2229.
IBMTDB, Calvo et al., "Analog-Digital Transistor Switching Regulator Controller, " vol. 17, No. 9, Feb. 1975, pp. 2666, 2667.

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