Start-up transient control for a DC-to-DC converter powered by a

Details Start-up transient control for a DC-to-DC converter powered by a Start-up transient control for a DC-to-DC converter powered by a

1983-06-06

1985-03-12

Wong, Peter S.

Electric power conversion systems

Current conversion

With starting arrangement

363 21, 323285, 323901, H02M 3335

Patent

active

045048983

ABSTRACT:
The start-up trajectory of the operating point of a DC-to-DC converter normally includes a high current locus which must be traversed to reach the steady-state operating point. In the case of a converter powered by a current-limited source, such as a power supply system where one converter powers a plurality of subsequent converters, the subsequent converters may be unable to turn on due to inadequate current drive. By using a control circuit adapted to control the start-up trajectory of a DC-to-DC converter as a continuous function of the input voltage applied to it by the current-limited source, the start-up characteristics are constrained to be compatible to both source and load permitting the converter to proceed to its steady-state operating point.

REFERENCES:
patent: 4215392 (1980-07-01), Rhoads
patent: 4233557 (1980-11-01), Alberkrack
patent: 4246634 (1981-01-01), Purol
patent: 4370701 (1983-01-01), Western
"Start-Up Transient of a DC-to-DC Converter Powered by a Current-Limited Source", IEEE Transactions On Aerospace and Electronic Systems, vol. AES-17, No. 3, May 1981, T. G. Wilson, Jr., pp. 351-363.
W. A. Moorman, "Transistor Switching Regulator Start Circuit", IBM Technical Disclosure Bulletin, vol. 13, No. 9, Feb. 1971, pp. 2763-2764.

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