Buck switching regulator with tow control loops

Details Buck switching regulator with tow control loops Buck switching regulator with tow control loops

1990-08-31

1992-11-24

Stephen, Steven L.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

361 18, 363 21, 323284, H02H 7122, G05F 140

Patent

active

051668718

ABSTRACT:
A buck switching regulated power supply having a first feedback loop which is relatively slow, so as to prevent rapid changes in the output current from being reflected to the input current. A second, faster feedback loop having a higher loop gain is provided, and is arranged to take over when the load voltage reaches a predetermined level, so as to prevent the load voltage from rising above such level.

REFERENCES:
patent: 3353083 (1967-11-01), Greenberg et al.
patent: 3673487 (1972-06-01), Hendrickson
patent: 3816809 (1974-06-01), Kuster
patent: 4012685 (1977-03-01), Nercessian
patent: 4025862 (1977-05-01), Gautheron
patent: 4464709 (1984-08-01), Barter
patent: 4594541 (1986-06-01), Schott
patent: 4739462 (1988-04-01), Farnsworth et al.
patent: 4739466 (1988-04-01), Glennon et al.
patent: 4885671 (1989-12-01), Peil
patent: 4937697 (1990-06-01), Edwards et al.
patent: 5029269 (1991-07-01), Elliot et al.
IBM Technical Disclosure Bulletin, vol. 32, No. 5B, Oct., 1989.
IBM Technnical Disclosure Bulletin, vol. 32, No. 11, Apr. 1990.
Micro Linear Advance Information Sheet ML 4812, Jun., 1989.

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