Controlling switch-Mode power conversion

Details Controlling switch-Mode power conversion Controlling switch-Mode power conversion

1995-08-29

1997-08-12

Wong, Peter S.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 97, H02M 112

Patent

active

056572158

ABSTRACT:
In a switching converter that delivers power to a load, a transition between higher load and lower load modes is controlled by varying the width of switch control pulses in one operating phase and blanking individual pulses in another operating phase. Alternatively, in yet another operating phase the time interval between switch control pulses is varied and, at a given load condition, the time interval between successive pulses remains essentially constant.

REFERENCES:
patent: 4825028 (1989-04-01), Smith
patent: 4924168 (1990-05-01), Horie et al.
patent: 5375050 (1994-12-01), Nakata et al.
patent: 5467262 (1995-11-01), Nakata et al.
K. Kit Sum, Switch Mode Power Conversion: Basic Theory and Design, Marrel Dekker, Inc., New York, New York 1984, pp. 1-17.
Jeffrey H. Hwang, Micro Linear Corporation, "ML482X: Green Mode Power Conservation, " presented Jun. 29, 1994, at Compaq Computer Corporation facilities in Houston, Texas (15 viewgraphs).

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