Switched mode power supply controller and method

Details Switched mode power supply controller and method Switched mode power supply controller and method

1998-04-16

1999-01-19

Berhane, Adolf

Electric power conversion systems

Current conversion

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

363 97, H02M 3335

Patent

active

058620451

ABSTRACT:
A switched mode power supply has a transformer and a power switch to switch a primary current for operation in a critical conduction mode. The switched mode power supply has a controller which switches off a primary current when a peak current is reached. The primary current is switched on again when a zero current condition in the secondary is detected the first time after the primary current has been switched off and a minimum primary current off time has been reached.

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"MC33368, Advance Information Power Factor Controller", Motorola Semiconductor Technical data, Sep. 26, 1995, MC33368 Rev 2, pp. 1-12.

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