Title:
過電流保護を伴ったスイッチモード電源
Document Type and Number:
Japanese Patent JP4100717
Kind Code:
B2
Abstract:
In a tuned switch mode power supply a zero voltage is maintained across a transistor switch, during both turn off and turn on switching transition intervals in the transistor switch. The tuned switch mode power supply operates in a current-mode control, on a current pulse-by-current pulse control basis. An over-current protection circuit disables the transistor switch when an over-current condition persists longer than a first interval that is substantially longer than a period of a given current pulse in the transistor switch. The operation of the transistor switch is undisturbed, when the over-current condition lasts only a shorter interval than the first interval.
Inventors:
Fitzgerald, William Vincent
Application Number:
JP54395798A
Publication Date:
June 11, 2008
Filing Date:
April 01, 1998
Export Citation:
Assignee:
Thomson Consumer Electronics Incorporated
International Classes:
H02M3/28; H02H7/12; H02M1/00; H02M1/32; H02M3/338
Domestic Patent References:
| JP1243849A | ||||
| JP10174430A | ||||
| JP6245503A | ||||
| JP3205781A | ||||
| JP62296718A | ||||
| JP53001815A | ||||
| JP2001500716A |
Foreign References:
| WO1995024099A1 |
Attorney, Agent or Firm:
Tadahiko Ito