Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Utilizing a three or more electrode solid-state device
Patent
1992-08-12
1995-07-04
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
Utilizing a three or more electrode solid-state device
327590, 363 21, H02M 3335, H03K 17687
Patent
active
054304059
ABSTRACT:
A DC converter system for providing an output voltage to a load, employing a pulse width modulated switching is disclosed. The system includes a DC input voltage source and a control switch having an ON period and an OFF period. The control switch during the ON period conducts a current responsive to the voltage source. A controller is provided to vary the ON period and the OFF period of the switch, such that the ON period is inversely proportional to the voltage source and the OFF period is inversely proportional to the output voltage.
REFERENCES:
patent: 4634903 (1987-01-01), Montorfano
patent: 4709316 (1987-11-01), Ngo et al.
patent: 4837670 (1989-06-01), Diaz
patent: 4847742 (1989-07-01), Ohashi et al.
patent: 4899065 (1990-02-01), Nakamura
patent: 4904889 (1990-02-01), Chieli
patent: 4985821 (1991-01-01), Cohen
patent: 5140201 (1992-08-01), Venishi
Dragan Maksimovic and Slobodan Cuk, Switching Converters with Wide DC Conversion Range, HFPC. May 1989.
Callahan Timothy P.
Lambda Electronics Inc.
Nu Ton My-Trang
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