Low cost inverter with both discrete and integrated power switch

Details Low cost inverter with both discrete and integrated power switch Low cost inverter with both discrete and integrated power switch

1996-10-09

1998-07-14

Kinkead, Arnold

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

363132, 345102, 368 67, G09G 312, G09G 1932

Patent

active

057809755

ABSTRACT:
An inverter for powering an electroluminescent lamp includes a supply terminal, a ground terminal, a first switching transistor, an inductor, and a second switcing transistor connected in series between the supply terminal and the ground terminal. As implemented in a semiconductor device, one of the switching transistors in a discrete device and the other of the switching transistors is included in the same die as the driving circuit for the switching transistors. The sum of die cost, packaging cost, and external device cost is a minimum for a single, external power transistor.

REFERENCES:
patent: 5256582 (1993-10-01), Mosher et al.
patent: 5313141 (1994-05-01), Kimball
patent: 5483503 (1996-01-01), Kimball
patent: 5525869 (1996-06-01), Wood
patent: 5539707 (1996-07-01), Wood

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