Circuit arrangement including photoelectric transducers for supp

Details Circuit arrangement including photoelectric transducers for supp Circuit arrangement including photoelectric transducers for supp

1997-03-04

1998-12-01

Le, Que

Radiant energy

Photocells; circuits and apparatus

Signal isolator

2502141, 327434, G02B 2700

Patent

active

058442480

ABSTRACT:
An insulated gate bipolar transistor (IGBT) is supplied with high voltage electric power by a power supply circuit that includes a plurality of photoelectric transducers arranged to output a high voltage, low current driving signal, and an illumination component optically coupled with the photoelectric transducers and supplied with low voltage electric power, thus allowing the insulated gate bipolar transistor to be used in low voltage applications that would otherwise result in a sudden increase in switch loss and burnout of the transistor.

REFERENCES:
patent: 5055721 (1991-10-01), Majumdar et al.
patent: 5602505 (1997-02-01), Antone

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