Feed forward darlington circuit with reduced NPN reverse beta se

Details Feed forward darlington circuit with reduced NPN reverse beta se Feed forward darlington circuit with reduced NPN reverse beta se

1989-01-26

1990-05-01

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307300, 307549, 307255, H03K 19088

Patent

active

049221299

ABSTRACT:
A Darlington output stage is shown in which the saturation voltage is reduced to the level of a single common emitter output transistor. The circuit includes a lateral feed-forward transistor that bridges the driver transistor. A resistor is included to ensure that the driver transistor is turned off when the output transistor saturates. An IC version of the circuit is set forth in detail.

REFERENCES:
patent: 4705986 (1987-11-01), Taki
patent: 4725741 (1988-12-01), Shekbawat et al.
10 Amp/80 Volt Power Darlington, 11-68, p. 1.

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