Monolithically integratable control circuit having a push-pull o

Details Monolithically integratable control circuit having a push-pull o Monolithically integratable control circuit having a push-pull o

1986-09-15

1987-10-13

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

307255, 307300, 330268, 363132, H02M 7538

Patent

active

047002824

ABSTRACT:
A monolithically integratable control circuit for the switching of inductive loads, have a push-pull output stage formed by transistors each having their base terminal connected to a control circuit and to a charge extraction transistor driven to conduct at saturation in phase opposition with respect to the output transistor to which it is connected. This charge extraction transistor has its base terminal connected via a diode to the control circuit and to a biasing resistor.

REFERENCES:
patent: 4205273 (1980-05-01), Yoshida
patent: 4586001 (1986-04-01), Pye
patent: 4612452 (1986-09-01), Stephani et al.
Farkas, "Well-protected Power-transistor Bridge Drives Servos, Turns Off Quickly," Electronic Design, vol. 29, No. 8, pp. 192-194, Apr. 16, 1981.

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