Power MOSFET driver having auxiliary current source

Details Power MOSFET driver having auxiliary current source Power MOSFET driver having auxiliary current source

1992-09-24

1994-02-22

Wambach, Margaret R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307263, 307264, 307572, 307576, H03K 301, H03K 512

Patent

active

052890511

ABSTRACT:
An assembly has an MOS power transistor with an output circuit and an input circuit, a load connected in series with the output circuit of the MOS power transistor, and a control stage for controlling the input circuit of the MOS power transistor. A circuit configuration for triggering the MOS power transistor includes a constant current source and a switchable auxiliary current source connected parallel to the constant current source for feeding the control stage. The auxiliary current source is turned off at a predetermined period of time after an onset of a control event for the MOS power transistor.

REFERENCES:
patent: 4677324 (1987-06-01), Ronan, Jr. et al.
patent: 4818901 (1989-04-01), Young et al.

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