Method of setting the output current of a monolithic integrated

Details Method of setting the output current of a monolithic integrated Method of setting the output current of a monolithic integrated

1993-10-01

1995-09-19

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

327490, H03K 512

Patent

active

054518610

ABSTRACT:
The invention is a method and circuit for improving the settability of the output current (i1) of at least one pad driver (D: D1, D2, . . . Dn) to reduce interfering voltage dips on the supply lines. The pulselike current peaks caused by rapid charging/discharging of high load capacitances (c) are particularly avoided. To this end, the respective output transistor (t1, t1') is operated as a current-controlled element in a first range (b1) of the output voltage (OUR) and as a voltage-controlled element in a second range (b2).

REFERENCES:
patent: 4527081 (1985-07-01), Stewart
patent: 4612466 (1986-09-01), Stewart
patent: 4779013 (1988-10-01), Tanaka
patent: 4829199 (1989-05-01), Prater
patent: 5079439 (1992-01-01), Wanlass
patent: 5319252 (1994-06-01), Pierce et al.
IBM Technical Disclosure Bulletin, Book 30, No. 9, Feb. 1988, pp. 174-176.

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