Integrated circuit trimming

Details Integrated circuit trimming Integrated circuit trimming

1986-01-27

1987-05-12

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323354, 323907, G05F

Patent

active

046653562

ABSTRACT:
A circuit is described for trimming a monolithic PN junction isolated silicon IC. The value of a moderate value resistance network is translated to a current that can be made to have a predetermined temperature coefficient and can be applied to the IC. A voltage regulator is shown in which the output voltage and the temperature coefficient can be independently adjusted both at wafer sort and after assembly.

REFERENCES:
patent: 4087758 (1978-05-01), Hareyama
patent: 4100437 (1978-07-01), Hoff, Jr.
patent: 4225878 (1980-09-01), Dobkin
patent: 4412241 (1983-10-01), Nelson
patent: 4550262 (1985-10-01), Kohsiek

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