Low power temperature compensated, current source and associated

Details Low power temperature compensated, current source and associated Low power temperature compensated, current source and associated

1997-05-09

1999-03-16

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 327512, G05F 316

Patent

active

058835075

ABSTRACT:
An integrated circuit and method are provided for generating current for low power applications. The integrated circuit preferably includes a current generating circuit responsive to a supply voltage for generating a first reference current and a temperature compensating voltage controlling circuit for generating a temperature compensated voltage control signal during temperature variations. A bias controlling circuit is preferably connected to the current generating circuit and the temperature compensating voltage control circuit for biasingly controlling the temperature compensating voltage control circuit. A current output controlling circuit is connected to the current generating circuit and the temperature compensating voltage controlling circuit for controlling a second temperature compensated reference current responsive to the temperature compensated voltage control signal so as to generate a high output source current even during low temperature conditions.

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patent: 5777509 (1998-07-01), Gasparik

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