Positive temperature coefficient current source with low power d

Details Positive temperature coefficient current source with low power d Positive temperature coefficient current source with low power d

1990-06-07

1991-05-14

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 340762, 340782, 34081503, G05F 316, G09G 314, G09G 332

Patent

active

050159429

ABSTRACT:
A positive temperature coefficient current source having reduced reference current requirements. The output transistors are each buffered by another transistor in a Darlington pair configuration. The reference current required for the circuit is reduced while maintaining a positive temperature coefficient for the current source.

REFERENCES:
patent: 4475077 (1984-10-01), Nagano
patent: 4808908 (1989-02-01), Lewis et al.
patent: 4816742 (1989-03-01), van de Plassche
patent: 4958122 (1990-09-01), Main

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