Constant current driving circuit

Details Constant current driving circuit Constant current driving circuit

1998-03-18

1999-11-23

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327382, 327513, 323316, H03K 300

Patent

active

059907118

ABSTRACT:
A constant current driving circuit capable of performing constant current driving of a load without being influenced by power supply variation, temperature variation and process variation, while reducing the output amplitude on the high level side. The circuit includes a high-level power supply terminal, a low-level power supply terminal, a reference current source circuit, and a switching drive stage.

REFERENCES:
patent: 4931797 (1990-06-01), Kagawa et al.
patent: 5638011 (1997-06-01), Nguyen

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