Current supply for use in low voltage IC devices

Details Current supply for use in low voltage IC devices Current supply for use in low voltage IC devices

1983-06-23

1985-07-09

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 330288, G05F 320

Patent

active

045284962

ABSTRACT:
A current mirror provides an output current, for use in an IC, that is a multiple of a reference current input. A high gain negative feedback loop is coupled between the current mirror reference input and the output device. This forces the reference input to operate as a diode and stabilizes the circuit operation so that the output current accurately reflects the reference current independently of the .beta. of the devices.

REFERENCES:
patent: 4329639 (1982-05-01), Davis
patent: 4350904 (1982-09-01), Cordell
patent: 4380740 (1983-04-01), Kaplan
patent: 4435678 (1984-03-01), Joseph et al.

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