Regulator circuit

Details Regulator circuit Regulator circuit

2006-06-16

2008-07-01

Richards, N. Drew (Department: 4125)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S540000, C327S538000, C327S543000, C323S273000, C323S316000, C323S315000, C323S280000

Reexamination Certificate

active

07394306

ABSTRACT:
A regulator circuit having a voltage output terminal is provided. The regulator circuit includes a current mirror module, a plurality of source followers, and a switch. The current module receives a driving voltage, and has a first current terminal coupled to a driving current and a plurality of second current terminals, so that the driving current is copied to each second current terminal. Furthermore, each of second current terminals is coupled to one of source followers respectively. An output terminal of each source follower is coupled to an input terminal of next source, and the input terminal of the first source follower receives a control voltage. So that the source followers can determine whether the switch conducts the driving voltage to the voltage output terminal or not according to the copied driving current and the control voltage.

REFERENCES:
patent: 5686824 (1997-11-01), Rapp
patent: 6600692 (2003-07-01), Tanzawa
patent: 6888340 (2005-05-01), Chen
patent: 7176752 (2007-02-01), Hashimoto

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