Voltage regulator circuit having adaptive loop gain

Details Voltage regulator circuit having adaptive loop gain Voltage regulator circuit having adaptive loop gain

1994-08-01

1996-08-13

Hecker, Stuart N.

Electricity: power supply or regulation systems

Output level responsive

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

323273, G05F 1573

Patent

active

055459706

ABSTRACT:
A voltage regulator circuit (100) for coupling to a power supply voltage (BPLUS) generates and regulates an output voltage (VREG). The voltage regulator circuit (100) includes a gain control element (148) for controlling the loop gain of the voltage regulator circuit (100) in response to the output current. Under heavy load conditions, the gain control element (148) functions to reduce (716) the output voltage (VREG) and thus the output current of the voltage regulator circuit (100) to avoid an overload that would pull the power supply voltage (BPLUS) below a predetermined level.

REFERENCES:
patent: 3597657 (1971-08-01), Fredricsson
patent: 4355277 (1982-10-01), Davis
patent: 4899098 (1990-02-01), Gariboldi
patent: 5041777 (1991-08-01), Riedger
Statutory Invention Registration No. H1319, T. C. Stroup, Current Limit for Power Supply Regulators, Jun. 7, 1994.

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