Voltage reference generator for quickly charging capacitive load

Details Voltage reference generator for quickly charging capacitive load Voltage reference generator for quickly charging capacitive load

1997-06-06

1999-01-12

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

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

323314, 323281, 330279, G05F 140

Patent

active

058595260

ABSTRACT:
A voltage reference generator includes a voltage source and a differential amplifier. The voltage source supplies a stable voltage reference to a positive input of the differential amplifier which is configured as a follower having its output looped back to its negative input. The negative feedback loop is a variable-resistance loop that is controlled by the output of the differential amplifier. The variable-resistance feedback loop transiently imposes open-loop operation when the voltage reference generator is turned on so as to provide high current to the output before imposing closed-loop operation in follower mode.

REFERENCES:
patent: 4185251 (1980-01-01), Brown, Jr. et al.
patent: 4260946 (1981-04-01), Wheatley, Jr.
patent: 4677369 (1987-06-01), Bowers et al.
patent: 5086238 (1992-02-01), Watanabe et al.
patent: 5146152 (1992-09-01), Jin et al.

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