Voltage supply circuit for a load absorbing high tentative peak

Details Voltage supply circuit for a load absorbing high tentative peak Voltage supply circuit for a load absorbing high tentative peak

1997-10-16

1999-02-23

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

323316, G05F 110

Patent

active

058748270

ABSTRACT:
A voltage supply circuit is provided which is capable of rapidly terminating a fluctuation in the voltage at the voltage output terminal of a feedback type voltage supply and restoring the voltage to a steady-state value. The feedback type voltage supply has a voltage output terminal to which a current supply circuit and a current absorbing circuit are connected. The current supply circuit comprises a voltage source for generating a voltage slightly less than the steady-state voltage at the voltage output terminal, a first diode 33 having a cathode connected to the voltage output terminal, a second diode having a cathode connected to the voltage source, and a current source having a current output terminal connected to the junction between the anodes of the first and the second diode. The current absorbing circuit comprises a voltage source for outputting a voltage slightly above the steady-state voltage at the voltage output terminal, a third diode having an anode connected to the voltage output terminal, a fourth diode having an anode connected to the voltage source, and a current source having a current output terminal connected to the junction between the cathodes of the third and the fourth diode.

REFERENCES:
patent: 4441070 (1984-04-01), Davies et al.
patent: 4683416 (1987-07-01), Bynum
patent: 5384498 (1995-01-01), Wong

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