Regulator circuit

Details Regulator circuit Regulator circuit

2005-02-15

2005-02-15

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

For reactive power control

Using impedance

C327S061000

Reexamination Certificate

active

06856120

ABSTRACT:
A regulator circuit capable of reducing an increase in an output voltage during a sudden drop in a load current without increasing the power consumption during a steady state. When a current in load IL1changes suddenly from a large current to a minute current during a steady state, electric charges are charged in capacitor CL1due to a response delay of the negative feedback control, and an output voltage becomes higher than a target voltage. Then, voltage of node N34drops, diode31gets turned off, and a voltage is held in capacitor32. As a result, output of comparator42changes from a low level to a high level, and n-type MOS transistor82gets turned on. In addition, when the voltage between the gate and the source of n-type MOS transistor50becomes lower than the voltage of voltage source71due to a drop in the voltage of node N34, comparator72is also reverted to the high level.

REFERENCES:
patent: 5173847 (1992-12-01), Suzuki
patent: 6480311 (2002-11-01), Okuda et al.

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