Power supply control apparatus

Details Power supply control apparatus Power supply control apparatus

1995-10-04

1997-11-25

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

307 75, 307 39, 307 87, 307130, G05F 1577

Patent

active

056916302

ABSTRACT:
A power supply control apparatus for controlling a power supply circuit for outputting voltages of at least two systems is constructed by a first power supply circuit for generating a first voltage and a second power supply circuit for generating a second voltage, a controller circuit which is driven by the first voltage, a disconnecting circuit for disconnecting the second voltage by the controller circuit in accordance with a predetermined condition, a power supply controller circuit for controlling the second power supply circuit on the basis of the second voltage, and a supplying circuit for supplying a signal indicative of a state in which the second voltage has been outputted to the power supply controller circuit when the second voltage is disconnected by the disconnecting circuit.

REFERENCES:
patent: 4163906 (1979-08-01), Shimamura
patent: 5202725 (1993-04-01), Oku

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