Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1982-08-12
1985-04-09
Pellinen, A. D.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
323222, H02J 906
Patent
active
045104000
ABSTRACT:
The power supply of the present invention regulates the output of a DC voltage source, such as a storage battery, and is adapted to operate in combination with a rectified AC voltage to continue to provide a level DC output voltage in the event AC line power is lost. The switching regulator power supply automatically turns on in response to an AC line outage and provides a DC output voltage regulated by a feedback control arrangement which precisely controls the DC output voltage level. When the rectified AC line voltage is restored, the switching regulator power supply automatically turns off thus reducing DC voltage source usage and prolonging storage battery operating lifetime. The switching regulator power supply of the present invention is particularly adapted for low current applications including providing a well-regulated DC voltage to a volatile memory device of the general complementary-metal-oxide semiconductor type (CMOS) on a standby basis in the event the primary DC source is lost.
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Hopper, High Efficiency Boost Regulator Design for Planetary Spacecraft, Sep. 1969.
Deboer Todd E.
Pellinen A. D.
Zenith Electronics Corporation
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