Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Patent
1989-05-24
1991-07-02
Stephan, Steven L.
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
323225, 323284, 323285, 323223, G05F 1575
Patent
active
050288610
ABSTRACT:
A DC-DC converter regulates the maximum current through an inductor. The DC-DC converter operates within a paging receiver and boosts a voltage from a single cell battery to substantially 3.1 VDC in order to operate circuits which require more voltage than that produced by the single cell battery. Such circuits include CMOS microcomputers and code plug. The DC-DC converter is current regulated thus providing for improved power conversion efficiency. The DC-DC converter is active when the voltage is below a minimum voltage and inactive when above a maximum voltage. The DC-DC converter provides for a wide range of load currents from the converted voltage without being controlled by a microcomputer and while delivering the power to the loads with an improved efficiency.
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Gracie; "Intermittent Converter Saves Power"; EDN; Sep. 1, 1989; p. 151.
Overton David H.
Pace Gary L.
Ingrassia Vincent B.
Koch William E.
Motorola Inc.
Rasor Gregg
Stephan Steven L.
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