DC to DC converter current pump
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United States of America Patent
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-
Sep 19, 1989
Issued Date -
N/A
app pub date -
Dec 11, 1987
filing date -
Jul 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A DC to DC power converter designated a synchronous current pump (13) and operated in the preferred mode in synchronization with a discharge circuit (11) and using a capacitor (28) as the energy storage element, and in the preferred embodiment has in series with said capacitor the battery supply (10), an inductor (30), a diode (27a), and the primary winding (31a) of a transformer (31); and across said storage capacitor is an energy transfer FET switch (33) which is used for discharging said capacitor and transferring it stored energy to a output load capacitor (4) connected through a diode (32) to the secondary winding of said transformer. In operation, the current pump supplies power efficiently and smoothly to a load discharge capacitor in synchronization with operation of the discharge circuit.
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