DC Converter With Low Starting Voltage
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United States of America Patent
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Issued Date -
Jul 18, 2013
app pub date -
Dec 20, 2012
filing date -
Dec 23, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an electronic circuit with which input voltages at an input of the circuit are converted into higher output voltages at an output of the circuit, whereby the voltage conversion already starts at low voltages at the input. According to the present invention, the DC converter circuit for the generation of an output voltage from an input voltage (Vin) comprises a transformer (Tr) with a first primary winding (1) that can be connected to the input voltage (Vin) via a first transistor (T1) that is connected in series, and a second primary winding (2) that can be connected to the input voltage (Vin) via a second transistor (T2) that is connected in series. The transformer (Tr) furthermore has at least one secondary winding (3, 4) that has a higher number of windings than the first and the second primary winding (1, 2) and that is connected to control inputs of the first and second transistor (T1, T2), as well as to an output terminal of the DC converter circuit for the output of the output voltage (Vout).
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