Converter circuit with forward and backward control

Details Converter circuit with forward and backward control Converter circuit with forward and backward control

2011-06-28

2011-06-28

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S283000, C323S285000

Reexamination Certificate

active

07969131

ABSTRACT:
The present invention relates to a converter circuit and a conversion method for converting an input signal of a first value to an output signal of a second value based on a switched operating mode, wherein an output feedback loop (40) and an additional input forward control loop (60) are provided. The additional input forward control loop (60) serves to correctly control a switching parameter not only with respect to the output load but also over a wide input voltage range. This leads to an improved power efficiency and reliability of the converter circuit.

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patent: WO0247025 (2002-06-01), None
patent: WO2004051831 (2004-06-01), None
Mattavelli P: “Digital Control of DC-DC Boost Converters With Inductor Current Estimation”; Applied Power Electronics Conf. and Exposition 2004; APEC 04; Nineteenth Annual IEEE Anaheim CA US Feb. 22-26, 2004; Piscataway NJ USA; vol. 1, Feb. 22, 2004 pp. 74-80.
Phillips D: “New Cycles Proportionality Factor Eases PFM Converter Design”; Electronic Design Penton Media; Cleveland OH US vol. 45, No. 23; Oct. 23, 1997; pp. 89-90, 92, 94, 9.

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