Buck converter with demagnetization detection of the inductor

Details Buck converter with demagnetization detection of the inductor Buck converter with demagnetization detection of the inductor

2006-01-17

2009-02-24

Ullah, Akm E (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S285000, C323S282000

Reexamination Certificate

active

07495425

ABSTRACT:
A buck converter is equipped with a switch, a diode, an inductance, a capacitor, an input with a first connection and second connection, and an output with a first connection and second connection. The first connection of the input is connected to the first connection of the output via a series circuit comprised of the switch and the inductance; in particular, the switch is provided on the input side and the inductance is provided on the output side. In addition, the cathode of the diode is connected to the connection between the switch and the inductance while the anode of the diode is connected to the second connection of the input and to the second connection of the output. The capacitor is connected in parallel with the connections of the output. It is possible to trigger the switch by combining a first signal with a second signal and a third signal corresponding to a control variable from the output of the buck converter may be used to adjust the output signal.

REFERENCES:
patent: 5134355 (1992-07-01), Hastings
patent: 5412308 (1995-05-01), Brown
patent: 6366070 (2002-04-01), Cooke et al.
patent: 6388429 (2002-05-01), Mao
patent: 1 580 638 (2005-09-01), None
patent: WO 03/001314 (2003-01-01), None
0-7803-5160, 1999 IEEE pp. 11301135, Fabiana Pottker de Souza and Ivo Barbi, entitled, “A Unity Power Factor Buck Pre-Regulator with Feedforward of the Output Inductor Current”p.

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