Delta-sigma DC-to-DC converter and method thereof

Details Delta-sigma DC-to-DC converter and method thereof Delta-sigma DC-to-DC converter and method thereof

2005-09-20

2005-09-20

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

06946823

ABSTRACT:
A delta-sigma DC-to-DC converter comprises a pair of high-side and low-side switches switched to convert an input voltage to an output voltage, a sense circuit to sense the output voltage of the converter to generate a feedback signal, a transconductive amplifier to amplify a difference between the feedback signal and a threshold signal to generate a differential current, a charging circuit connected with the differential current to generate a charging voltage, and a driver to compare the charging voltage with two reference signals to generate the pair of low-side and high-side driving signals.

REFERENCES:
patent: 5912552 (1999-06-01), Tateishi
patent: 6580258 (2003-06-01), Wilcox et al.
patent: 6583610 (2003-06-01), Groom et al.
patent: 6791306 (2004-09-01), Walters et al.
patent: 6879137 (2005-04-01), Sase et al.
patent: 2004/0232900 (2004-11-01), Huang et al.
patent: 2005/0057238 (2005-03-01), Yoshida

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