Regulation of a DC to DC converter

Details Regulation of a DC to DC converter Regulation of a DC to DC converter

2004-12-29

2009-12-08

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Plural converters

Reexamination Certificate

active

07629709

ABSTRACT:
A method for regulating a DC to DC converter of a portable device begins by sensing deactivation of a non-battery power source of the portable device, wherein an internal supply voltage is derived from the non-battery power source. The method continues by obtaining an initial regulation value for the DC to DC converter, wherein the initial regulation value is based on a battery voltage and the internal supply voltage. The method continues by enabling the DC to DC converter based on the initial regulation value, wherein the DC to DC converter converts the battery voltage into the internal supply voltage such that transitioning from the non-battery power source to a battery power source provides the substantially constant internal supply voltage.

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Simon S. Ang & Alejandro Oliva Power switching Converters 2005 - CRC Press ISBN# 0824722450 pp. 136-137.

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