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Patent

Method and system of regulating voltages

TLDR
In this paper, a switching circuit is configured to create the intermediate voltage signal based on a switching signal having a duty cycle, and wherein the duty cycle of the switching signal is open-loop with respect the intermediate signal and the first regulated voltage signal.
Abstract
Regulating voltages At least some of the illustrative embodiments are systems including a switching circuit configured to produce an intermediate voltage signal from an input voltage signal, and a first voltage regulator coupled the switching circuit and configured to produce a first regulated voltage signal from the intermediate voltage signal The switching circuit is configured to create the intermediate voltage signal based on a switching signal having a duty cycle, and wherein the duty cycle of the switching signal is open-loop with respect the intermediate voltage signal and the first regulated voltage signal

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References
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Patent

Flexible power converter and simplified process controller

TL;DR: In this article, a flexible power converter and simplified process controller is proposed for a variety of applications with minimal effort, which can be quickly and easily applied as a versatile power supply, motor driver, thermal regulator, or controller for lighting and flow applications.
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Method and apparatus for voltage regulation in multi-output switched mode power supplies

TL;DR: In this article, a step-down switched-mode power supply circuit includes a transformer having at least one primary winding and at least two secondary winding, a current sensing device for sensing a current through a primary winding of the transformer, a first switch and a second switch, a comparator for determining if the current through the current sensing devices exceeds a threshold, a voltage regulator coupled to the secondary winding to produce a regulated voltage, a second comparator to determine if the regulated voltage has drooped below an acceptable level, and control circuitry for generating a signal having a fixed number of
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TL;DR: In this paper, a high-efficiency programmable power supply including a linear regulator and a switching pre-regulator is presented, where the linear regulator provides a generally constant voltage drop across the series pass regulator pass transistor and maintains a predetermined voltage drop thereacross.
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Multiple-phase power converter having current sharing and high frequency filtering

TL;DR: In this paper, a controller is adapted to control operations of the first and second switch circuits to alternately connect the input terminals of the respective inductors to the respective voltage source and ground.