Detail publikace

A Low-Dropout Voltage Regulator with a Fractional-Order Control

KADLČÍK, L. HORSKÝ, P.

Originální název

A Low-Dropout Voltage Regulator with a Fractional-Order Control

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper presents a 5 V / 50 mA low-dropout voltage regulator (LDO). The LDO uses a fractional-order control for its regulation loop to achieve a high DC gain (for a tight DC regulation) while avoiding (for a good stability) a high gain at high frequency. No compensation zeros are needed. The unity gain frequency of the regulation loop also changes adaptively with the output current to maintain it below the frequency of non-dominant poles. The LDO is stable with any external capacitance larger than 50 nF, and is expected to operate in a harsh automotive environment, with junction temperature ranging from -40°C to 170°C and with supply voltage from 7 V to 36 V. The operation of the LDO has been verified by realizing it in the 350 nm I3T50 ON Semiconductor technology.

Klíčová slova

fractional-order control, error amplifier, RC ladder, low-dropout regulator, frequency compensation

Autoři

KADLČÍK, L.; HORSKÝ, P.

Vydáno

16. 5. 2016

Nakladatel

Společnost pro radioelektronické inženýrství

Místo

Brno

ISSN

1805-9600

Periodikum

Radioengineering

Ročník

25

Číslo

2

Stát

Česká republika

Strany od

312

Strany do

320

Strany počet

9

URL

http://www.radioeng.cz/fulltexts/2016/16_02_0312_0320.pdf

BibTex

@article{BUT126650,
  author="Libor {Kadlčík} and Pavel {Horský}",
  title="A Low-Dropout Voltage Regulator with a Fractional-Order Control",
  journal="Radioengineering",
  year="2016",
  volume="25",
  number="2",
  pages="312--320",
  doi="10.13164/re.2016.0312",
  issn="1805-9600",
  url="http://www.radioeng.cz/fulltexts/2016/16_02_0312_0320.pdf"
}