A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer

Po Yu Kuo, Dian Zhou, Zhi-Ming Lin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Power management is necessary to reduce the standby power of portable electronics such as cellular phones, pagers, laptops, etc. The LDO (low-dropout regulator) is one of the most popular DC-DC converters widely used in power management and the demand for LDO is increasing by the growing demand for their applications. For Li-Ion battery of portable devices the input voltage generally varies from 2.7V to 4.2V, this paper demonstrates a 59mA LDO with input voltage operating from 2V to 3.52V. Simulated in 0.35μm CMOS technology, the LDO only use 1Ω effective series resistance (ESR). With a 2.3μF output capacitor and quiescent current 56μA, the maximum transient-output variation (overshoot voltage) is 58.98mV with full-load step change of 59mA.

Original languageEnglish
Title of host publicationIEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007
Pages473-476
Number of pages4
DOIs
Publication statusPublished - 2007 Dec 1
EventIEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007 - Tainan, Taiwan
Duration: 2007 Dec 202007 Dec 22

Other

OtherIEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007
CountryTaiwan
CityTainan
Period07-12-2007-12-22

Fingerprint

Buffers
Electric potential
DC-DC converters
Capacitors
Electronic equipment
Power management
Lithium-ion batteries

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Kuo, P. Y., Zhou, D., & Lin, Z-M. (2007). A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer. In IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007 (pp. 473-476). [4450165] https://doi.org/10.1109/EDSSC.2007.4450165
Kuo, Po Yu ; Zhou, Dian ; Lin, Zhi-Ming. / A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer. IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007. 2007. pp. 473-476
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abstract = "Power management is necessary to reduce the standby power of portable electronics such as cellular phones, pagers, laptops, etc. The LDO (low-dropout regulator) is one of the most popular DC-DC converters widely used in power management and the demand for LDO is increasing by the growing demand for their applications. For Li-Ion battery of portable devices the input voltage generally varies from 2.7V to 4.2V, this paper demonstrates a 59mA LDO with input voltage operating from 2V to 3.52V. Simulated in 0.35μm CMOS technology, the LDO only use 1Ω effective series resistance (ESR). With a 2.3μF output capacitor and quiescent current 56μA, the maximum transient-output variation (overshoot voltage) is 58.98mV with full-load step change of 59mA.",
author = "Kuo, {Po Yu} and Dian Zhou and Zhi-Ming Lin",
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Kuo, PY, Zhou, D & Lin, Z-M 2007, A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer. in IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007., 4450165, pp. 473-476, IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007, Tainan, Taiwan, 07-12-20. https://doi.org/10.1109/EDSSC.2007.4450165

A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer. / Kuo, Po Yu; Zhou, Dian; Lin, Zhi-Ming.

IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007. 2007. p. 473-476 4450165.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - Power management is necessary to reduce the standby power of portable electronics such as cellular phones, pagers, laptops, etc. The LDO (low-dropout regulator) is one of the most popular DC-DC converters widely used in power management and the demand for LDO is increasing by the growing demand for their applications. For Li-Ion battery of portable devices the input voltage generally varies from 2.7V to 4.2V, this paper demonstrates a 59mA LDO with input voltage operating from 2V to 3.52V. Simulated in 0.35μm CMOS technology, the LDO only use 1Ω effective series resistance (ESR). With a 2.3μF output capacitor and quiescent current 56μA, the maximum transient-output variation (overshoot voltage) is 58.98mV with full-load step change of 59mA.

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Kuo PY, Zhou D, Lin Z-M. A low-dropout regulator with low ESR, low line regulation and high currency efficiency using low output-resistance voltage buffer. In IEEE Conference on Electron Devices and Solid-State Circuits 2007, EDSSC 2007. 2007. p. 473-476. 4450165 https://doi.org/10.1109/EDSSC.2007.4450165