LOW-DROPOUT REGULATOR WITH DYNAMIC POLE TRACKING CIRCUIT FOR IMPROVED STABILITY

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United States of America Patent

SERIAL NO

15387678

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Abstract

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A low-dropout regulator, including: a dynamic pole tracking circuit having an active load, a voltage-to-current converter, a current amplifier, a bias circuit, a regulating transistor, a first feedback resistor, a second feedback resistor, and a first capacitor. The dynamic pole tracking circuit includes: a first PMOS, a second PMOS, a first resistor, and a second resistor. The voltage-to-current converter includes: a first NMOS, a second NMOS, a third NMOS, a fourth NMOS, a fifth NMOS, a sixth NMOS, a seventh NMOS, an eighth NMOS, a third PMOS, a fourth PMOS, a seventh PMOS, an eighth PMOS. The current amplifier includes: a fifth PMOS, a sixth PMOS, a ninth NMOS, a tenth NMOS, and a third resistor. The bias circuit includes: a ninth PMOS, a tenth PMOS, an eleventh PMOS, an eleventh NMOS, a twelfth NMOS, a thirteenth NMOS, and a fourth resistor.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA611731 NO 2006 WEST AVENUE CHENGDU HI TECH ZONE (WEST DISTRICT SICHUAN) CHENGDU CITY SICHUAN PROVINCE 611731

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LI, Tiansheng Chengdu, CN 54 317
MING, Xin Chengdu, CN 9 14
WANG, Zhuo Chengdu, CN 128 700
XU, Jun Chengdu, CN 1004 7793
ZHANG, Bo Chengdu, CN 1006 7322

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