TY - GEN
T1 - A High Power Supply Rejection and Low Noise Low-Dropout Regulator for Voltage Controlled Oscillator
AU - Wu, Shuoshuo
AU - Guo, Zhuoqi
AU - Xue, Zhongming
AU - Wang, Xiaoli
AU - Geng, Li
N1 - Publisher Copyright:
© 2021 IEEE.
PY - 2021
Y1 - 2021
N2 - Low-dropout regulator (LDO) is normally used to provide good supply quality for voltage controlled oscillator (VCO). In this work, the requirements of PSR and output noise of LDO are analyzed and obtained by restricting the deterioration of VCO's phase noise. Then the PSR of the LDO is modeled and a method to get high PSR and low output noise LDO is proposed. Finally, a capacitor-less LDO is designed by using the proposed method with a standard 28 nm CMOS process. The PSRs of designed LDO are-81 dB at 10 kHz and-41 dB at 1 MHz, respectively. The integrated noise is 3.9 μVrms among the frequency range of 10 Hz ~ 100 kHz. The LDO has a small output capacitor of 15 pF, and the quiescent current is only 100 μA.
AB - Low-dropout regulator (LDO) is normally used to provide good supply quality for voltage controlled oscillator (VCO). In this work, the requirements of PSR and output noise of LDO are analyzed and obtained by restricting the deterioration of VCO's phase noise. Then the PSR of the LDO is modeled and a method to get high PSR and low output noise LDO is proposed. Finally, a capacitor-less LDO is designed by using the proposed method with a standard 28 nm CMOS process. The PSRs of designed LDO are-81 dB at 10 kHz and-41 dB at 1 MHz, respectively. The integrated noise is 3.9 μVrms among the frequency range of 10 Hz ~ 100 kHz. The LDO has a small output capacitor of 15 pF, and the quiescent current is only 100 μA.
KW - low-dropout (LDO) regulator
KW - phase noise (PN)
KW - power-supply rejection (PSR)
KW - voltage controlled oscillator (VCO)
UR - https://www.scopus.com/pages/publications/85124797209
U2 - 10.1109/ICTA53157.2021.9661664
DO - 10.1109/ICTA53157.2021.9661664
M3 - 会议稿件
AN - SCOPUS:85124797209
T3 - 2021 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2021
SP - 84
EP - 85
BT - 2021 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2021
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2021 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2021
Y2 - 24 November 2021 through 26 November 2021
ER -