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2011•Unpublished venueRequires access

A novel frequency compensation scheme for on-chip low-dropout voltage regulators

Mortaza Mojarad, Mohammad Yavari

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Abstract

A new frequency compensation scheme for linear low-dropout (LDO) voltage regulators with on-chip applications is presented in this paper. The proposed compensation technique uses a single capacitor of only 70 fF, making it suitable for system-on-chip (SoC) applications. The presented low-dropout regulator operates from a supply voltage of 1.8 V to 3 V with dropout voltage of 200 mV. The maximum output current of this LDO regulator is 100 mA with a quiescent current of 25 μA and it is simulated in a 0.35 μm CMOS technology.

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What this paper is about

A new frequency compensation scheme for linear low-dropout (LDO) voltage regulators with on-chip applications is presented in this paper. The proposed compensation technique uses a single capacitor of only 70 fF, making it suitable for system-on-chip (SoC) applications. The presented low-dropout regulator operates from a supply voltage of 1.8 V to 3 V with dropout voltage of 200 mV. The maximum output current of this LDO regulator is 100 mA with a quiescent current of 25 μA and it is simulated in a 0.35 μm CMOS technology.

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Available abstract

A new frequency compensation scheme for linear low-dropout (LDO) voltage regulators with on-chip applications is presented in this paper. The proposed compensation technique uses a single capacitor of only 70 fF, making it suitable for system-on-chip (SoC) applications. The presented low-dropout regulator operates from a supply voltage of 1.8 V to 3 V with dropout voltage of 200 mV. The maximum output current of this LDO regulator is 100 mA with a quiescent current of 25 μA and it is simulated in a 0.35 μm CMOS technology.

Key concepts: Low-dropout regulator, Dropout voltage, Frequency compensation, Dropout (neural networks), CMOS, Voltage regulator, Capacitor, Compensation (psychology)

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