A high-PSRR bandgap reference voltage and startup circuit design

In this paper, a low power startup circuit is designed to ensure the circuit can be started with a supply voltage of 2.8-6V. The performance of the circuit is guaranteed by the use of a series of trimming circuits. The circuit adopts 180nm BCD technology and operates at a 5V power supply voltage. Simulation results show that the temperature coefficient is 1.3ppm/°C from -40 °C to 125 °C. In low frequencies, the power supply rejection ratio is 110dB. In the range of 2.8V-6V power supply voltage, the output reference voltage value is 2.501V.

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Publication Details

Published
2024-09-30
DOI
https://doi.org/10.1117/12.3044969
Primary Topic
Analog and Mixed-Signal Circuit Design
Type
article
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article

A high-PSRR bandgap reference voltage and startup circuit design

Jingying Wu, lan dai
Analog and Mixed-Signal Circuit Design
article

A high-PSRR bandgap reference voltage and startup circuit design

Jingying Wu, lan dai
article en

Abstract

In this paper, a low power startup circuit is designed to ensure the circuit can be started with a supply voltage of 2.8-6V. The performance of the circuit is guaranteed by the use of a series of trimming circuits. The circuit adopts 180nm BCD technology and operates at a 5V power supply voltage. Simulation results show that the temperature coefficient is 1.3ppm/°C from -40 °C to 125 °C. In low frequencies, the power supply rejection ratio is 110dB. In the range of 2.8V-6V power supply voltage, the output reference voltage value is 2.501V.

North China University of Technology (CN)
Openalex Percentile: Top 85%
Analog and Mixed-Signal Circuit Design
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A high-PSRR bandgap reference voltage and startup circuit design — Jingying Wu, lan dai · (2024) | TGRS Research Map | TGRS