0.25 mm CMOS, 7 ppm/°C, 8 ma静态电流，±5 ma输出电流低降稳压器

2013 Proceedings of the ESSCIRC (ESSCIRC) Pub Date : 2013-10-31 DOI:10.1109/ESSCIRC.2013.6649081

F. Conso, G. Rescio, M. Grassi, C. Ribellino, G. Billè, A. Rizzo, S. Petenyi, S. Privitera, P. Malcovati

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引用次数: 1

摘要

本文提出了一种低压差稳压器，能够在-40°C至+125°C的温度范围内，以低至8 μA的静态电流向负载提供±5 mA，温度系数等于7 ppm/°C。输出电压为1.25 V或1.8 V，输入电压为1.8 V ~ 5.5 V。双极输出电流是通过一个ab类误差放大器和一个基于线性环的静态电流控制电路来实现的。具有曲率补偿的电流型带隙电路保证了低温系数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 0.25-mm CMOS, 7-ppm/°C, 8-mA quiescent current, ±5-mA output current low-dropout voltage regulator

This paper presents a low-dropout voltage regulator capable of delivering ±5 mA to the load with a quiescent current as low as 8 μA and a temperature coefficient equal to 7-ppm/°C, over a temperature range from -40 °C to +125 °C. The output voltage can be either 1.25 V or 1.8 V, while the input voltage can range from 1.8 V to 5.5 V. The bipolar output current is achieved by using a class-AB error amplifier with a quiescent current control circuit based on a translinear loop. The low temperature coefficient is guaranteed by a current mode bandgap circuit with curvature compensation.

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2013 Proceedings of the ESSCIRC (ESSCIRC)

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