片上500μA双链Dickson电荷泵优化NMOS LDO供电

2014 International Semiconductor Conference (CAS) Pub Date : 2014-10-01 DOI:10.1109/SMICND.2014.6966443

Florin Bîzîitu, M. Serban, Cristian Murtaza

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引用次数: 4

摘要

所提出的电路是双链Dickson型电荷泵，利用有源和无源电荷转移开关，以实现功率效率，电路复杂性和设备可靠性之间的折衷。该电荷泵能够在10V输出电压下提供高达500μA的电流，为两个NMOS低降差(LDO)线性稳压器的误差放大器供电，作为高集成度汽车IC的一部分。

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On-chip 500μA dual-chain Dickson charge pump optimized for NMOS LDO supply

The proposed circuit is a dual-chain Dickson type charge pump making use of both active and passive charge transfer switches in order to achieve a compromise between power efficiency, circuit complexity and device reliability. The charge pump is capable of sourcing up to 500μA at 10V output voltage for supplying the error amplifiers of two NMOS Low Drop Out (LDO) linear regulators as part of a high integration automotive IC.

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来源期刊

2014 International Semiconductor Conference (CAS)

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