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Author:

陈志杰 (陈志杰.) | 彭宇轩 (彭宇轩.) | 万培元 (万培元.) | 李岸洲 (李岸洲.) | 刘颖达 (刘颖达.) | 王浩东 (王浩东.) | 梁建烨 (梁建烨.)

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incoPat

Abstract:

本发明公开了一种基于电压比较器的低功耗轻重负载转换LDO电路,由偏置电路、误差放大器、缓冲器、比较器、反相器以及传输门开关等模块组成;静态电流在几百纳安范围内,并且在此基础上增加了负载检测功能,实现轻载与重载之间的转换,以达到快速响应的特性,电路结构采用零输入轨到轨缓冲器,以及输出电压偏移和基于差分翻转电压跟随器用于驱动栅极。自适应偏置的误差放大器模块,实现了电流限制和在高负载和中等负载时对输出电流的线性控制。偏置电路的反馈信号是误差放大器的输出,而不是通过栅极的电压电路,从而将轻负载下的纳安级偏置与跟随器同时作用,以实现快速输出电流瞬变的作用。

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Patent Info :

Type: 发明申请

Patent No.: CN202211106326.3

Filing Date: 2022-09-11

Publication Date: 2022-11-11

Pub. No.: CN115328255A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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