需要考虑你的电流输出能力和选择的电流通路大小有关系,通常有以下关系:
1) 输出电流能力 I=CV/Tclk;
2) 电流通路 在tclk/2的时间里, CV charge能够完全从前一级传到后一级;
建议看看这边文章 绝对是pump理论里的milestone之作)
Toru Tanzawa and Tomoharu Tanaka, IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 32, NO. 8, AUGUST 1997
A Dynamic Analysis of the Dickson Charge Pump Circuit
toru_a dynamic analysis of the dickson charge pump circuit.pdf
(260.45 KB, 下载次数: 1049 )
IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 41, NO. 2, FEBRUARY 2006
A Regulated Charge Pump With Small Ripple Voltage and Fast Start-Up
A Regulated Charge Pump With Small Ripple.pdf
(1.17 MB, 下载次数: 1148 )
还有一本专门讲pump design的书 论坛已经有很好的版本0
http://bbs.eetop.cn/viewthread.php?tid=145840&highlight=charge%2Bpump
希望对你有帮助。. |