发明申请
- 专利标题: Voltage Buffer for Capacitive Loads
- 专利标题(中): 电容负载电压缓冲器
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申请号: US11620001申请日: 2007-01-04
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公开(公告)号: US20070103227A1公开(公告)日: 2007-05-10
- 发明人: Shahzad Khalid
- 申请人: Shahzad Khalid
- 主分类号: G05F1/10
- IPC分类号: G05F1/10
摘要:
A voltage buffer for capacitive loads isolates the load from the feedback loop. Using a variation of a follower arrangement, a second transistor outside of the feedback loop introduced. The current to the load is supplied through the second transistor, which is connected to have the same control gate level as the transistor in the feedback loop and provide an output voltage based on the reference input voltage. The output voltage is dependent upon the input voltage, but the load is removed from the feedback loop. By removing the load from the feedback loop, the loop is stabilized with only a very small or no compensating capacitor, allowing the quiescent current of the buffer to be reduced and the settling time to be improved. One preferred use of the present invention is to drive the data storage elements of a non-volatile memory.
公开/授权文献
- US07471139B2 Voltage buffer for capacitive loads 公开/授权日:2008-12-30
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