ESD protection circuit for charge pump and electronic device...

Details ESD protection circuit for charge pump and electronic device... ESD protection circuit for charge pump and electronic device...

2007-07-10

2007-07-10

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

Reexamination Certificate

active

10968243

ABSTRACT:
An ESD protection circuit for a charge pump circuit, wherein the charge pump circuit provides a first voltage pin and a second voltage pin, and the absolute value of a voltage provided by the first voltage pin being greater than or equal to the absolute value of a voltage provided by the second voltage pin, and the two voltages have the same phase. The ESD protection circuit comprises a first diode reversely connected between the second voltage pin and ground, and a second diode reversely connected between the second voltage pin and the first voltage pin.

REFERENCES:
patent: 5777367 (1998-07-01), Zambrano
patent: 5859632 (1999-01-01), Ito
patent: 6118640 (2000-09-01), Kwong
patent: 6452086 (2002-09-01), Muller
patent: 2002/0105512 (2002-08-01), Kwon

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