Integrated circuit dual polarity high voltage multiplier for ext

Electric power conversion systems – Current conversion – With voltage multiplication means

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Details

363 65, 307110, H02M 318

Patent

active

044854331

ABSTRACT:
Disclosed is an on-chip, dual polarity high voltage multiplier circuit consisting of a main high positive voltage multiplier and high negative voltage multiplier and an auxiliary high negative voltage multiplier coupled to the main multipliers to prevent turning on of parasitic transistors associated with the MOS diodes of the main multipliers and thereby extend the operating temperature range to 150.degree. C. and improve the fall time of the dual polarity multiplier. The auxiliary multiplier may be located in a common p-well with the main positive and negative multipliers or with the main negative multiplier and its output voltage is connected to this common well.

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