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Patent Searching and Data


Title:
HIGH VOLTAGE HIGH SPEED AMPLIFIER USING FLOATING HIGH SIDE STRUCTURE
Document Type and Number:
WIPO Patent Application WO2005020431
Kind Code:
A3
Abstract:
An integrated high-voltage linear amplifier IC with reduced power dissipation, faster operation, and small die size, comprising a low side well and a floating high side well; an error amplifier for receiving a noise signal; a level shifting circuit in the low side well for outputting a current mode error signal based on the noise signal to the high side well in differential current mode for noise reduction; and a drive circuit in the high side well. A voltage/current converter receives a voltage mode error signal based on the noise signal and supplies the current input signal. Current mirror circuitry and the drive circuit in the high side well outputs a sum current derived from the current mode error signal for driving external power devices.

Inventors:
HONDA JUN (US)
JEONG JONG-DEOG (US)
Application Number:
PCT/US2004/026853
Publication Date:
September 01, 2005
Filing Date:
August 18, 2004
Export Citation:
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Assignee:
INT RECTIFIER CORP (US)
HONDA JUN (US)
JEONG JONG-DEOG (US)
International Classes:
G03B1/00; H03B1/00; H03F; (IPC1-7): G03B1/00
Foreign References:
US6211706B12001-04-03
US5933034A1999-08-03
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