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LX1670 - 5 - BIT PROGRAMMABLE VOTAGE REFERENCE

Description

The LX1670 is a complete precision reference and voltage monitor circuit for the Intel Pentium® Pro Processor and other high-end microprocessor supplies.

It is designed for use in conjunction with the LX1660/1661 PWM controller.

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Full PDF Text Transcription

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LIN D O C #: 1670 LX1670 5 - B I T P R O G R A M M A B L E V O L TA G E R E F E R E N C E T H E I N F I N I T E P O W E R O F I N N O VA T I O N P R O D U C T I O N D A T A S H E E T DESCRIPTION The LX1670 is a complete precision reference and voltage monitor circuit for the Intel Pentium® Pro Processor and other high-end microprocessor supplies. It is designed for use in conjunction with the LX1660/1661 PWM controller. The LX1670 reads a 5-bit voltage identification (VID) code from the microprocessor and sets the output voltage reference to be used by the LX1660/61 controller. Together, they convert +5 or 12V input power to an adjustable output ranging from 1.8VDC to 3.5VDC in 100mV steps (50mV steps below 2.1V) with 1% DC system accuracy.
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