LTC1706-81

PRODUCTION

5-Bit Desktop VID Voltage Programmer

Part Models: 2
1ku List Price: Starting From $2.99

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Overview

Programs Regulator Output Voltage Range from 1.3V to 2.05V in 50mV Steps and from 2.1V to 3.5V in 100mV Steps (VRM 8.4)
Programs a Wide Range of ADI DC/DC Converters with a 0.8V Reference
Fully Compliant with the Intel Pentium^® Processor Desktop VID Specification
±0.25% Accurate Output Voltage
Built-In 40k Pull-Up Resistors on VID Inputs
Available in MSOP-10 Package

The LTC1706-81 is a precision, digitally programmed, resistive ladder which adjusts the output of any 0.8V referenced regulator. Depending on the state of the five VID inputs, an output voltage between 1.3V and 3.5V is programmed in 50mV and 100mV increments.

The LTC1706-81 is designed specifically to program an entire family of ADI DC/DC converters in full compliance with the Intel Desktop (VRM 8.4) VID specification.

The LTC1706-81 programs the following Analog Devices DC/DC converter products: LTC1622, LTC1628, LTC1629, LTC1702, LTC1735, LTC1735-1, LTC1772 and LTC1929. (Consult factory for future compatible DC/DC converter products.)

Applications

Intel Pentium II and III Processor Power Supply
AMD Athlon^™ Processor Power Supply
Workstations and Servers
Large Memory Array Supply

Part Models: 2
1ku List Price: Starting From $2.99

Documentation

Data Sheet 1

LTC1706-81: 5-Bit Desktop VID Voltage Programmer Data Sheet 08/30/2007

Reliability Data 1

R399 Reliability Data 03/26/2018

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC1706EMS-81#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1706EMS-81#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package
		PCN22_0244_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC1706EMS-81#PBF	PRODUCTION
LTC1706EMS-81#TRPBF	PRODUCTION
Feb 4, 2020 - 20_0130 Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0130_Form Material_Report
LTC1706EMS-81#PBF	PRODUCTION
LTC1706EMS-81#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

LTspice 1

LTC1706-81 - Power Control

Models for the following parts are available in LTspice:

LTC1706-19
LTC1706-61
LTC1706-63
LTC1706-81
LTC1706-82
LTC1706-85

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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