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LTC1706-85

Linear Technology
Part Number LTC1706-85
Manufacturer Linear Technology
Description VID Voltage Programmer
Published Nov 22, 2006
Detailed Description www.DataSheet4U.com LTC1706-85 VID Voltage Programmer for Intel VRM 8.5 FEATURES s s DESCRIPTIO s s s s Fully Comp...
Datasheet PDF File LTC1706-85 PDF File

LTC1706-85
LTC1706-85

Overview
www.
DataSheet4U.
com LTC1706-85 VID Voltage Programmer for Intel VRM 8.
5 FEATURES s s DESCRIPTIO s s s s Fully Compliant with the Intel VRM 8.
5 VID Specification Programs Regulator Output Voltage from 1.
05V to 1.
825V in 25mV Steps Programs an Entire Family of Linear Technology DC/DC Converters with 0.
8V References ± 0.
25% Voltage Programming Accuracy Built-In 40k Pull-Up Resistors on Program Inputs Available in MSOP-10 Packaging The LTC®1706-85 is a precision, digitally programmed resistive ladder which adjusts the output of any 0.
8Vreferenced regulator.
Depending on the state of the five VID inputs, an output voltage between 1.
05V and 1.
825V is programmed in 25mV increments.
The LTC1706-85 is designed specifically to program an entire family of Linear Technology DC/DC converters in full compliance with the Intel Voltage Regulator Module (VRM) 8.
5 specification.
The LTC1706-85 programs the following Linear Technology DC/DC converter products: LTC1622, LTC1628, LTC1629, LTC1702, LTC1735, LTC1735-1, LTC1772, LTC1773, LTC1778, LTC1929, LTC3728 and LTC3729.
Consult factory for additional DC/DC converter products compatible with the LTC1706-85.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Pentium is a registered trademark of Intel Corporation.
U APPLICATIO S s s s Server/Desktop Computers Multiprocessor Workstations and Servers Multiphase Processor Power Supply TYPICAL APPLICATIO VID Controlled High Current 4-Phase DC/DC Converter (Simplified Block Diagram) VIN 4.
5V TO 22V VOS+ INTVCC VID25 VID0 FROM µP VCC SENSE LTC1629 VDIFFOUT SGND FB GND EAIN ITH CLKOUT TG2 SW2 BG2 VIN 4.
5V TO 22V PLLIN LTC1929 VIN TG1 SW1 BG1 PGND SGND EAIN ITH NOTE: UP TO SIX LTC1629s/LTC1929s CAN BE PARALLELED TO DELIVER AS MUCH AS 200A TG2 SW2 BG2 1706-85 TA01 VOS– VIN TG1 SW1 BG1 PGND VIN RSENSE1 VOUT 1.
05V TO 1.
825V UP TO 80A COUT VID1 LTC1706-85 VID2 VID3 RSENSE2 RSENSE3 VIN RSENSE4 U + 170685f U 1 LTC1706-85 ABSOLUTE (Notes 1, 2) AXI U RATI GS...


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