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LTC1706-81 Datasheet(PDF) 1 Page - Linear Technology |
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LTC1706-81 Datasheet(HTML) 1 Page - Linear Technology |
1 / 8 page 1 LTC1706-81 APPLICATIO S FEATURES DESCRIPTIO TYPICAL APPLICATION 5-Bit VID-Controlled High Current 4-Phase Application (Simplified Block Diagram) 5-Bit Desktop VID Voltage Programmer s 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) s Programs a Wide Range of Linear Technology DC/DC Converters with a 0.8V Reference s Fully Compliant with the Intel Pentium ® Processor Desktop VID Specification s ±0.25% Accurate Output Voltage s Built-In 40k Pull-Up Resistors on VID Inputs s Available in MSOP-10 Package The LTC ®1706-81 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 Linear Technology DC/DC converters in full compliance with the Intel Desktop (VRM 8.4) VID specification. The LTC1706-81 programs the following Linear Technology DC/DC converter products: LTC1622, LTC1628, LTC1629, LTC1702, LTC1735, LTC1735-1, LTC1772 and LTC1929. (Consult factory for future com- patible DC/DC converter products.) s Intel Pentium II and III Processor Power Supply s AMD Athlon TM Processor Power Supply s Workstations and Servers s Large Memory Array Supply 1706-81 TA01 L1 RSENSE1 VIN VIN 4.5V TO 22V VIN 4.5V TO 22V LTC1629 INTVCC VDIFFOUT SGND EAIN COUT VIN TG1 SW1 BG1 PGND + VOUT 1.3V TO 3.5V UP TO 70A VID0 VID1 VID2 VID3 VID4 VCC LTC1706-81 GND SENSE FB FROM µP L2 RSENSE2 L3 RSENSE3 VIN LTC1629 SGND EAIN VIN TG1 SW1 BG1 PGND L4 RSENSE4 TG2 SW2 BG2 TG2 SW2 BG2 , LTC and LT are registered trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation. AMD Athlon is a trademark of Advanced Micro Devices, Inc. |
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