Product Information

LTC1706EMS-85

LTC1706EMS-85 electronic component of Analog Devices

Datasheet
Power Management Specialised - PMIC LTC1706-85 - VID Voltage Programmer for Intel VRM 8.5

Manufacturer: Analog Devices
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MOQ : 1
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LTC1706EMS-85
Analog Devices

1 : USD 11.1562
10 : USD 9.6743
25 : USD 9.2247
N/A

Obsolete
0 - Global Stock


Multiples : 1

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LTC1706EMS-85
Analog Devices

N/A

Obsolete
     
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LTC1706-85 VID Voltage Programmer for Intel VRM 8.5 FEATURES DESCRIPTIO n Fully Compliant with the Intel VRM 8.5 VID The LTC 1706-85 is a precision, digitally programmed Specification resistive ladder which adjusts the output of any 0.8V- n Programs Regulator Output Voltage from 1.05V to referenced regulator. Depending on the state of the five 1.825V in 25mV Steps VID inputs, an output voltage between 1.05V and 1.825V n Programs an Entire Family of Linear Technology is programmed in 25mV increments. DC/DC Converters with 0.8V References The LTC1706-85 is designed specifically to program an n 0.25% Voltage Programming Accuracy entire family of Linear Technology DC/DC converters in full n Built-In 40k Pull-Up Resistors on Program Inputs compliance with the Intel Voltage Regulator Module (VRM) n Available in MSOP-10 Packaging 8.5 specification. U The LTC1706-85 programs the following Linear Technol- APPLICATIO S ogy DC/DC converter products: LTC1622, LTC1628, LTC1629, LTC1702, LTC1735, LTC1735-1, LTC1772, n Server/Desktop Computers LTC1773, LTC1778, LTC1929, LTC3728 and LTC3729. n Multiprocessor Workstations and Servers n Multiphase Processor Power Supply 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. TYPICAL APPLICATIO VID Controlled High Current 4-Phase DC/DC Converter (Simplified Block Diagram) V IN 4.5V TO 22V + V V V OS OS IN TG1 INTV CC R SENSE1 V OUT SW1 1.05V TO 1.825V V CC LTC1629 VID25 + UP TO 80A BG1 C OUT VID0 SENSE V V DIFFOUT IN PGND FROM VID1 LTC1706-85 SGND P TG2 VID2 FB EAIN R SENSE2 SW2 VID3 I TH GND CLKOUT BG2 V IN 4.5V TO 22V PLLIN V IN LTC1929 TG1 R SENSE3 SW1 BG1 V IN PGND SGND TG2 EAIN R SENSE4 SW2 I TH BG2 NOTE: UP TO SIX LTC1629s/LTC1929s CAN BE PARALLELED 1706-85 TA01 TO DELIVER AS MUCH AS 200A 170685f 1 U ULTC1706-85 UUW ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Notes 1, 2) ORDER PART Input Supply Voltage (V ) ..........................0.3V to 7V CC NUMBER TOP VIEW VID Input Pins .............................................0.3V to 7V VID25 1 10 FB SENSE Pin ...................................................0.3V to 7V LTC1706EMS-85 VID0 2 9 GND VID1 3 8 NC FB Pin ..........................................................0.3V to 7V VID2 4 7 VID3 Operating Temperature Range (Note 3) .. 40 C to 85 C V 5 6 SENSE CC MS MS PACKAGE Junction Temperature........................................... 110 C 10-LEAD PLASTIC MSOP PART MARKING Storage Temperature Range ................. 65 C to 150 C T = 110 C, q = 200 C/W JMAX JA Lead Temperature (Soldering, 10 sec).................. 300 C LTYQ Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T = 25 C. A 2.7V V 5.5V, VID25 = VID0 = VID1 = VID2 = VID3 = NC unless otherwise noted. (Note 3) CC SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V Operating Supply Voltage Range 2.7 5.5 V CC I Supply Current (Note 4) 1 10 m A VCC R Resistance Between SENSE and FB l 610 14 kW FB1 V Output Voltage Accuracy 1.050 V 1.825V l 0.25 0.25 % OUT(ERROR) SENSE R Pull-Up Resistance on VID V = 0.6V (Note 5) 28 40 56 kW PULLUP DIODE V Minimum High Level Input Voltage (VID Inputs) V = 3.3V 2 V IH CC V Maximum Low Level Input Voltage (VID Inputs) V = 3.3V 0.8 V IL CC I Input Leakage Current (VID Inputs) V < VID < 7V (Note 5) 0.01 1 m A IN CC Note 1: Absolute Maximum Ratings are those values beyond which the life depending on the number of grounded VID lines. Each grounded VID line of a device may be impaired. will draw approximately (V 0.6)/40 mA. If the VID inputs are left CC unconnected, they will float to V at a rate controlled by parasitic Note 2: All voltages are with respect to GND pin. CC capacitance. Until the VID inputs reach their final states, slightly higher Note 3: The LTC1706-85 is guaranteed to meet performance specifications I current may be observed. (See the Operation section for more detail.) VCC from 0 C to 70 C. Specifications over the 40 C to 85 C operating Note 5: Each built-in pull-up resistor attached to the VID inputs also has a temperature range are assured by design, characterization and correlation series diode connected to V to allow input voltages higher than the V with statistical process controls. CC CC supply without damage or clamping. (See Operation section for further Note 4: Supply current is specified with all VID inputs floating. Due to the details.) internal pull-ups on the VID pins, the supply current will increase 170685f 2 U WWW

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
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