LTC1706EMS-81 查看數據表（PDF） - Linear Technology

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LTC1706EMS-81

5-Bit Desktop VID Voltage Programmer

Linear Technology 

LTC1706-81

ABSOLUTE MAXIMUM RATINGS

(Note 1)

(Voltages Referred to GND Pin)

Input Supply Voltage (VCC) ..........................– 0.3V to 7V

VID Input Pins .............................................– 0.3V to 7V

SENSE Pin ...................................................– 0.3V to 7V

FB Pin ..........................................................– 0.3V to 7V

Operating Temperature Range (Note 2) .. – 40°C to 85°C

Junction Temperature ........................................... 110°C

Storage Temperature Range ................. – 65°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300°C

PACKAGE/ORDER INFORMATION

TOP VIEW

VID0 1

VID1 2

VID2 3

VID3 4

VCC 5

10 FB

9 GND

8 NC

7 VID4

6 SENSE

MS10 PACKAGE

10-LEAD PLASTIC MSOP

ORDER PART

NUMBER

LTC1706EMS-81

MS10

PART MARKING

TJMAX = 110°C, θJA = 120°C/ W

LTLR

Consult factory for Industrial and Military grade parts.

ELECTRICAL CHARACTERISTICS

The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.

2.7V ≤ VCC ≤ 5.5V, VID0 = VID1 = VID2 = VID3 = VID4 = NC unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

VCC

IVCC

RFB-SENSE

VOUT Error %

RPULLUP

VIDTH

IVID-LEAK

VPULLUP

Operating Supply Voltage Range

Supply Current

Resistance Between SENSE and FB

Output Voltage Accuracy

VID Input Pull-Up Resistance

VID Input Voltage Threshold

VID Input Leakage Current

VID Pull-Up Voltage

(Note 3)

Programmed from 1.3V to 2.05V (VID4 = 0)

Programmed from 2.1V to 3.5V (VID4 = 1)

VDIODE = 0.6V (Note 4)

VIL (2.7V ≤ VCC ≤ 5.5V)

VIH (2.7V ≤ VCC ≤ 5.5V)

VCC < VID < 7V (Note 4)

VCC = 3.3V

VCC = 5V

2.7

5.5

V

0.1 5

µA

q 12 20 28

kΩ

q – 0.25

q – 0.35

+ 0.25

%

+ 0.25

%

40

kΩ

0.4

V

1.6

V

0.01 ±1

µA

2.8

V

4.5

V

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: The LTC1706-81 is guaranteed to meet performance specifications

from 0°C to 70°C. Specifications over the – 40°C to 85°C operating

temperature range are assured by design, characterization and correlation

with statistical process controls.

Note 3: With all five VID inputs floating, the VCC supply current is simply

the device leakage current. However, the VCC supply current will rise and

be approximately equal to the number of grounded VID input pins times

(VCC – 0.6V)/40k. (See the VID Input Characteristics section for more

details.)

Note 4: Each built-in pull-up resistor attached to the VID inputs also has a

series diode connected to VCC to allow input voltages higher than the VCC

supply without damage or clamping. (See Operation section for further

details.)

2

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