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LTC1706-81 Datasheet(PDF) 2 Page - Linear Technology

Part No. LTC1706-81
Description  5-Bit Desktop VID Voltage Programmer
Download  8 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1706-81 Datasheet(HTML) 2 Page - Linear Technology

   
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LTC1706-81
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Operating Supply Voltage Range
2.7
5.5
V
IVCC
Supply Current
(Note 3)
0.1
5
µA
RFB-SENSE
Resistance Between SENSE and FB
q
12
20
28
k
VOUT Error % Output Voltage Accuracy
Programmed from 1.3V to 2.05V (VID4 = 0)
q
– 0.25
+ 0.25
%
Programmed from 2.1V to 3.5V (VID4 = 1)
q
– 0.35
+ 0.25
%
RPULLUP
VID Input Pull-Up Resistance
VDIODE = 0.6V (Note 4)
40
k
VIDTH
VID Input Voltage Threshold
VIL (2.7V ≤ VCC ≤ 5.5V)
0.4
V
VIH (2.7V ≤ VCC ≤ 5.5V)
1.6
V
IVID-LEAK
VID Input Leakage Current
VCC < VID < 7V (Note 4)
0.01
±1
µA
VPULLUP
VID Pull-Up Voltage
VCC = 3.3V
2.8
V
VCC = 5V
4.5
V
LTC1706EMS-81
TJMAX = 110°C, θJA = 120°C/ W
(Note 1)
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
Consult factory for Industrial and Military grade parts.
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.
(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
1
2
3
4
5
VID0
VID1
VID2
VID3
VCC
10
9
8
7
6
FB
GND
NC
VID4
SENSE
TOP VIEW
MS10 PACKAGE
10-LEAD PLASTIC MSOP
ORDER PART
NUMBER
MS10
PART MARKING
LTLR
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.)


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