LT6110
Cable/Wire Drop
Compensator
Fea T Descrip T
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Improve Voltage Regulation to a Remote Load by 10 The LT 6110 is a precision high side current sense with a
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Ideal for Resistor-Adjustable Voltage Regulators current mode output, designed for controlling the output
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Gain Configurable with a Single Resistor voltage of an adjustable power supply or voltage regulator.
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High Side Current Sensing: This can be used to compensate for drops in voltage at
Integrated 20m Sense Resistor for Up to 3A a remote load due to resistance in a wire, trace or cable.
Ability to Use an External Sense Resistor
The LT6110 monitors load current via a series-connected
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300V Maximum Input Offset Voltage
internal or external sense resistor. Two current mode out-
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Output Current Accuracy of 1% Maximum
puts, one sinking and one sourcing, are provided that are
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30A Maximum Supply Current
proportional to the load current. This allows the LT6110 to
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2V to 50V Supply Range
adjust the output voltage of a wide variety of regulators.
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Fully Specified from 40C to 125C
Either output may be used to monitor the load current.
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Available in Low Profile (1mm) ThinSOT and
Low DC offset allows for the use of a small sense resis-
(2mm 2mm) DFN Packages
tor, as well as precise control of small variations in wire
voltage drop.
a T
L, LT, LTC, LTM, Linear Technology, the Linear logo and Module are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
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Automotive and Industrial Power Distribution
property of their respective owners.
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USB Power
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DC/DC Converters
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Plug-In DC Adapters
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Power over Ethernet
Typical a T
R
WIRE
I V
LOAD
V LOAD
REG
V IN OUT
IN
REGULATOR
R
IN
REMOTE
FB
+
LOAD
+IN V RS IN
5V
GND
V UNCOMPENSATED
LOAD
LT6110
IOUT
6110 TA01
5V
V COMPENSATED
LOAD
2A
I
LOAD
1A
IMON V
200s/DIV
6110fa
1
For more information www.linear.com/LT6110
500mV/DIV
+
ion pplica
ions pplica
ion uresLT6110
a Te Maxi Mu M r a T (Note 1)
+
Total Supply Voltage (V to V ) .................................55V Specified Temperature Range (Note 3)
+
+IN, IN, IOUT, IMON to V Voltage ............................ V LT6110I ................................................40C to 85C
+IN, -IN, IOUT, IMON Current .................................10mA LT6110H ............................................. 40C to 125C
IOUT to IMON Voltage ....................................36V, 0.6V Junction Temperature .......................................... 150C
+
V , +IN to IOUT Voltage .............................................36V Storage Temperature Range .................. 65C to 150C
+
Differential Input Voltage ............................................ V Lead Temperature (Soldering, 10 sec)
R Current (Note 2) TS8 ...................................................................300C
SENSE
Continuous .............................................................3A
Transient (<0.1 Second) ..........................................5A
p c F T
TOP VIEW
TOP VIEW
+IN 1 8 NC*
NC* 1 8 +IN
+
V 2 7 IOUT
9
+
IOUT 2 7 V
V
RS 3 6 IMON
IMON 3 6 RS
IN 4 5 V
V 4 5 IN
TS8 PACKAGE
DC PACKAGE
8-LEAD PLASTIC TSOT-23
8-LEAD (2mm 2mm) PLASTIC DFN
T = 150C, = 195C/W
JMAX JA
T = 150C, = 80.6C/W
JMAX JA
*NC PIN NOT INTERNALLY CONNECTED
EXPOSED PAD (PIN 9) IS V , MUST BE SOLDERED TO PCB
*NC PIN NOT INTERNALLY CONNECTED
o r D i n F Ma T
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT6110ITS8#TRMPBF LT6110ITS8#TRPBF LTGCQ 8-Lead Plastic TSOT-23 40C to 85C
LT6110HTS8#TRMPBF LT6110HTS8#TRPBF LTGCQ 8-Lead Plastic TSOT-23 40C to 125C
LT6110IDC#TRMPBF LT6110IDC#TRPBF LGCP 8-Lead (2mm 2mm) Plastic DFN 40C to 85C
LT6110HDC#TRMPBF LT6110HDC#TRPBF LGCP 8-Lead (2mm 2mm) Plastic DFN 40C to 125C
TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on lead based finish parts.
For more information on lead free part marking, go to: