EXPOSED PAD (PIN 7) IS OUT, MUST BE SOLDERED TO VOUT ON PCB
SEE THE APPLICATIONS INFORMATION SECTION
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C,
θ
JA
= 60°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 9) IS OUT, MUST BE SOLDERED TO VOUT ON PCB
SEE THE APPLICATIONS INFORMATION SECTION
ORDER INFORMATION
LEAD FREE FINISH
LT3085EDCB#PBF
LT3085EMS8E#PBF
LT3085IDCB#PBF
LT3085IMS8E#PBF
LT3085MPMS8E#PBF
LEAD BASED FINISH
LT3085EDCB
LT3085EMS8E
LT3085IDCB
LT3085IMS8E
LT3085MPMS8E
AUTOMOTIVE PRODUCTS**
LEAD FREE FINISH
LT3085EMS8E#WPBF
LT3085IMS8E#WPBF
TAPE AND REEL
LT3085EMS8E#WTRPBF
LT3085IMS8E#WTRPBF
PART MARKING*
LTDQP
LTDQP
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
TAPE AND REEL
LT3085EDCB#TRPBF
LT3085EMS8E#TRPBF
LT3085IDCB#TRPBF
LT3085IMS8E#TRPBF
LT3085MPMS8E#TRPBF
TAPE AND REEL
LT3085EDCB#TR
LT3085EMS8E#TR
LT3085IDCB#TR
LT3085IMS8E#TR
LT3085MPMS8E#TR
PART MARKING*
LDQQ
LTDQP
LDQQ
LTDQP
LTDWQ
PART MARKING*
LDQQ
LTDQP
LDQQ
LTDQP
LTDWQ
PACKAGE DESCRIPTION
6-Lead (2mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
6-Lead (2mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
8-Lead Plastic MSOP
PACKAGE DESCRIPTION
6-Lead (2mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
6-Lead (2mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
8-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–55°C to 125°C
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–55°C to 125°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications.
Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**Versions
of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These
models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your
local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for
these models.
2
Rev. C
For more information
www.analog.com
LT3085
ELECTRICAL CHARACTERISTICS
PARAMETER
SET Pin Current
Output Offset Voltage (V
OUT
– V
SET
)
Load Regulation
Line Regulation
Minimum Load Current (Notes 3, 9)
V
CONTROL
Dropout Voltage (Note 4)
V
IN
Dropout Voltage (Note 4)
V
CONTROL
Pin Current (Note 5)
Current Limit (Note 9)
Error Amplifier RMS Output Noise (Note 6)
Ripple Rejection
CONDITIONS
I
SET
V
IN
= 1V, V
CONTROL
= 2V, I
LOAD
= 1mA, T
J
= 25°C
V
IN
≥ 1V, V
CONTROL
≥ 2V, 1mA ≤ I
LOAD
≤ 500mA (Note 9)
V
OS
V
IN
= 1V, V
CONTROL
= 2V, I
LOAD
= 1mA, T
J
= 25°C
V
IN
≥ 1V, V
CONTROL
≥ 2V, 1mA ≤ I
LOAD
≤ 500mA (Note 9)
½I
SET
½I
LOAD
= 1mA to 500mA
½V
OS
½I
LOAD
= 1mA to 500mA (Note 8)
½I
SET
½V
IN
= 1V to 36V, ½V
CONTROL
= 2V to 36V, I
LOAD
= 1mA
½V
OS
½V
IN
= 1V to 36V, ½V
CONTROL
= 2V to 36V, I
LOAD
= 1mA
V
IN
= V
CONTROL
= 10V
V
IN
= V
CONTROL
= 36V
I
LOAD
= 100mA
I
LOAD
= 500mA
I
LOAD
= 100mA
I
LOAD
= 500mA
I
LOAD
= 100mA
I
LOAD
= 500mA
V
IN
= 5V, V
CONTROL
= 5V, V
SET
= 0V, V
OUT
= –0.1V
I
LOAD
= 500mA, 10Hz ≤ f ≤ 100kHz, C
OUT
= 10µF, C
SET
= 0.1µF
f = 120Hz, V
RIPPLE
= 0.5V
P-P
, I
LOAD
= 0.1A, C
SET
= 0.1µF, C
OUT
= 2.2µF
f=10kHz
f=1MHz
10ms Pulse
l
l
l
l
l
l
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
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