EXPOSED PAD (PIN 9) IS OUT, MUST BE SOLDERED TO OUT
ON THE PCB. SEE THE APPLICATIONS INFORMATION SECTION.
ST PACKAGE
3-LEAD PLASTIC SOT-223
T
JMAX
= 125°C,
θ
JA
= 24°C/W,
θ
JC
= 15°C/W
TAB IS OUT, MUST BE SOLDERED TO OUT ON THE PCB.
SEE THE APPLICATIONS INFORMATION SECTION.
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
T
JMAX
= 125°C,
θ
JA
= 57°C/W,
θ
JC
= 15°C/W
ORDER INFORMATION
LEAD FREE FINISH
LT3092EDD#PBF
LT3092IDD#PBF
LT3092EST#PBF
LT3092IST#PBF
LT3092MPST#PBF
LT3092ETS8#PBF
LT3092ITS8#PBF
LEAD BASED FINISH
LT3092EDD
LT3092IDD
LT3092EST
LT3092IST
LT3092MPST
LT3092ETS8
LT3092ITS8
TAPE AND REEL
LT3092EDD#TRPBF
LT3092IDD#TRPBF
LT3092EST#TRPBF
LT3092IST#TRPBF
LT3092MPST#TRPBF
LT3092ETS8#TRPBF
LT3092ITS8#TRPBF
TAPE AND REEL
LT3092EDD#TR
LT3092IDD#TR
LT3092EST#TR
LT3092IST#TR
LT3092MPST#TR
LT3092ETS8#TR
LT3092ITS8#TR
PART MARKING*
LFJD
LFJD
3092
3092
3092MP
LTFJW
LTFJW
PART MARKING*
LFJD
LFJD
3092
3092
3092MP
LTFJW
LTFJW
PACKAGE DESCRIPTION
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
8-Lead Plastic SOT-23
8-Lead Plastic SOT-23
PACKAGE DESCRIPTION
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
3-Lead Plastic SOT-223
8-Lead Plastic SOT-23
8-Lead Plastic SOT-23
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
–40°C to 125°C
–40°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
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
3092fb
2
LT3092
ELECTRICAL CHARACTERISTICS
PARAMETER
SET Pin Current
Offset Voltage (V
OUT
– V
SET
)
Current Regulation (Note 7)
Line Regulation
Minimum Load Current (Note 3)
Dropout Voltage (Note 4)
Current Limit
Reference Current RMS Output Noise (Note 5)
Ripple Rejection
I
SET
V
OS
ΔI
SET
ΔV
OS
ΔI
SET
ΔV
OS
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
J
= 25°C. (Note 2)
CONDITIONS
V
IN
= 2V, I
LOAD
= 1mA
2V ≤ V
IN
≤ 40V, 1mA ≤ I
LOAD
≤ 200mA
V
IN
= 2V, I
LOAD
= 1mA
V
IN
= 2V, I
LOAD
= 1mA
ΔI
LOAD
= 1mA to 200mA
ΔI
LOAD
= 1mA to 200mA
ΔV
IN
= 2V to 40V, I
LOAD
= 1mA
ΔV
IN
= 2V to 40V, I
LOAD
= 1mA
2V ≤ V
IN
≤ 40V
I
LOAD
= 10mA
I
LOAD
= 200mA
V
IN
= 5V, V
SET
= 0V, V
OUT
= –0.1V
10Hz ≤ f ≤ 100kHz
f = 120Hz, V
RIPPLE
= 0.5V
P-P
, I
LOAD
= 0.1A,
C
SET
= 0.1μF C
OUT
= 2.2μF
,
f = 10kHz
f = 1MHz
I
SET
10ms Pulse
l
l
l
l
l
l
l
MIN
9.9
9.8
–2
–4
TYP
10
10
MAX
10.1
10.2
2
4
UNITS
μA
μA
mV
mV
nA
mV
nA/V
mV/V
μA
V
V
mA
nA
RMS
dB
dB
dB
%/W
–0.1
–0.5
0.03
0.003
300
1.22
1.3
200
300
0.7
90
75
20
0.003
–2
0.2
0.010
500
1.45
1.65
Thermal Regulation
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
Unless otherwise specified, all voltages are with respect to V
OUT
.
The LT3092E is tested and specified under pulse load conditions such
that T
J
≅
T
A
. The LT3092E is 100% tested at T
A
= 25°C. Performance at
–40°C and 125°C is assured by design, characterization, and correlation
with statistical process controls. The LT3092I is guaranteed to meet all
data sheet specifications over the full –40°C to 125°C operating junction
temperature range. The LT3092MP is 100% tested and guaranteed over
the –55°C to 125°C operating junction temperature range.
Note 3:
Minimum load current is equivalent to the quiescent current of
the part. Since all quiescent and drive current is delivered to the output
of the part, the minimum load current is the minimum current required to
maintain regulation.
Note 4:
For the LT3092, dropout is specified as the minimum input-to-
output voltage differential required supplying a given output current.
Note 5:
Adding a small capacitor across the reference current resistor
lowers output noise. Adding this capacitor bypasses the resistor shot noise
and reference current noise (see the Applications Information section).
Note 6:
Diodes with series 1k resistors clamp the SET pin to the OUT pin.
These diodes and resistors only carry current under transient overloads.
Note 7:
Current regulation is Kelvin-sensed at the package.
Note 8:
This IC includes overtemperature protection that protects the
device during momentary overload conditions. Junction temperature
exceeds the maximum operating junction temperature when
overtemperature protection is active. Continuous operation above the
specified maximum operating junction temperature may impair device
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