Linear Technology LT3081, Datasheet

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LT3081
5
3081fc
For more information www.linear.com/LT3081
Typical perForMance characTerisTics
Offset Voltage
Offset Voltage (V
OUT
– V
SET
) Offset Voltage (V
OUT
– V
SET
)
Load Regulation Minimum Load Current Dropout Voltage
SET Pin Current SET Pin Current
T
J
= 25°C unless otherwise specified.
Offset Voltage (V
OUT
– V
SET
)
TEMPERATURE (°C)
–50
49.5
SET PIN CURRENT (µA)
49.6
49.8
49.9
50.0
50.5
50.2
0 50 75
3081 G01
49.7
50.3
50.4
50.1
–25 25
100 125 150
I
LOAD
= 5mA
SET PIN CURRENT DISTRIBUTION (µA)
49
N = 3195
49.5 50
3081 G02
50.5 51
TEMPERATURE (°C)
–50
OFFSET VOLTAGE (mV)
0
1.0
150
3081 G03
–1.0
–2.0
0 50 100 –25 25 75 125
2.0
–0.5
0.5
–1.5
1.5
I
LOAD
= 5mA
V
OS
DISTRIBUTION (mV)
–2
N = 3195
–1 0
3081 G04
1 2
INPUT-TO-OUTPUT DIFFERENTIAL (V)
0
–1.0
OFFSET VOLTAGE (mV)
–0.6
–0.2
0.2
6 12 18 24
3081 G05
30
0.6
1.0
–0.8
–0.4
0
0.4
0.8
36
I
LOAD
= 5mA
LOAD CURRENT (A)
0
OFFSET VOLTAGE (mV)
–0.6
3081 G06
–1.0
–1.4
0.5 1 0.25 0.75 1.25
–0.2
0.2
–0.8
–1.2
–0.4
0
1.5
T
J
= 25°C
T
J
= 125°C
TEMPERATURE (°C)
–50
0
SET PIN CURRENT LOAD REGULATION (nA)
OFFSET VOLTAGE LOAD REGULATION (mV)
50
100
150
200
0 50 100 150
3081 G07
250
300
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
–25 25 75 125
∆I
LOAD
= 5mA TO 1.5A
TEMPERATURE (°C)
–50
0
MINIMUM LOAD CURRENT (mA) 0.5
1.0
1.5
2.0
0 50 100 150
3081 G08
2.5
3.0
–25 25 75 125
V
IN
– V
OUT
= 36V
V
IN
– V
OUT
= 2V
LOAD CURRENT (A)
0
1.0
DROPOUT VOLTAGE (V)
1.1
1.2
1.3
1.4
1.5
0.25
0.5 0.75 1
3081 G09
1.25 1.5
T
J
= –50°C
T
J
= 25°C
T
J
= 125°C