Datasheet

LT3082
5
3082f
TEMPERATURE (°C)
–50
0
DROPOUT VOLTAGE (V
IN
– V
OUT
) (V)
0.4
0.6
0.8
1.4
1.2
0
50
75
3082 G10
0.2
1.0
–25 25
100
125
150
I
LOAD
= 100mA
I
LOAD
= 200mA
TEMPERATURE (°C)
–50
0
CURRENT LIMIT (mA)
50
150
200
250
500
350
0
50
75
3082 G12
100
400
450
300
–25 25
100
125
150
V
IN
= 7V
V
OUT
= 0V
LOAD CURRENT (mA)
0
0
DROPOUT VOLTAGE (V
IN
– V
OUT
) (V)
0.4
0.8
1.2
25
50
75 100 150125 175
1.6
0.2
0.6
1.0
1.4
200
3082 G09
T
J
= –55°C
T
J
= 25°C
T
J
= 125°C
INPUT-TO-OUTPUT DIFFERENTIAL VOLTAGE (V)
0
0
CURRENT LIMIT (mA)
100
200
300
2
4
6810
400
50
150
250
350
3082 G11
T
J
= 25°C
TIME (µs)
0
V
OUT
= 1V
C
IN
= 1µF CERAMIC
C
OUT
= 2.2µF CERAMIC
C
SET
= 0.1µF
∆I
LOAD
= 10mA to 200mA
3082 G13
0
OUTPUT VOLTAGE DEVIATION (mV)
LOAD
CURRENT (mA)
–50
200
100
200
300
–150
100
–100
150
250
0
50
50
150
400
500
250
350
450
TIME (µs)
–20
–40
V
OUT
= 1V
C
IN
= 1µF CERAMIC
C
OUT
= 2.2µF CERAMIC
C
SET
= 0.1µF
I
LOAD
= 10mA
3082 G14
0
OUTPUT VOLTAGE
DEVIATION (mV)
INPUT
VOLTAGE (V)
60
100
200
300
20
40
2
0
6
4
0
50
150
400
500
250
350
450
TIME (µs)
0
C
OUT
= 2.2µF CERAMIC
R
SET
= 100k
C
SET
= 0
R
LOAD
= 5
0
OUTPUT VOLTAGE (V)
INPUT
VOLTAGE (V)
2.0
20
40
60
1.0
1.5
0
4
2
0.5
10
30
80
100
50
70
90
TYPICAL PERFORMANCE CHARACTERISTICS
Current Limit
Line Transient Response
Load Transient Response
Dropout Voltage Dropout Voltage Current Limit
Turn-On Response