Datasheet

LT3070
6
3070fb
For more information www.linear.com/LT3070
TYPICAL PERFORMANCE CHARACTERISTICS
Dropout Voltage vs V
BIAS
Output Voltage (0.8V)
vs Temperature
Dropout Voltage vs I
OUT
Dropout Voltage vs Temperature
Dropout Voltage vs Temperature
Dropout Voltage vs Temperature
OUTPUT CURRENT (A)
0
DROPOUT VOLTAGE (mV)
90
120
150
4
3070 G01
60
30
0
1
2
3
5
V
OUT
= 1.8V
V
BIAS
= 3.3V
V
OUT
= 0.8V
V
BIAS
= 2.5V
V
IN
= V
OUT(NOMINAL)
T
J
= 25°C
TEMPERATURE (°C)
0
DROPOUT VOLTAGE (mV)
10
20
30
5
15
25
–25 25 75 125
3070 G02
175–50–75 0 50 100 150
V
IN
= V
OUT(NOMINAL)
I
OUT
= 1A
V
OUT
= 1.8V, V
BIAS
= 3.3V
V
OUT
= 0.8V, V
BIAS
= 2.5V
V
OUT
= 1.2V, V
BIAS
= 3.3V
TEMPERATURE (°C)
–75
DROPOUT VOLTAGE (mV)
60
80
100
125
3070 G03
40
20
50
70
90
30
10
0
–25–50
250
75 100 150
50
175
V
IN
= V
OUT(NOMINAL)
I
OUT
= 2.5A
V
OUT
= 1.8V, V
BIAS
= 3.3V
V
OUT
= 0.8V, V
BIAS
= 2.5V
V
OUT
= 1.2V, V
BIAS
= 3.3V
TEMPERATURE (°C)
–75
OUTPUT VOLTAGE (V)
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
125
3070 G06
–25 25 75 175100–50 0 50 150
I
LOAD
= 10mA
BIAS VOLTAGE (V)
2.2
0
DROPOUT VOLTAGE (mV)
20
60
80
100
200
140
2.6
3.0
3.2
3070 G05
40
160
180
120
2.4
2.8
3.4
3.6
OUT = 1.8V
OUT = 1.5V
OUT = 0.8V
I
OUT
= 5A
T
J
= 25°C
Output Voltage (1V)
vs Temperature
TEMPERATURE (°C)
–75
OUTPUT VOLTAGE (V)
1.002
1.006
1.010
125
3070 G07
0.998
0.994
1.000
1.004
1.008
0.996
0.992
0.990
–25–50
250
75 100 150
50
175
I
LOAD
= 10mA
Output Voltage (1.2V)
vs Temperature
TEMPERATURE (°C)
1.188
OUTPUT VOLTAGE (V)
1.196
1.204
1.212
1.192
1.200
1.208
–25 25 75 125
3070 G08
175–50–75 0 50 100 150
I
LOAD
= 10mA
Output Voltage (1.5V)
vs Temperature
TEMPERATURE (°C)
1.485
OUTPUT VOLTAGE (V)
1.495
1.505
1.515
1.490
1.500
1.510
–25 25 75 125
3070 G09
175–50–75 0 50 100 150
I
LOAD
= 10mA
TEMPERATURE (°C)
–75
DROPOUT VOLTAGE (mV)
90
120
150
125
3070 G04
60
30
0
–50 –25 0
25 50
75 100 150
175
V
IN
= V
OUT(NOMINAL)
I
OUT
= 5A
V
OUT
= 1.8V, V
BIAS
= 3.3V
V
OUT
= 0.8V, V
BIAS
= 2.5V
V
OUT
= 1.2V, V
BIAS
= 3.3V