Datasheet

LT3071
9
3071fc
For more information www.linear.com/LT3071
Minimum BIAS Voltage
vs Temperature
Minimum BIAS Voltage vs V
OUT
Minimum BIAS Voltage vs I
OUT
Load Regulation
TEMPERATURE (°C)
–75
MINIMUM BIAS VOLTAGE (V)
3.2
3.6
4.0
125
3071 G39
2.8
2.4
3.0
3.4
3.8
2.6
2.2
2.0
–25–50
250
75 100 150
50
175
I
OUT
= 5A
V
OUT
= 1.8V
V
OUT
= 1.2V
V
OUT
= 0.8V
OUTPUT CURRENT (A)
0
MINIMUM BIAS VOLTAGE (V)
2.6
2.8
3.0
3
5
3071 G40
2.4
2.2
2.0
1 2 4
3.2
3.4
3.6
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
V
OUT
= 0.8V TO 1V
V
IN
= V
OUT(NOMINAL)
+ 300mV
∆V
OUT
= –1%, T
J
= 25°C
OUTPUT VOLTAGE (V)
0.7
MINIMUM BIAS VOLTAGE (V)
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.5
3071 G41
0.9 1.1 1.3 1.91.7
I
OUT
= 5A
T
J
= 25°C
TEMPERATURE (°C)
–75
LOAD REGULATION (mV)
–4
–2
0
125
3071 G42
–6
–8
–10
–50 –25 0
25 50
75 100 150
175
V
IN
= V
OUT(NOMINAL)
+ 300mV
V
BIAS
= 3.3V
∆I
OUT
= 100mA TO 5A
V
OUT
= 0.8V
V
OUT
= 1.2V
V
OUT
= 1.8V
TYPICAL PERFORMANCE CHARACTERISTICS
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0
10
20
30
40
50
60
70
80
90
100
110
120
PSRR (dB)
vs V
IN
– V
OUT
, 1V/2.5A
IN Pin Ripple Rejection
3071 G37
50mV
P-P
RIPPLE ON V
IN
C
OUT
= 117μF
V
BIAS
= 2.5V
T
A
= 25°C
RIPPLE AT f = 10kHz
RIPPLE AT f = 100kHz
RIPPLE AT f = 1MHz
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0
10
20
30
40
50
60
70
80
90
100
110
120
PSRR (dB)
vs V
IN
– V
OUT
, 1V/1A
IN Pin Ripple Rejection
3071 G38
50mV
P-P
RIPPLE ON V
IN
C
OUT
= 117μF
V
BIAS
= 2.5V
T
A
= 25°C
RIPPLE AT f = 10kHz
RIPPLE AT f = 100kHz
RIPPLE AT f = 1MHz
Bias Voltage Line Regulation
TEMPERATURE (°C)
–75
BIAS VOLTAGE LINE REGULATION (µV)
800
700
600
500
400
300
200
100
0
125
3071 G43
–25 25 75 175100–50 0 50 150
V
BIAS
= 2.2V TO 3.6V
V
IN
= 1.1V
V
OUT
= 0.8V
I
OUT
= 10mA
Bias Voltage Line Regulation Input Voltage Line Regulation
TEMPERATURE (°C)
–75
BIAS VOLTAGE LINE REGULATION (µV)
400
300
200
100
0
–100
–200
–300
–400
125
3071 G44
–25 25 75 175100–50 0 50 150
V
BIAS
= 3.25V TO 3.6V
V
IN
= 2.1V
V
OUT
= 1.8V
I
OUT
= 10mA
TEMPERATURE (°C)
0
INPUT VOLTAGE LINE REGULATION (µV)
100
200
300
50
150
250
–25 25 75 125
3071 G45
175–50–75 0 50 100 150
V
BIAS
= 3.3V
V
IN
= 1.05V TO 2.7V
V
OUT
= 0.8V
I
OUT
= 10mA
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