lt3071 Linear Technology Corporation, lt3071 Datasheet - Page 8

• Manufacturer Part Number: lt3071
• Description: Lt3071 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator With Analog Margining Features
• Manufacturer: Linear Technology Corporation

LT3071
typicAl perFormAnce chArActeristics

3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
80
70
60
50
40
30
20
10
0
8
7
6
5
4
3
2
1
0
0.7
10
0
Minimum BIAS Voltage vs V
Current Limit vs V
IN Pin Ripple Rejection
I
T
V
V
V
I
V
T
OUT
OUT
J
OUT
IN
BIAS
BIAS
J
0.25
= 25°C
IN-TO-OUT VOLTAGE DIFFERENTIAL (V)
= 25°C
= 1.3V + 50mV
100
= 5A
= 5A
0.9
= 1V
V
V
V
C
C
= 2.5V
= 3.3V
OUT
OUT
OUT
OUT
OUT
0.50
OUTPUT VOLTAGE (V)
= 1.8V
= 1.2V
= 0.8V
= 117µF
= 16.9µF
1.1
1k
FREQUENCY (Hz)
0.75
P-P
1.00
10k
1.3
RIPPLE
IN
1.25
– V
100k
1.5
OUT
1.50
1M
1.7
OUT
1.75
3071 G29
3071 G51
3071 G26
10M
2.00
1.9
100
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
–10
90
80
70
60
50
40
30
20
10
–2
–4
–6
–8
0
0
–75
–75
10
Load Regulation
BIAS Pin Ripple Rejection
Minimum BIAS Voltage
vs Temperature
I
OUT
V
V
–50
IN
BIAS
I
–50 –25 0
OUT
= V
100
= 5A
V
V
V
–25
= 3.3V
V
V
V
= 100mA TO 5A
BIAS
BIAS
BIAS
OUT(NOMINAL)
OUT
OUT
OUT
0
TEMPERATURE (°C)
= 0.8V
= 1.2V
= 1.8V
= 2.5V + 500mV
= 2.7V + 500mV
= 3.3V + 500mV
TEMPERATURE (°C)
1k
FREQUENCY (Hz)
25
V
V
I
C
25 50 75 100
OUT
IN
OUT
OUT
= 1.3V
10k
50
= 5A
+ 300mV
= 1V
= 10µF + 4.7µF + 2.2µF
75 100
100k
P-P
P-P
P-P
V
V
V
OUT
OUT
OUT
125
125
1M
= 1.8V
= 1.2V
= 0.8V
150
150 175
3071 G30
3071 G27
3071 G32
10M
175
800
700
600
500
400
300
200
100
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.0
2.2
80
70
60
50
40
30
20
10
0
0
–75
10
0
IN Pin Ripple Rejection
Bias Voltage Line Regulation
Minimum BIAS Voltage vs I
V
V
V
I
V
V
V
I
V
OUT
OUT
BIAS
IN
OUT
OUT
IN
BIAS
–50
IN
V
OUT
= 1.1V
= 1.3V + 50mV
= V
100
= 10mA
= 1A
= 0.8V
= 1V
V
V
V
V
= 2.2V TO 3.6V
–25
C
C
= 2.5V
OUT(NOMINAL)
= –1%, T
OUT
OUT
OUT
OUT
OUT
OUT
1
OUTPUT CURRENT (A)
= 0.8V TO 1V
= 1.8V
= 1.5V
= 1.2V
= 117µF
= 16.9µF
0
TEMPERATURE (°C)
1k
FREQUENCY (Hz)
25
J
2
= 25°C
P-P
10k
50
+ 300mV
RIPPLE
75
3
100k
100
125
4
1M
OUT
150
3071 G31
3071 G33
3071 G28
3071fa
10M
175
5