lt3070 Linear Technology Corporation, lt3070 Datasheet - Page 9
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lt3070
Manufacturer Part Number
lt3070
Description
5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator
Manufacturer
Linear Technology Corporation
Datasheet
1.LT3070.pdf
(28 pages)
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typicAl perFormAnce chArActeristics
800
700
600
500
400
300
200
100
100
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
90
80
70
60
50
40
30
20
10
0
0
–75
–75
10
BIAS Pin Ripple Rejection
Minimum BIAS Voltage
vs Temperature
Bias Voltage Line Regulation
I
V
V
V
I
OUT
OUT
BIAS
IN
OUT
–50
–50
= 1.1V
100
= 5A
= 10mA
= 0.8V
V
V
V
–25
= 2.2V TO 3.6V
–25
BIAS
BIAS
BIAS
0
TEMPERATURE (°C)
= 2.5V + 500mV
= 2.7V + 500mV
= 3.3V + 500mV
0
TEMPERATURE (°C)
1k
FREQUENCY (Hz)
V
V
I
C
25
25
OUT
IN
OUT
OUT
= 1.3V
10k
50
50
= 5A
= 1V
= 10µF + 4.7µF + 2.2µF
75 100
75
100k
P-P
P-P
P-P
100
V
V
V
OUT
OUT
OUT
125
125
1M
= 1.8V
= 1.2V
= 0.8V
150
150
3070 G30
3070 G27
3070 G33
10M
175
175
–100
–200
–300
–400
400
300
200
100
3.6
3.4
3.2
2.8
2.6
2.4
2.0
3.0
2.2
80
70
60
50
40
30
20
10
0
0
–75
10
0
IN Pin Ripple Rejection
Minimum BIAS Voltage vs I
Bias Voltage Line Regulation
V
V
V
I
V
V
V
I
V
OUT
OUT
BIAS
IN
OUT
OUT
IN
BIAS
IN
–50
V
OUT
= 2.1V
= 1.3V + 50mV
= V
100
= 10mA
= 1A
= 1.8V
= 1V
C
C
= 2.5V
V
V
V
V
= 3.25V TO 3.6V
–25
OUT(NOMINAL)
= –1%
OUT
OUT
OUT
OUT
OUT
OUT
1
OUTPUT CURRENT (A)
= 0.8V TO 1V
= 117µF
= 16.9µF
= 1.8V
= 1.5V
= 1.2V
0
TEMPERATURE (°C)
1k
FREQUENCY (Hz)
25
2
P-P
10k
50
+ 300mV
RIPPLE
75
3
100k
100
125
4
1M
OUT
150
3070 G31
3070 G34
3070 G28
10M
175
5
–10.0
–12.5
–2.5
–5.0
–7.5
300
250
200
150
100
20
10
50
80
70
60
50
40
30
0
0
0
–75
–75
10
Load Regulation
Input Voltage Line Regulation
IN Pin Ripple Rejection
V
V
V
V
V
I
V
V
V
I
OUT
OUT
IN
BIAS
OUT
IN
BIAS
I
–50 –25 0
BIAS
IN
OUT
–50
OUT
= V
= 1.05V TO 2.7V
= 1.3V + 50mV
100
= 10mA
= 5A
= 0.8V
= 1V
= 3.3V
V
V
V
–25
C
C
= 2.5V
= 3.3V
= 100mA TO 5A
OUT(NOMINAL)
OUT
OUT
OUT
OUT
OUT
= 117µF
= 16.9µF
= 0.8V
= 1.2V
= 1.8V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
1k
FREQUENCY (Hz)
25 50 75 100
25
P-P
10k
50
+ 300mV
RIPPLE
75
LT3070
100k
100
125
125
1M
150 175
150
3070 G29
3070 G32
3070 G35
3070f
10M
175