LT3028 LINER [Linear Technology], LT3028 Datasheet - Page 6

• Manufacturer Part Number: LT3028
• Description: Dual 100mA/500mA Low Dropout, Low Noise,Micropower Regulators with Independent Inputs
• Manufacturer: LINER [Linear Technology]

LT3028
TYPICAL PERFOR A CE CHARACTERISTICS
6
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
0
0
–50
–50
SHDN1 or SHDN2 Pin Threshold
(Off-to-On)
ADJ1 or ADJ2 Pin Bias Current
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
I
I
L
L
0
= FULL
= 1mA
50
50
0
Output 1 Current Limit
V
T
OUT1
J
= 25°C
75
75
1
= 0V
W
100
100
2
INPUT VOLTAGE (V)
3028 G16
3028 G19
U
125
125
3
4
350
300
250
200
150
100
5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
50
0
0
0
0
SHDN1 or SHDN2 Pin Input
Current
Output 2 Current Limit
T
V
T
6
J
OUT2
J
3028 G22
= 25°C
= 25°C
1
1
= 0V
7
2
SHDN PIN VOLTAGE (V)
2
3
INPUT VOLTAGE (V)
4
3
5
4
6
7
5
8
1.2
1.0
0.8
0.6
0.4
0.2
6
0
–50
3028 G17
3028 G20
9
Output 1 Current Limit
10
7
–25
0
TEMPERATURE (°C)
350
300
250
200
150
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
0
25
–50
–50
SHDN1 or SHDN2 Pin Input
Current
Output 2 Current Limit
50
–25
–25
75
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
V
V
IN1
OUT1
100
25
= 7V
25
3028 G23
= 0V
125
50
50
75
75
V
SHDN
V
V
IN2
OUT2
100
100
= 7V
= 20V
3028 G18
= 0V
3028 G21
3028f
125
125