LT3028 LINER [Linear Technology], LT3028 Datasheet - Page 5

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

TYPICAL PERFOR A CE CHARACTERISTICS
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
50
45
40
35
30
25
20
15
10
12
10
5
0
0
8
6
4
2
0
–50
0
0
Quiescent Current (Per Output)
Output 2 GND Pin Current
Output 1 GND Pin Current
V
R
IN
L
= 250k, I
–25
1
1
= 6V
V
2
2
SHDN
R
I
R
I
L
L
L
L
L
0
= 100mA*
= 500mA*
TEMPERATURE (°C)
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
= 12.2Ω
= 2.44Ω
= 5µA
= V
R
I
L
L
= 1mA*
4
4
IN
= 1.22k
25
5
5
50
R
I
T
V
*FOR V
L
T
*FOR V
6
6
L
J
IN
J
= 50mA*
= 25°C
= 24.4Ω
R
I
= 25°C
= V
L
R
I
L
R
I
L
L
75
= 10mA*
7
7
L
L
= 122Ω
= 100mA*
SHDN
= 300mA*
OUT
W
= 12.2Ω
OUT
= 4.07Ω
8
8
100
= 1.22V
= 1.22V
3028 G07
3028 G10
3028 G13
9
9
U
125
10
10
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
12
10
0
8
6
4
2
0
–50
0
0
ADJ1 or ADJ2 Pin Voltage
Output 2
GND Pin Current vs I
Output 1
GND Pin Current vs I
V
T
I
V
T
L
IN
J
J
IN
= 1mA
10 20 30 40 50 60 70 80 90 100
50 100 150 200 250 300 350 400 450 500
= 25°C
–25
= 25°C
= V
= V
OUT(NOMINAL)
OUT(NOMINAL)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
0
TEMPERATURE (°C)
25
+ 1V
+ 1V
50
LOAD
LOAD
75
100
3028 G08
3028 G14
3028 G11
125
1200
1000
800
600
400
200
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
40
35
30
25
20
15
10
5
0
0
0
–50
0
0
Quiescent Current (Per Output)
Output 1 GND Pin Current
SHDN1 or SHDN2 Pin Threshold
(On-to-Off)
T
R
I
J
L
L
= 25°C
2
= 250k
1
= 1mA
–25
4
2
R
I
R
I
R
L
L
I
L
L
L
L
0
6
= 10mA*
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
= 50mA*
= 24.4Ω
= 122Ω
= 1.22k
= 1mA*
4
8
25
10
5
V
V
50
SHDN
SHDN
T
V
*FOR V
12
6
J
IN
LT3028
= 25°C
= V
= 0V
14
= V
75
7
SHDN
OUT
IN
16
8
= 1.22V
100
18
3028 G09
3028 G12
3028 G15
9
5
3028f
125
20
10