LT1627 LINER [Linear Technology], LT1627 Datasheet - Page 6

• Manufacturer Part Number: LT1627
• Description: Micropower Low Dropout Regulators with Shutdown
• Manufacturer: LINER [Linear Technology]

LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFORMANCE CHARACTERISTICS
6
800
700
600
500
400
300
200
100
10
14
12
10
0
9
8
7
6
5
4
3
2
1
0
8
6
4
2
0
0
0
0
LT1121-3.3
Ground Pin Current
LT1121-3.3
Ground Pin Current
Ground Pin Current
T
T
V
V
V
DEVICE IS OPERATING
IN DROPOUT
J
J
IN
IN
IN
= 25°C
= 25°C
1
1
20
= 3.3V (LT1121-3.3)
= 5V (LT1121-5)
= 3.75V (LT1121)
2
2
40
OUTPUT CURRENT (mA)
*FOR V
*FOR V
3
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
T
60
J
4
4
= 25°C
OUT
R
I
LOAD
OUT
LOAD
80
5
5
= 3.3V
= 3.3V
= 150mA*
T
= 22Ω
6
6
J
100
R
I
= 125°C
R
I
R
I
LOAD
LOAD
R
I
LOAD
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
7
7
120
T
= 25mA*
J
= 10mA*
= 100mA*
= 130Ω
= 1mA*
= 330Ω
= 33Ω
= 50mA*
= 3.3k
8
8
= –55°C
= 66Ω
140 160
1121 G13
1121 G10
1121 G16
9
9
10
10
800
700
600
500
400
300
200
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
0
9
8
7
6
5
4
3
2
1
0
0
–50
0
0
LT1121-5
Ground Pin Current
LT1121-5
Ground Pin Current
Shutdown Pin Threshold
(On-to-Off)
T
T
I
LOAD
J
J
= 25°C
= 25°C
1
1
–25
= 1mA
2
2
3
0
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
*FOR V
4
4
*FOR V
25
5
5
OUT
50
OUT
6
6
R
I
R
I
= 5V
R
I
LOAD
LOAD
R
I
R
I
LOAD
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 5V
7
7
75
= 25mA*
= 10mA*
= 1mA*
= 200Ω
= 500Ω
= 150mA*
= 100mA*
= 5k
= 50mA*
= 33Ω
= 50Ω
= 100Ω
8
8
100
1121 G14
1121 G11
9
9
1121 G17
125
10
10
800
700
600
500
400
300
200
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
9
8
7
6
5
4
3
2
1
0
0
0
–50
0
0
LT1121
Ground Pin Current
LT1121
Ground Pin Current
Shutdown Pin Threshold
(Off-to-On)
T
V
T
V
J
OUT
J
OUT
= 25°C
= 25°C
1
1
–25
= V
= V
2
2
ADJ
ADJ
0
3
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
*FOR V
*FOR V
4
4
25
OUT
5
5
OUT
50
= 3.75V
6
6
= 3.75V
R
I
R
I
LOAD
LOAD
R
I
I
LOAD
LOAD
R
I
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
7
R
I
I
LOAD
7
75
LOAD
LOAD
LOAD
LOAD
= 150mA*
= 100mA*
= 25Ω
= 38Ω
= 50mA*
= 150mA
8
= 10mA*
8
= 25mA*
= 75Ω
= 380Ω
= 150Ω
= 1mA*
= 1mA
100
= 3.8k
1121 G15
1121 G12
9
1121 G18
9
1121fg
125
10
10