LT1627 LINER [Linear Technology], LT1627 Datasheet - Page 7

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

TYPICAL PERFORMANCE CHARACTERISTICS
100
10
30
25
20
15
10
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0
5
0
0
–50
–50
0
Shutdown Pin Current
Reverse Output Current
Reverse Output Current
V
V
V
V
V
T
V
CURRENT FLOWS
INTO OUTPUT PIN
SHDN
IN
OUT
OUT
OUT
J
IN
= 25°C
1
–25
–25
= 0V
= 0V
= 5V (LT1121-5)
= 3.3V (LT1121-3.3)
= 3.8V (LT1121)
= 0V
2
0
OUTPUT VOLTAGE (V)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
3
(V
LT1121-3.3
OUT
4
25
25
= V
LT1121
5
50
50
ADJ
LT1121-5
6
)
75
75
7
8
100
100
1121 G19
1121 G22
1121 G25
9
125
125
10
400
350
300
250
200
150
100
25
20
15
10
50
64
62
60
58
56
54
52
50
0
5
0
–50
0
0
Shutdown Pin Input Current
Current Limit
Ripple Rejection
V
V
+ 0.5V
I
OUT
OUT
IN
1
–25
= V
1
= 100mA
= 0V
P-P
SHUTDOWN PIN VOLTAGE (V)
OUT
2
RIPPLE AT f = 120Hz
(NOMINAL) + 1V
2
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3
25
3
4
LT1121/LT1121-3.3/LT1121-5
5
50
4
6
75
5
7
100
6
8
1121 G20
1121 G23
1121 G26
125
9
7
400
350
300
250
200
150
100
400
350
300
250
200
150
100
100
50
50
90
80
70
60
50
40
30
20
10
0
0
0
–50
–50
10
LT1121
Adjust Pin Bias Current
Current Limit
Ripple Rejection
V
V
I
V
IN
OUT
OUT
IN
= 7V
–25
–25
= 6V + 50mV
= 0V
= 100mA
100
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (Hz)
SOLID TANTALUM
RMS
1k
25
25
RIPPLE
C
SOLID TANTALUM
OUT
50
50
10k
C
OUT
= 1μF
75
75
= 47μF
100k
100
100
1121 G21
1121 G24
1121 G27
1121fg
7
125
125
1M