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LT1121CS8 数据表(PDF) 6 Page - Linear Technology

部件名 LT1121CS8
功能描述  Micropower Low Dropout Regulators with Shutdown
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1121CS8 数据表(HTML) 6 Page - Linear Technology

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6
LT1121/LT1121-3.3/LT1121-5
Reverse Output Current
Reverse Output Current
Shutdown Pin Current
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
TEMPERATURE (°C)
–50
30
25
20
15
10
5
0
0
50
75
1121 G13
–25
25
100
125
VIN = 0V
VOUT = 5V (LT1121-5)
VOUT = 3.3V (LT1121-3.3)
VOUT = 3.8V (LT1121)
OUTPUT VOLTAGE (V)
0
100
90
80
70
60
50
40
30
20
10
0
8
1121 G01
2
4
6
10
13
57
9
TJ = 25°C
VIN = 0V
CURRENT FLOWS
INTO OUTPUT PIN
LT1121-3.3
LT1121
(VOUT = VADJ)
LT1121-5
TEMPERATURE (°C)
–50
400
350
300
250
200
150
100
50
0
0
50
75
1121 G25
–25
25
100
125
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
10
1k
10k
1M
1121 G26
100
100k
COUT = 1µF
SOLID TANTALUM
COUT = 47µF
SOLID TANTALUM
IOUT = 100mA
VIN = 6V + 50mVRMS RIPPLE
TEMPERATURE (°C)
–50
400
350
300
250
200
150
100
50
0
0
50
75
1121 G19
–25
25
100
125
VIN = 7V
VOUT = 0V
LT1121
Adjust Pin Bias Current
Current Limit
Ripple Rejection
SHUTDOWN PIN VOLTAGE (V)
0
0
5
15
20
25
2
4
59
1121 G28
10
13
6
7
8
Shutdown Pin Input Current
Current Limit
Ripple Rejection
INPUT VOLTAGE (V)
0
400
350
300
250
200
150
100
50
0
2
4
5
1121 G20
1
3
6
7
VOUT = 0V
TEMPERATURE (°C)
–50
64
62
60
58
56
54
52
50
0
50
75
1121 G18
–25
25
100
125
VIN = VOUT (NOMINAL) + 1V
+ 0.5VP-P RIPPLE AT f = 120Hz
IOUT = 100mA
TEMPERATURE (°C)
–50
10
9
8
7
6
5
4
3
2
1
0
0
50
75
1121 G15
–25
25
100
125
VSHDN = 0V



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