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LT1521 Datasheet(PDF) 5 Page - Analog Devices

Part # LT1521
Description  300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
PDF  18 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT1521 Datasheet(HTML) 5 Page - Analog Devices

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LT1521/LT1521-3
LT1521-3.3/LT1521-5
5
Rev. C
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
LT1521
Adjustable Pin Voltage
LT1521-3
Quiescent Current
LT1521-3.3
Quiescent Current
LT1521-3
Output Voltage
Guaranteed Dropout Voltage
LT1521-3.3
Output Voltage
Dropout Voltage
LT1521-5
Output Voltage
Quiescent Current
OUTPUT CURRENT (mA)
0
150
250
LT1521 • TPC01
50
100
200
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
300
TJ ≤ 125C
TJ ≤ 25C
= TEST POINTS
TEMPERATURE (°C)
–50
0.7
25
LT1521 • TPC02
0.4
0.2
–25
0
50
0.1
0
0.8
0.6
0.5
0.3
75
100 125
ILOAD = 1mA
ILOAD = 50mA
ILOAD = 150mA
ILOAD = 300mA
ILOAD = 100mA
TEMPERATURE (°C)
–50
15.0
12.5
10.0
7.5
5.0
2.5
0
25
75
LT1521 • TPC03
–25
0
50
100
125
VIN = 6V
RL = ∞
ILOAD = 0
VSHDN = OPEN
VSHDN = 0V
TEMPERATURE (°C)
–50
25
LT1521 • TPC04
–25
0
50
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
75
100 125
TEMPERATURE (°C)
–50
25
LT1521 • TPC05
–25
0
50
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
75
100 125
IOUT = 1mA
TEMPERATURE (°C)
–50
25
LT1521 • TPC06
–25
0
50
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
75
100 125
TEMPERATURE (°C)
–50
3.81
25
LT1521 • TPC07
3.75
3.71
–25
0
50
3.69
3.67
3.83
3.79
3.77
3.73
75
100 125
ILOAD = 1mA
INPUT VOLTAGE (V)
0
50
45
40
35
30
25
20
15
10
5
0
8
LT1521 • TPC08
2
1
3
5
7
9
4
6
10
TJ = 25°C
RL = ∞
VSHDN = OPEN
VSHDN = 0V
INPUT VOLTAGE (V)
0
30
40
50
45
35
25
15
5
8
LT1521 • TPC09
20
10
0
2
1
3
5
7
9
4
6
10
TJ = 25°C
RL = ∞



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