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零件编号
产品描述 (功能)
LT1521 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
比赛名单
LT1521
300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
Linear Technology
LT1521 Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1521/LT1521-3
LT1521-3.3/LT1521-5
LT1521-3
Output Voltage
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
LT1521 • TPC04
LT1521
Adjust Pin Voltage
3.83
I
LOAD
= 1mA
3.81
3.79
3.77
3.75
3.73
3.71
3.69
3.67
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
LT1521 • TPC07
LT1521-5
Quiescent Current
50
45
T
J
= 25
°
C
R
L
=
∞
40
35
30
25
20
15
V
SHDN
= OPEN
10
5
V
SHDN
= 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
LT1521 • TPC10
LT1521-3.3
Output Voltage
3.38
3.36
I
OUT
= 1mA
3.34
3.32
3.30
3.28
3.26
3.24
3.22
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
LT1521 • TPC05
LT1521-3
Quiescent Current
50
45
T
J
= 25
°
C
R
L
=
∞
40
35
30
25
20
15
V
SHDN
= OPEN
10
5
V
SHDN
= 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
LT1521 • TPC08
LT1521
Quiescent Current
50
45
T
J
= 25
°
C
R
L
=
∞
40
35
30
25
20
15
V
SHDN
= OPEN
10
5
V
SHDN
= 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
LT1521 • TPC11
LT1521-5
Output Voltage
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
–50 –25
0 25 50 75 100 125
TEMPERATURE (
°
C)
LT1521 • TPC06
LT1521-3.3
Quiescent Current
50
45
40
T
J
= 25
°
C
R
L
=
∞
35
30
25
20
15
10
5
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
LT1521 • TPC09
LT1521-3
Ground Pin Current
1000
900
800
700
T
J
= 25
°
C
*FOR V
OUT
= 3V
R
LOAD
= 60
Ω
I
LOAD
= 50mA*
600
500
R
LOAD
= 120
Ω
I
LOAD
= 25mA*
400
R
LOAD
= 300
Ω
300
I
LOAD
= 10mA*
200
R
LOAD
= 3k
100
I
LOAD
= 1mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
LT1521 • TPC12
5
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