IC LDO REG W/SHTDWN ADJ 8-SOIC

LT1521CS8

Manufacturer Part NumberLT1521CS8
DescriptionIC LDO REG W/SHTDWN ADJ 8-SOIC
ManufacturerLinear Technology
LT1521CS8 datasheet
 


Specifications of LT1521CS8

Regulator TopologyPositive AdjustableVoltage - Output3.8 ~ 20 V
Voltage - Input4.3 ~ 20 VVoltage - Dropout (typical)0.5V @ 300mA
Number Of Regulators1Current - Output300mA
Current - Limit (min)320mAOperating Temperature0°C ~ 125°C
Mounting TypeSurface MountPackage / Case8-SOIC (3.9mm Width)
Lead Free Status / RoHS StatusContains lead / RoHS non-compliant  
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W
U
TYPICAL PERFORMANCE CHARACTERISTICS
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
100
TEMPERATURE ( C)
LT1521 • TPC04
LT1521
Adjust Pin Voltage
3.83
I
= 1mA
LOAD
3.81
3.79
3.77
3.75
3.73
3.71
3.69
3.67
–50
–25
0
25
50
75
100
TEMPERATURE ( C)
LT1521 • TPC07
LT1521-5
Quiescent Current
50
T
= 25 C
J
45
R
=
L
40
35
30
25
20
15
V
= OPEN
SHDN
10
V
= 0V
SHDN
5
0
1
2
3
5
6
7
9
0
4
8
INPUT VOLTAGE (V)
LT1521 • TPC10
LT1521-3.3
Output Voltage
3.38
I
= 1mA
OUT
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
125
–50
–25
0
25
50
75
TEMPERATURE ( C)
LT1521-3
Quiescent Current
50
T
45
40
35
30
25
20
15
V
= OPEN
SHDN
10
V
= 0V
SHDN
5
0
125
0
1
2
3
5
6
7
4
INPUT VOLTAGE (V)
LT1521
Quiescent Current
50
T
J
45
40
35
30
25
20
15
V
= OPEN
SHDN
10
V
= 0V
SHDN
5
0
0
1
2
3
4
5
6
7
10
INPUT VOLTAGE (V)
LT1521/LT1521-3
LT1521-3.3/LT1521-5
LT1521-5
Output Voltage
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
100
125
–50
–25
0
25
50
TEMPERATURE ( C)
LT1521 • TPC05
LT1521-3.3
Quiescent Current
50
= 25 C
J
45
R
=
L
40
35
30
25
20
15
10
5
0
8
9
10
0
1
2
3
5
6
4
INPUT VOLTAGE (V)
LT1521 • TPC08
LT1521-3
Ground Pin Current
1000
= 25 C
T
= 25 C
J
900
R
=
*FOR V
= 3V
L
OUT
800
700
600
R
LOAD
500
I
LOAD
400
300
200
R
LOAD
100
I
LOAD
0
8
9
10
0
1
2
3
4
5
6
INPUT VOLTAGE (V)
LT1521 • TPC11
75
100
125
LT1521 • TPC06
T
= 25 C
J
R
=
L
7
8
9
10
LT1521 • TPC09
R
= 60
LOAD
I
= 50mA*
LOAD
= 120
= 25mA*
R
= 300
LOAD
I
= 10mA*
LOAD
= 3k
= 1mA*
7
8
9
10
LT1521 • TPC12
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