LT1521CS8 Linear Technology, LT1521CS8 Datasheet - Page 5

IC LDO REG W/SHTDWN ADJ 8-SOIC

LT1521CS8

Manufacturer Part Number
LT1521CS8
Description
IC LDO REG W/SHTDWN ADJ 8-SOIC
Manufacturer
Linear Technology
Datasheet

Specifications of LT1521CS8

Regulator Topology
Positive Adjustable
Voltage - Output
3.8 ~ 20 V
Voltage - Input
4.3 ~ 20 V
Voltage - Dropout (typical)
0.5V @ 300mA
Number Of Regulators
1
Current - Output
300mA
Current - Limit (min)
320mA
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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TYPICAL PERFORMANCE CHARACTERISTICS
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
3.83
3.77
3.67
3.81
3.79
3.75
3.73
3.71
3.69
50
45
40
35
30
25
20
15
10
5
0
–50
–50
LT1521-3
Output Voltage
0
LT1521
Adjust Pin Voltage
LT1521-5
Quiescent Current
I
LOAD
–25
1
–25
= 1mA
2
0
0
TEMPERATURE ( C)
3
INPUT VOLTAGE (V)
TEMPERATURE ( C)
4
25
25
V
SHDN
5
50
50
= 0V
6
V
SHDN
75
75
7
W
T
= OPEN
J
8
LT1521 • TPC04
R
100
LT1521 • TPC07
LT1521 • TPC10
100
= 25 C
L
=
U
9
125
125
10
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
50
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
5
0
5
0
–50
LT1521-3.3
Output Voltage
0
0
LT1521-3
Quiescent Current
LT1521
Quiescent Current
I
OUT
1
1
–25
= 1mA
2
2
0
3
TEMPERATURE ( C)
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
4
4
V
25
V
V
SHDN
SHDN
SHDN
5
5
V
50
= 0V
= 0V
= OPEN
SHDN
6
6
75
= OPEN
7
7
T
T
J
J
8
8
R
LT1521 • TPC05
R
LT1521 • TPC11
LT1521 • TPC08
100
= 25 C
= 25 C
L
L
=
=
9
9
125
10
10
1000
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
LT1521-3.3/LT1521-5
900
800
700
600
500
400
300
200
100
50
45
40
35
25
20
15
10
30
5
0
0
–50
LT1521-5
Output Voltage
LT1521-3.3
Quiescent Current
0
0
LT1521-3
Ground Pin Current
T
*FOR V
1
1
–25
J
LT1521/LT1521-3
= 25 C
2
2
OUT
0
TEMPERATURE ( C)
3
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 3V
4
4
25
5
5
R
I
LOAD
R
I
LOAD
LOAD
50
LOAD
6
6
R
I
LOAD
= 25mA*
LOAD
= 120
= 1mA*
R
I
= 3k
LOAD
75
7
LOAD
7
T
= 10mA*
J
= 300
R
= 25 C
= 50mA*
LT1521 • TPC06
8
8
L
LT1521 • TPC09
= 60
LT1521 • TPC12
100
1521335fb
=
9
9
5
125
10
10

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