Datasheet

5
LT1521/LT1521-3
LT1521-3.3/LT1521-5
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TYPICAL PERFORMANCE CHARACTERISTICS
U
W
LT1521-3
Quiescent Current
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (µA)
50
45
40
35
30
25
20
15
10
5
0
8
LT1521 • TPC08
213579
4
6
10
T
J
= 25°C
R
L
= ∞
V
SHDN
= OPEN
V
SHDN
= 0V
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (µA)
30
40
50
45
35
25
15
5
8
LT1521 • TPC09
20
10
0
213579
4
6
10
T
J
= 25°C
R
L
= ∞
LT1521-3.3
Quiescent Current
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (µA)
50
45
40
35
30
25
20
15
10
5
0
8
LT1521 • TPC11
213579
4
6
10
T
J
= 25°C
R
L
= ∞
V
SHDN
= OPEN
V
SHDN
= 0V
LT1521-3
Ground Pin Current
INPUT VOLTAGE (V)
0
GROUND PIN CURRENT (µA)
1000
900
800
700
600
500
400
300
200
100
0
8
LT1521 • TPC12
213579
4
6
10
T
J
= 25°C
*FOR V
OUT
= 3V
R
LOAD
= 3k
I
LOAD
= 1mA*
R
LOAD
= 300Ω
I
LOAD
= 10mA*
R
LOAD
= 120Ω
I
LOAD
= 25mA*
R
LOAD
= 60Ω
I
LOAD
= 50mA*
LT1521
Quiescent Current
LT1521-3
Output Voltage
LT1521-3.3
Output Voltage
LT1521-5
Output Voltage
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
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
OUTPUT VOLTAGE (V)
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
I
OUT
= 1mA
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
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
LT1521
Adjust Pin Voltage
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
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
I
LOAD
= 1mA
LT1521-5
Quiescent Current
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (µA)
50
45
40
35
30
25
20
15
10
5
0
8
LT1521 • TPC10
213579
4
6
10
T
J
= 25°C
R
L
= ∞
V
SHDN
= OPEN
V
SHDN
= 0V