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ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - LDO voltage regulator Positive, fixed TO 220 5
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5
LT1529
LT1529-3.3/LT1529-5
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CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
LT1529-3.3
GND Pin Current
LT1529-5
GND Pin Current
LT1529
GND Pin Current
LT1529-5
GND Pin Current
GND Pin Current
SHDN Pin Threshold
(Off-to-On)
LT1529-3.3
GND Pin Current
LT1529
GND Pin Current
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
60
80
100
8
LT1529 • G15
40
20
50
70
90
30
10
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
ADJ
*FOR V
OUT
= 3.75V
R
LOAD
= 1.25W
I
LOAD
= 3A*
R
LOAD
= 2.5Ω
I
LOAD
= 1.5A*
R
LOAD
= 5.3Ω
I
LOAD
= 700mA*
OUTPUT CURRENT (A)
0
0
GND PIN CURRENT (mA)
20
30
40
50
60
70
0.5
1.0
1.5 2.0
LT1529 • G16
2.5
80
90
100
10
3.0
V
IN
= 3.75V (LT1529)
V
IN
= 3.3V (LT1529-3.3)
V
IN
= 5V (LT1529-5)
DEVICE IS OPERATING
IN DROPOUT
T
J
= 125°C
T
J
= –50°C
T
J
= 25°C
SHDN Pin Threshold
(On-to-Off)
TEMPERATURE (°C)
–50
0
SHDN THRESHOLD (V)
0.2
0.6
0.8
1.0
2.0
1.4
0
50
75
LT1529 • G17
0.4
1.6
1.8
1.2
–25
25
100
125
I
LOAD
= 1mA
TEMPERATURE (°C)
–50
0
SHDN THRESHOLD (V)
0.2
0.6
0.8
1.0
2.0
1.4
0
50
75
LT1529 • G18
0.4
1.6
1.8
1.2
–25
25
100
125
I
LOAD
= 3A
I
LOAD
= 1mA
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
3.0
4.0
5.0
8
LT1529 • G10
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
SENSE
*FOR V
OUT
= 3.3V
R
LOAD
= 6.6Ω
I
LOAD
= 500mA*
R
LOAD
= 11Ω
I
LOAD
= 300mA*
R
LOAD
= 33Ω
I
LOAD
= 100mA*
R
LOAD
= 330Ω
I
LOAD
= 10mA*
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
60
80
100
8
LT1529 • G13
40
20
50
70
90
30
10
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
SENSE
R
LOAD
= 1.1Ω
I
LOAD
= 3A*
R
LOAD
= 2.2Ω
I
LOAD
= 1.5A*
R
LOAD
= 4.7Ω
I
LOAD
= 700mA*
*FOR V
OUT
= 3.3V
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
60
80
100
8
LT1529 • G14
40
20
50
70
90
30
10
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
SENSE
*FOR V
OUT
= 5V
R
LOAD
= 1.7Ω
I
LOAD
= 3A*
R
LOAD
= 3.3Ω
I
LOAD
= 1.5A*
R
LOAD
= 7.1Ω
I
LOAD
= 700mA*
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
3.0
4.0
5.0
8
LT1529 • G11
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
SENSE
*FOR V
OUT
= 5V
R
LOAD
= 10Ω
I
LOAD
= 500mA*
R
LOAD
= 16.6Ω
I
LOAD
= 300mA*
R
LOAD
= 500Ω
I
LOAD
= 10mA*
R
LOAD
= 50Ω
I
LOAD
= 100mA*
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
3.0
4.0
5.0
8
LT1529 • G12
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
2
4
6
19
3
5
7
10
T
J
= 25°C
V
OUT
= V
ADJ
*FOR V
OUT
=
3.75V
R
LOAD
= 7.5Ω
I
LOAD
= 500mA*
R
LOAD
= 12.5Ω
I
LOAD
= 300mA*
R
LOAD
= 375Ω
I
LOAD
= 10mA*
R
LOAD
= 38Ω
I
LOAD
= 100mA*