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参数资料
| 型号： | LT1529IT-3.3 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSFM5 |
| 封装： | PLASTIC, TO-220, 5 PIN |
| 文件页数： | 5/12页 |
| 文件大小： | 139K |
| 代理商： | LT1529IT-3.3 |
5
LT1529
LT1529-3.3/LT1529-5
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
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
G
60
80
100
8
LT1529 G15
40
20
50
70
90
30
10
0
2
4
6
1
9
3
5
7
10
T
J
= 25
°
C
V
= V
ADJ
*FOR V
OUT
= 3.75V
R
LOAD
= 1.25
I
LOAD
= 3A*
R
LOAD
= 2.5
I
LOAD
= 1.5A*
R
LOAD
= 5.3
I
LOAD
= 700mA*
OUTPUT CURRENT (A)
0
0
G
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
= 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
S
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
S
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
G
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
1
9
3
5
7
10
T
J
= 25
°
C
V
= V
SENSE
*FOR V
OUT
R
LOAD
= 6.6
I
LOAD
= 500mA*
R
LOAD
= 11
I
LOAD
= 300mA*
R
LOAD
= 33
I
LOAD
= 100mA*
R
LOAD
= 330
I
LOAD
= 10mA*
INPUT VOLTAGE (V)
0
G
60
80
100
8
LT1529 G13
40
20
50
70
90
30
10
0
2
4
6
1
9
3
5
7
10
T
J
= 25
°
C
V
OUT
= V
SENSE
R
LOAD
= 1.1
I
LOAD
= 3A*
R
LOAD
= 2.2
I
LOAD
= 1.5A*
R
LOAD
= 4.7
I
LOAD
= 700mA*
*FOR V
OUT
= 3.3V
INPUT VOLTAGE (V)
0
G
60
80
100
8
LT1529 G14
40
20
50
70
90
30
10
0
2
4
6
1
9
3
5
7
10
T
J
= 25
°
C
V
= V
SENSE
*FOR V
OUT
R
LOAD
= 1.7
I
LOAD
= 3A*
R
LOAD
= 3.3
I
LOAD
= 1.5A*
R
LOAD
= 7.1
I
LOAD
INPUT VOLTAGE (V)
0
G
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
1
9
3
5
7
10
T
J
= 25
°
C
V
= V
SENSE
*FOR V
OUT
R
LOAD
= 10
I
LOAD
= 500mA*
R
LOAD
= 16.6
I
LOAD
= 300mA*
R
LOAD
= 500
I
LOAD
= 10mA*
R
LOAD
= 50
I
LOAD
= 100mA*
INPUT VOLTAGE (V)
0
G
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
1
9
3
5
7
10
T
J
= 25
°
C
V
= V
ADJ
*FOR V
OUT
=
3.75V
R
LOAD
= 7.5
I
LOAD
= 500mA*
R
LOAD
= 12.5
I
LOAD
= 300mA*
R
LOAD
= 375
I
LOAD
= 10mA*
R
LOAD
= 38
I
LOAD
= 100mA*
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