LT1129CF-3.3 查看數據表（PDF） - Linear Integrated System
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LT1129CF-3.3 Datasheet PDF : 16 Pages
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LT 1129/LT 1129-3.3/LT 1129-5
TYPICAL PERFOR A CE CHARACTERISTICS
Guaranteed Dropout Voltage
0.7
0.6
TJ ≤ 125°C
0.5
0.4
TJ ≤ 25°C
0.3
0.2
0.1
0
0
= TEST POINTS
0.1 0.2 0.3 0.4 0.5
OUTPUT CURRENT (A)
0.6 0.7
1129 G02
LT1129-3.3
Quiescent Current
250
225
ILOAD = 0
RLOAD = ∞
200
175
150
VSHDN = OPEN (HI)
125
100
75
50
25
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1129 G12
LT1129-3.3
Output Voltage
3.400
ILOAD = 1mA
3.375
3.350
3.325
3.300
3.275
3.250
3.225
3.200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1129 G06
Dropout Voltage
0.7
A. ILOAD = 700mA
0.6 B. ILOAD = 500mA
C. ILOAD = 300mA
A
0.5
D. ILOAD = 100mA
E. ILOAD = 10mA
B
0.4
C
D
0.3
0.2
E
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1129 G10
LT1129-5
Quiescent Current
250
225
200
ILOAD = 0
RLOAD = ∞
175
150
VSHDN = OPEN (HI)
125
100
75
50
25
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1129 G14
LT1129-5
Output Voltage
5.100
ILOAD = 1mA
5.075
5.050
5.025
5.000
4.975
4.950
4.925
4.900
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1129 G04
Quiescent Current
70
60
50
VSHDN = OPEN (HI)
40
30
20
VSHDN = 0V
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1129 G11
LT1129
Quiescent Current
250
225
200
ILOAD = 0
RLOAD = ∞
VOUT = VADJ
175
150
VSHDN = OPEN (HI)
125
100
75
50
25
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1129 G13
LT1129
Adjust Pin Voltage
3.850
ILOAD = 1mA
3.825
3.800
3.775
3.750
3.725
3.700
3.675
3.650
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1129 G05
112935fc
5
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