LT1627 Просмотр технического описания (PDF) - Linear Technology
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LT1627 Datasheet PDF : 16 Pages
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LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFORMANCE 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
20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
1121 G01
LT1121-3.3
Quiescent Current
120
100
TJ = 25°C
RLOAD = ∞
80
VSHDN = OPEN
60
40
20
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G04
LT1121-3.3
Output Voltage
3.38
IOUT = 1mA
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1121 G07
Dropout Voltage
0.7
0.6
ILOAD = 150mA
0.5
ILOAD = 100mA
0.4
0.3
ILOAD = 50mA
0.2
ILOAD = 1mA
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1121 G02
LT1121-5
Quiescent Current
120
100
TJ = 25°C
RLOAD = ∞
80
VSHDN = OPEN
60
40
20
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G05
LT1121-5
Output Voltage
5.08
IOUT = 1mA
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1121 G08
Quiescent Current
50
VIN = 6V
RLOAD = ∞
40
VSHDN = OPEN
30
20
VSHDN = 0V
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1121 G03
LT1121
Quiescent Current
120
100
TJ = 25°C
RLOAD = ∞
VOUT = VADJ
80
VSHDN = OPEN
60
40
20
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G06
LT1121
Adjust Pin Voltage
3.83
IOUT = 1mA
3.81
3.79
3.77
3.75
3.73
3.71
3.69
3.67
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1121 G09
1121fg
5
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