LT121IZ-3.3(RevE) Просмотр технического описания (PDF) - Linear Technology
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LT121IZ-3.3 Datasheet PDF : 16 Pages
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LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFOR A CE CHARACTERISTICS
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 G22
LT1121-3.3
Ground Pin Current
800
TJ = 25°C
700
600
RLOAD = 130Ω
ILOAD = 25mA*
500
400
RLOAD = 330Ω
ILOAD = 10mA*
300
*FOR VOUT = 3.3V
200
RLOAD = 3.3k
100
ILOAD = 1mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G10
LT1121-3.3
Ground Pin Current
10
TJ = 25°C
9
8
RLOAD = 22Ω
7
ILOAD = 150mA*
6
5
RLOAD = 33Ω
ILOAD = 100mA*
4
3
RLOAD = 66Ω
2
ILOAD = 50mA*
1
*FOR VOUT = 3.3V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G09
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 G23
LT1121-5
Ground Pin Current
800
TJ = 25°C
700
600
RLOAD = 200Ω
ILOAD = 25mA*
500
400
RLOAD = 500Ω
ILOAD = 10mA*
300
*FOR VOUT = 5V
200
RLOAD = 5k
100
ILOAD = 1mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G06
LT1121-5
Ground Pin Current
10
TJ = 25°C
9
8
7
RLOAD = 33Ω
ILOAD = 150mA*
6
5
RLOAD = 50Ω
ILOAD = 100mA*
4
3
RLOAD = 100Ω
2
ILOAD = 50mA*
1
*FOR VOUT = 5V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G05
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 G24
LT1121
Ground Pin Current
800
TJ = 25°C
700 VOUT = VADJ
600
RLOAD = 150Ω
ILOAD = 25mA*
500
400
RLOAD = 380Ω
ILOAD = 10mA*
300
*FOR VOUT = 3.75V
200
RLOAD = 3.8k
100
ILOAD = 1mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G08
LT1121
Ground Pin Current
10
TJ = 25°C
9 VOUT = VADJ
8
7
RLOAD = 25Ω
6
ILOAD = 150mA*
5
RLOAD = 38Ω
4
ILOAD = 100mA*
3
2
RLOAD = 75Ω
ILOAD = 50mA*
1
*FOR VOUT = 3.75V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1121 G07
1121fe
5
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