LT3022 查看數據表（PDF） - Linear Technology
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LT3022 Datasheet PDF : 20 Pages
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LT3022/LT3022-1.2
LT3022-1.5/LT3022-1.8
TYPICAL PERFORMANCE CHARACTERISTICS
ADJ Pin Bias Current
100
90
80
70
60
50
40
30
20
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G06
Quiescent Current
1000
900
800
VIN = 6V
VOUT = 1.2V
IL = 0
700
600
VSHDN = VIN
500
400
300
200
100
0
–50 –25
VSHDN = 0V
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G07
Quiescent Current
5.0
4.5
4.0
VOUT = 1.2V
IL = 0
TJ = 25°C
3.5
3.0
VSHDN = VIN
2.5
2.0
1.5
1.0
0.5
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G08
Quiescent Current
5.0
4.5
VOUT = 1.5V
IL = 0
4.0
TJ = 25°C
3.5
3.0
VSHDN = VIN
2.5
2.0
1.5
1.0
0.5
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G09
Quiescent Current
5.0
4.5
VOUT = 1.8V
IL = 0
4.0
TJ = 25°C
3.5
3.0
VSHDN = VIN
2.5
2.0
1.5
1.0
0.5
VSHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G10
GND Pin Current
24
21
VOUT = 1.2V
TJ = 25°C
18
RL = 1.2Ω
IL = 1A
15
12
9
RL = 2.4Ω
IL = 500mA
RL = 120Ω
IL = 10mA
RL = 1.2k
IL = 1mA
6
RL = 12Ω
IL = 100mA
3
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G11
GND Pin Current
24
21
VOUT = 1.5V
TJ = 25°C
18
RL = 1.5Ω
IL = 1A
15
12
9
RL = 3Ω
IL = 500mA
RL = 150Ω
IL = 10mA
RL = 1.5k
IL = 1mA
6
RL = 15Ω
IL = 100mA
3
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G12
GND Pin Current
24
21
VOUT = 1.8V
TJ = 25°C
18
RL = 1.8Ω
15
IL = 1A
12
RL = 3.6Ω
9
IL = 500mA RL = 180Ω RL = 1.8k
IL = 10mA IL = 1mA
6
RL = 18Ω
3
IL = 100mA
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3022 G13
3022fb
7
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