LT3022 Просмотр технического описания (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
Dropout Voltage
300
VOUT = 1.2V
270
240
210
TJ = 125°C
180
150
TJ = 25°C
120
90
TJ = –40°C
60
30
0
0 100 200 300 400 500 600 700 800 900 1000
OUTPUT CURRENT (mA)
3022 G01
Minimum Input Voltage
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
IL = 1A
100 125
3022 G04
Guaranteed Dropout Voltage
300
= TEST POINTS
270
240
TJ = 125°C
210
180
150
TJ = 25°C
120
90
60
30
0
0 100 200 300 400 500 600 700 800 900 1000
OUTPUT CURRENT (mA)
3022 G02
ADJ Pin Voltage
206
IL = 1mA
204
202
200
198
196
194
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G05
Dropout Voltage
300
270 VOUT = 1.2V
240
210
180
IL = 1A
150
120
IL = 500mA
90
IL = 100mA
60
30
IL = 10mA
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3022 G03
Output Voltage
1.236
IL = 1mA
1.224
1.212
1.200
1.188
1.176
1.164
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G05a
Output Voltage
1.545
IL = 1mA
1.530
Output Voltage
1.854
IL = 1mA
1.836
1.515
1.818
1.500
1.800
1.485
1.782
1.470
1.764
1.455
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G05b
1.746
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3022 G05c
3022fb
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