LTC1643H Просмотр технического описания (PDF) - Linear Technology
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LTC1643H Datasheet PDF : 16 Pages
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LTC1643L/LTC1643L-1/LTC1643H
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit Breaker Trip Filter Time
vs Temperature
15.50
15.25
15.00
14.75
14.50
14.25
14.00
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G13
VEEIN Supply Current
vs Temperature
0.90
0.89
0.88
0.87
0.86
0.85
0.84
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G16
VOL vs Temperature
350
I = 3mA
300
FAULT
250
200
150
PWRGD
100
50
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G19
Timer Threshold Voltage
vs Temperature
1.0
0.9
0.8
V12VIN – VTIMER
0.7
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G14
5VIN Supply Current
vs Temperature
270
268
266
264
262
260
258
256
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1643 G17
12VIN Undervoltage Lockout
vs Temperature
9.515
9.510
9.505
9.500
9.495
9.490
9.485
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G20
12VIN Supply Current
vs Temperature
3.72
3.70
3.68
3.66
3.64
3.62
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G15
3VIN Supply Current
vs Temperature
275.0
272.5
270.0
267.5
265.0
262.5
260.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G18
5VIN Undervoltage Lockout
vs Temperature
2.454
2.452
2.450
2.448
2.446
2.444
2.442
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1643 G21
5
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