LT3500 查看數據表（PDF） - Linear Technology
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LT3500 Datasheet PDF : 28 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT3500
Shutdown Input Currents
vs Temperature
6
5
VSHDN = 0.9V
4
3
VSHDN = 0.7V
2
1
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G04
Soft-Start Source Current
vs Temperature
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G07
Power Good Thresholds
vs Temperature
0.75
0.74
0.73
RISING EDGE
0.72
0.71
0.70
FALLING EDGE
0.69
0.68
0.67
0.66
0.65
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G10
Shutdown Quiescent Current
vs Temperature
15.0
12.5
10.0
7.5
5.0
2.5
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G05
Soft-Start Feedback Offset
vs Temperature
150
125
LFB
100
FB
75
50
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G08
Power Good Sink Currents
vs Temperature
1000
900
PG
800
700
600
PG
500
400
300
200
100
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G11
Error Amplifier gm vs Temperature
400
350
300
250
200
150
100
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G06
VC Switching Threshold
vs Temperature
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G09
Frequency vs Temperature
600
RRT/SYNC = 90.9k
580
560
540
520
500
480
460
440
420
400
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3500 G12
3500fc
5
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