LT3573 Просмотр технического описания (PDF) - Linear Technology
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LT3573 Datasheet PDF : 26 Pages
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LT3573
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Switch VCESAT
400
350
25°C
300
125°C
250
–50°C
200
150
100
50
0
0 0.25 0.50 0.75 1.00 1.25 1.50
SWITCH CURRENT (A)
3573 G04
Switch Current Limit
1.8
MAXIMUM CURRENT LIMIT
1.6
1.4
1.2
1.0
RILIM = 10k
0.8
0.6
0.4
MINIMUM CURRENT LIMIT
0.2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3573 G05
Switch Current Limit vs RILIM
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
10
20
30
40
50
RILIM RESISTANCE (k)
3573 G06
SHDN/UVLO Falling Threshold
1.28
1.26
1.24
1.22
1.20
1.18
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3573 G07
SS Pin Current
12
10
8
6
4
2
0
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3573 G08
3573fd
4
For more information www.linear.com/LT3573
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