LT3574IMS Просмотр технического описания (PDF) - Linear Technology
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LT3574IMS Datasheet PDF : 24 Pages
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LT3574
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Switch Saturation Voltage
300
250
200
25°C
150
125°C
–50°C
100
Switch Current Limit
1200
RILIM = 10k
1000
MAXIMUM CURRENT LIMIT
800
600
400
Switch Current Limit vs RILIM
1.2
1.0
0.8
0.6
0.4
50
200
MINIMUM CURRENT LIMIT
0.2
0
0
0
0 100 200 300 400 500 600 700 800 900
–50 –25 0 25 50 75 100 125
1
SWITCH CURRENT (mA)
TEMPERATURE (°C)
3574 G04
3574 G05
SHDN/UVLO Falling Threshold
1.28
SS Pin Current
12
10
20
30
40
50
RILIM RESISTANCE (kΩ)
3574 G06
1.26
10
8
1.24
6
1.22
4
1.20
2
1.18
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3574 G07
0
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3574 G08
3574f
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