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LT1947 データシートの表示(PDF) - Linear Technology

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LT1947 Datasheet PDF : 12 Pages
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LT1947
TYPICAL PERFOR A CE CHARACTERISTICS
SW1 Current Limit
1.8
1.6
1.4
1.2
1.0
0.8
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1947 G04
Switch 1 Saturation Voltage
500
400
25°C
300
90°C
200
–45°C
100
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
SWITCH CURRENT (A)
1947 G06
SW1 Maximum Duty Cycle
100
90
80
70
60
50
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1947 G08
SW2 Current Limit
1.0
0.8
0.6
0.4
0.2
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1947 G05
Switch 2 Saturation Voltage
800
25°C
600
90°C
400
–45°C
200
0
0 0.1 0.2 0.3 0.4 0.5 0.6
SWITCH CURRENT (A)
1947 G07
Oscillator Frequency
3.2
3.0
2.8
2.6
2.4
2.2
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1947 G09
1947fa
4

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