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| KA5Q0740RT_04 Datasheet, PDF (9/12 Pages) Fairchild Semiconductor – Fairchild Power Switch(FPS) | |||
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Typical Performance Characteristics (Continued)
KA5Q0740RT
1.10
1.10
1.06
1.06
1.02
1.02
0.98
0.98
0.94
0.94
0.90
-25â 0â 25â 50â 75â 100â 125â 150â
Tem p.(ºC )
Figure 19. Peak Current Limit
0.90
-25â 0â 25â 50â 75â 100â 125â 150â
Tem p.(ºC)
Figure 20. Burst Mode Peak Current Limit
1.10
1.10
1.06
1.06
1.02
1.02
0.98
0.98
0.94
0.94
0.90
-25â 0â 25â 50â 75â 100â 125â 150â
Tem p.(ºC )
0.90
-25â 0â
25â 50â 75â 100â 125â 150â
Tem p.(ºC)
Figure 21. Normal Mode Sync. High Threshold Voltage Figure 21. Normal Mode Sync. Low Threshold Voltage
Typical Performance Characteristics(MOSFET Part)
500
400
300
200
100
0
25
EAS-TCH
50
75
100
125
150
CHANNEL TEMPERATURE Tch [â]
Figure 22. Temperature (TC) vs. Eas Curve
100
D=0.5
0.2
0.1
10-1 0.05
0.02
0.01
single pulse
â» Notes :
1. Zθ JC(t) = 1.32 â/W Max.
2. Duty Factor, D=t1/t2
3. TJM - TC = PDM * Zθ JC(t)
10-2
10-5
10-4
10-3
10-2
10-1
100
101
t1, Square Wave Pulse Duration [sec]
Figure 23. Transient Thermal Response Curve
9
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