KA5X03XX-SERIES
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta = 25°C)
Fig.7 Stop Threshold Voltage
1.15
Fig.8 Maximum Duty Cycle
1.15
1.1
1.1
1.05
1.05
1
Vstop 1
0.95
Dmax
0.95
0.9
0.9
0.85
0.85
-25
0
25 50 75 100 125 150
-25
0
25 50 75 100 125 150
Figure 8. Maximum Duty Cycle
Figure 7. Stop Threshold Voltage
Fig.9 Vcc Zener Voltage
Fig.10 Shutdown Feedback Voltage
1.2
1.15
1.15
1.1
1.05
1.1
1.05
Vz
Vsd
1
0.95
0.9
1
0.95
0.9
0.85
0.8
0.85
-25
0
25
50
75 100 125 150
-25
0
25
50
75 100 125 150
Figure 10. Shutdown Feedback Voltage
Figure 9. V
Zener Voltage
CC
Fig.11 Shutdown DelayCurrent
Fig.12 Over Voltage Protection
1.15
1.2
1.15
1.1
1.05
1.1
1.05
Idelay
1
Vovp
1
0.95
0.9
0.95
0.9
0.85
0.8
0.85
-25
0
25 50
75 100 125 150
-25
0
25 50 75 100 125 150
Figure 12. Over Voltage Protection
Figure 11. Shutdown Delay Current
14
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
