Typical Performance Characteristics
Characteristic graphs are normalized at TA=25°C.
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.80
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
Temperature [ °C]
Temperature [ °C]
Figure 10. UVLO Threshold Voltage (VSTART) vs. TA.
Figure 11. UVLO Threshold Voltage (VSTOP) vs. TA.
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.80
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
Temperature [ °C]
Temperature [ °C]
Figure 12. Shutdown Feedback Voltage (VSD) vs. TA.
Figure 13. Over-Voltage Protection (VOVP) vs. TA.
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.80
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
‐40'C ‐25'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C
Temperature [ °C]
Temperature [ °C]
Figure 14. Switching Frequency (fS) vs. TA.
Figure 15. Maximum Duty Ratio (DMAX) vs. TA
© 2012 Fairchild Semiconductor Corporation
FSL117MRN • Rev.1.0.0
www.fairchildsemi.com
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