Typical Performance Characteristics
These characteristic graphs are normalized at TA=25ºC.
1.1
1.1
1.05
1.05
1
1
0.95
0.95
0.9
-50
-25
0
25
50
75
100
Figure 4. Low-Side MOSFET Duty Cycle
vs. Temperature
1.1
0.9
-50
-25
0
25
50
75
100
Figure 5. Switching Frequency vs. Temperature
1.1
1.05
1.05
1
1
0.95
0.95
0.9
-50
-25
0
25
50
75
100
0.9
-50
-25
0
25
50
75
100
Figure 6. High-Side VCC (HVCC) Start vs. Temperature Figure 7. High-Side VCC (HVCC) Stop vs. Temperature
1.1
1.1
1.05
1.05
1
1
0.95
0.95
0.9
-50
-25
0
25
50
75
100
0.9
-50
-25
0
25
50
75
100
Figure 8. Low-Side VCC (LVCC) Start vs. Temperature Figure 9. Low-Side VCC (LVCC) Stop vs. Temperature
© 2011 Fairchild Semiconductor Corporation
FSFR1800 / FSFR1700-HS • Rev.1.0.0
6
www.fairchildsemi.com