Typical Performance Characteristics
These characteristic graphs are normalized at TA= 25°C.
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 4. Operating Supply Current (IOP) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 5. UVLO Start Threshold Voltage (VSTART)
vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 6. UVLO Stop Threshold Voltage (VSTOP)
vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 7. Start-up Charging Current (ICH) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 8. Initial Switching Frequency (fS) vs. TA
© 2006 Fairchild Semiconductor Corporation
FSQ0365, FSQ0265, FSQ0165, FSQ321, FSQ311 Rev. 1.0.4
9
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125
Temperature [°C]
Figure 9. Maximum On Time (tON.MAX) vs. TA
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