Data Sheet

© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSL126MR • Rev. 1.0.1 7
FSL126MR — Green Mode Fairchild Power Switch (FPS™)
Typical Performance Characteristics
These characteristic graphs are normalized at T
A
=25.
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
-40℃ -25℃ 0℃ 25℃ 50℃ 75℃ 100℃ 120℃ 140℃
Operating Frequency (f
OSC
)
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
-40℃ -25℃ 0℃ 25℃ 50℃ 75℃ 100℃ 120℃ 140℃
Maximum Duty Cycle (D
MAX
)
Figure 4. Operating Frequency vs. Temperature Figure 5. Maximum Duty Cycle vs. Temperature
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
-40 -25 0 25 50 75 100 120 140
Operating Supply Current (I
op2
)
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
-40 -25 0 25 50 75 100 120 140
Start Threshold Voltage (V
START
)
Figure 6. Operating Supply Current vs. Temperature Figure 7. Start Threshold Voltage vs. Temperature
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
-40 -25 0 25 50 75 100 120 140
Stop Threshold Voltage (V
STOP
)
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
-40℃ -25℃ 0℃ 25℃ 50℃ 75℃ 100℃ 120℃ 140℃
Feedback Source Current (I
FB
)
Figure 8. Stop Threshold Voltage vs. Temperature Figure 9. Feedback Source Current vs. Temperature