SG6846B Просмотр технического описания (PDF) - Fairchild Semiconductor
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SG6846B Datasheet PDF : 15 Pages
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Typical Performance Characteristics (Continued)
Normal PWM Frequency (f OSC) vs Temperature
64.0
63.5
63.0
62.5
62.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Maximum Duty Cycle (DCYmax) vs Temperature
87.2
87.0
86.8
86.6
86.4
86.2
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃ )
Figure 14. Normal PWM Frequency (fOSC)
vs. Temperature
Figure 15. Maximum Duty Cycle (DCYmax)
vs. Temperature
Output Current of RT Pin (IRT) vs Temperature
70.8
70.6
70.4
70.2
70.0
69.8
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Figure 16. Output Current of RT pin (IRT)
vs. Temperature
Trigger Voltage of OTP (VRTTH) vs Temperature
1.10
1.08
1.06
1.04
1.02
1.00
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Figure 17. Trigger Voltage of OTP(VRTTH)
vs. Temperature
0.925
PW M Turn-on Threshold Voltage (VIN-ON) vs Temperature
0.920
0.915
0.910
0.905
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃ )
PW M Turn-off Threshold Voltage (VIN-OFF) vs Temperature
0 .7 1 5
0 .7 1 0
0 .7 0 5
0 .7 0 0
0 .6 9 5
0 .6 9 0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃ )
Figure 18. PWM Turn-on Threshold Voltage (VIN-ON)
vs. Temperature
Figure 19. PWM Turn-off Threshold Voltage (VIN-OFF)
vs. Temperature
© 2008 Fairchild Semiconductor Corporation
SG6846B • Rev. 1.3.3
10
www.fairchildsemi.com
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