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FOD8318 Datasheet, PDF (13/31 Pages) Fairchild Semiconductor – 2.5 A Output Current, IGBT Drive Optocoupler with Active Miller Clamp, Desaturation Detection, and Isolated Fault Sensing | |||
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Typical Performance Characteristics (Continued)
Figure 19. Propagation Delay to
Logic High Output (tPLH) vs. Temperature
0.45
VDD2 â VSS = 30 V
f = 10 kHz 50 % Duty Cycle
RL = 10 Ω, CL = 10 nF
0.40
Figure 20. Propagation Delay to
Logic Low Output (tPHL) vs. Temperature
0.35
VDD2 â VSS = 30 V
f = 10 kHz 50 % Duty Cycle
RL = 10 Ω, CL = 10 nF
0.30
0.35
0.25
0.30
0.25
-40
-20
0
20
40
60
TA â TEMPERATURE (°C)
VDD1 = 4.5 V
VDD1 = 5.0 V
VDD1 = 5.5 V
80
100
Figure 21. Propagation Delay (tP) vs. Load Capacitance (CL)
0.40
VDD2 â VSS = 30 V
VDD1 = 5 V
f = 10 kHz 50 % Duty Cycle
RL = 10 Ω
0.35
tPLH
0.30
0.25
tPHL
0.20
0.15
-40
VDD1 = 4.5 V
VDD1 = 5.0 V
VDD1 = 5.5 V
-20
0
20
40
60
TA â TEMPERATURE (°C)
80
100
Figure 22. Propagation Delay (tP) vs. Load Resistance (RL)
0.40
VDD2 â VSS = 30 V
VDD1 = 5 V
f = 10 kHz 50 % Duty Cycle
CL = 10 nF
0.35
0.30
tPLH
0.25
tPHL
0.20
0
20
40
60
80
100
CL â LOAD CAPACITANCE (nF)
Figure 23. DESAT Sense to 90 % VO (tDESAT(90 %))
vs. Temperature
1.2
VDD2 â VSS = 30 V
VDD1 = 5 V
VIN+ = 5 V
RL = 10 Ω, CL = 10 nF
1.1
1.0
0.9
0.20
0
10
20
30
40
50
RL â LOAD RESISTANCE (Ω)
Figure 24. DESAT Sense to 10 % VO Delay (tDESAT(10 %))
vs. Temperature
3.0
VDD2 â VSS = 15 or 30 V
VDD1 = 5 V
VIN+ = 5 V
RL = 10 Ω, CL = 10 nF
2.5
VDD2 â VSS = 30 V
2.0
VDD2 â VSS = 15 V
1.5
0.8
-40
-20
0
20
40
60
TA â TEMPERATURE (°C)
80
100
1.0
-40
-20
0
20
40
60
TA â TEMPERATURE (°C)
80
100
©2010 Fairchild Semiconductor Corporation
FOD8318 Rev. 1.1.2
13
www.fairchildsemi.com
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