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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
Typical Performance Characteristics (Continued)
Figure 19. Propagation Delay to
Logic High Output (tPLH) vs. Temperature
0.45
VDD2 – 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 – 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 – 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 – 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 – TEMPERATURE (°C)
80
100
Figure 22. Propagation Delay (tP) vs. Load Resistance (RL)
0.40
VDD2 – 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 – LOAD CAPACITANCE (nF)
Figure 23. DESAT Sense to 90 % VO (tDESAT(90 %))
vs. Temperature
1.2
VDD2 – 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 – LOAD RESISTANCE (Ω)
Figure 24. DESAT Sense to 10 % VO Delay (tDESAT(10 %))
vs. Temperature
3.0
VDD2 – VSS = 15 or 30 V
VDD1 = 5 V
VIN+ = 5 V
RL = 10 Ω, CL = 10 nF
2.5
VDD2 – VSS = 30 V
2.0
VDD2 – VSS = 15 V
1.5
0.8
-40
-20
0
20
40
60
TA – TEMPERATURE (°C)
80
100
1.0
-40
-20
0
20
40
60
TA – TEMPERATURE (°C)
80
100
©2010 Fairchild Semiconductor Corporation
FOD8318 Rev. 1.1.2
13
www.fairchildsemi.com