FOD8320 Datasheet, PDF (14/19 Pages) Fairchild Semiconductor – High Noise Immunity, 2.5A Output Current, Gate Drive Optocoupler

Test Circuit (Continued)
1
+
–
f = 10KHz
Probe
3
DC = 50%
50Ω
6
0.1μF
5
V_O
Rg = 10Ω
+
–
V_DD = 15 to 30V
4
Cg = 10nF
I_F
t_R
V_OUT
t_F
90%
50%
10%
t_PLH
t_PHL
Figure 27. t_PHL, t_PLH, t_R and t_F Test Circuit and Waveforms
I_F
5V
+
–
A
1
B
6
0.1μF
5
V_O
+
–
V_DD = 30V
3
4
V_CM
+–
V_CM = 2,000V
0V
Δt
V_O
Switch at A: I_F = 10mA
V_O
Switch at B: I_F = 0mA
©2010 Fairchild Semiconductor Corporation
FOD8320 Rev. 1.0.6
Figure 28. CMR Test Circuit and Waveforms
14
V_OH
V_OL
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