FODM453_10 Datasheet, PDF (8/14 Pages) Fairchild Semiconductor – 5-Pin Mini Flat Package High Speed Transistor Optocoupler

Pulse
Generator
tr = 5ns
I_F
Z_O = 50 Ω
10% D.C.
I/f < 100µs
Noise
+
Shield
1
I_F Monitor
3
R_m
6 ^VCC
+5 V
5 ^VO
R_L
VO
0.1 µF
4
GND
CL = 1.5 µF
I_F
0
V_O
5V
T_PHL
1.5 V
1.5 V
V_OL
T_PLH
Fig. 9 Switching Time Test Circuit
I_F
A
B
V_FF
Noise
+
Shield
1
3
+
-^VCM
Pulse Gen
6 ^VCC
5 ^VO
GND
4
+5 V
R_L
VO
0.1 µF
-
V_CM 10 V
10 %
0V
t_r
90% 90%
10 %
t_f
V_O
5V
Switch at A : I_F = 0 mA
V_O
V_OL
Switch at A : I_F = 16 mA
Fig. 10 Common Mode Immunity Test Circuit
©2003 Fairchild Semiconductor Corporation
FODM452, FODM453 Rev. 1.0.5
8
www.fairchildsemi.com