HCPL-3140 View Datasheet(PDF) - Avago Technologies
Part Name
Description
MFG CO.
'HCPL-3140' PDF : 16 Pages View PDF
1
8
CLEDP
2
7
3
6
CLEDN
4
5
Figure 21. Optocoupler input to output capacitance model
for unshielded optocouplers.
1
CLEDO1
8
CLEDP
2
7
CLEDO2
3
6
CLEDN
4
5
SHIELD
Figure 22. Optocoupler input to output capacitance model
for shielded optocouplers.
+5 V
+
VSAT
–
1
CLEDP
2
ILEDP
3
CLEDN
4
SHIELD
8
0.1
7
µF
+
–
VCC = 18 V
6
•••
Rg
5
•••
* THE ARROWS INDICATE THE DIRECTION
OF CURRENT FLOW DURING –dVCM/dt.
+–
VCM
Figure 23. Equivalent circuit for Figure 17 during common mode transient.
1
8
+5 V
CLEDP
2
7
3
6
Q1
CLEDN
ILEDN
4
5
SHIELD
Figure 24. Not recommended open collector drive circuit.
13
1
8
+5 V
CLEDP
2
7
3
6
CLEDN
4
5
SHIELD
Figure 25. Recommended LED drive circuit for ultra-high CMR IPM
dead time and propagation delay specifications.
Share Link: 
