English
Language : 

HCPL-J314 Datasheet, PDF (14/17 Pages) Agilent(Hewlett-Packard) – 0.4 Amp Output Current IGBT Gate Drive Optocoupler
14
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.
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.