HCPL-314J-300 HP [Agilent(Hewlett-Packard)], HCPL-314J-300 Datasheet - Page 14

• Manufacturer Part Number: HCPL-314J-300
• Description: 0.4 Amp Output Current IGBT Gate Drive Optocoupler
• Manufacturer: HP [Agilent(Hewlett-Packard)]

Figure 23. Equivalent Circuit for Figure 17 During Common
Mode Transient.
Figure 24. Not Recommended Open Collector
Drive Circuit.
Figure 21. Optocoupler Input to Output
Capacitance Model for Unshielded Optocouplers.
+5 V
1
2
3
4
+5 V
Q1
C
C
LEDP
LEDN
V
+
–
SAT
1
2
3
4
* THE ARROWS INDICATE THE DIRECTION
OF CURRENT FLOW DURING –dV
1
2
3
4
C
C
I
LEDN
LEDP
LEDN
C
C
SHIELD
I
LEDP
LEDP
LEDN
SHIELD
8
7
6
5
V
+
CM
–
8
7
6
5
CM
/dt.
8
7
6
5
0.1
µF
+
–
Rg
V
CC
Figure 22. Optocoupler Input to Output
Capacitance Model for Shielded Optocouplers.
Figure 25. Recommended LED Drive Circuit for Ultra-High
CMR IPM Dead Time and Propagation Delay Specifications.
1
2
3
4
= 18 V
• • •
• • •
+5 V
C
C
LEDP
LEDN
SHIELD
C
LEDO1
1
2
3
4
C
C
C
LEDO2
LEDP
LEDN
SHIELD
14
8
7
6
5
8
7
6
5