HCPL-4506 Datasheet, PDF (12/14 Pages) Agilent(Hewlett-Packard) – Intelligent Power Module and Gate Drive Interface Optocouplers

310 Ω
+ V_R** –
1
8
20
2
C_LEDPCLED02 ^kΩ
7
C_LED01
3
C_LEDN
6
I_CLEDN*
4
5
SHIELD
V_OUT
20 kΩ
100 pF
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dV_CM/dt TRANSIENTS.
** OPTIONAL CLAMPING DIODE FOR IMPROVED CMH
PERFORMANCE. V_R < V_{F (OFF)} DURING +dV_CM/dt.
+
V_CM
Figure 24. AC Equivalent Circuit for Figure 19 During
Common Mode Transients.
+5 V
Q1
1
8
20 kΩ
2
7
3
6
4
5
SHIELD
Figure 25. Not Recommended Open
Collector LED Drive Circuit.
1
8
20
2
C_{LEDP CLED02} ^kΩ
7
20 kΩ
C_LED01
Q1
3
C_LEDN
V_OUT
6
I_CLEDN*
100 pF
4
5
SHIELD
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dV_CM/dt TRANSIENTS.
+
V_CM
Figure 26. AC Equivalent Circuit for Figure 25 During
Common Mode Transients.
+5 V
1
8
20 kΩ
2
7
3
6
4
5
SHIELD
Figure 27. Recommended LED Drive
Circuit for Ultra High CMR.
I_LED1
+5 V
310 Ω
CMOS
I_LED2
+5 V
310 Ω
CMOS
HCPL-4506
1
2
20 kΩ
8
0.1 µF
7
3
6
4
5
SHIELD
HCPL-4506
1
2
20 kΩ
8
0.1 µF
7
3
6
4
5
SHIELD
Figure 28. Typical Application Circuit.
V_CC1
20 kΩ
V_OUT1
V_CC2
20 kΩ
V_OUT2
HCPL-4506
HCPL-4506
HCPL-4506
HCPL-4506
HCPL-4506
IPM
Q1
Q2
+HV
M
-HV
1-60