|
HCPL-4506-500E Datasheet, PDF (18/21 Pages) AVAGO TECHNOLOGIES LIMITED – Intelligent Power Module and Gate Drive Interface Optocouplers | |||
|
◁ |
1
8
ITOTAL* ICLEDP
20
kâ¦
310 â¦
2
IF
CLED02
CLEDP
7
CLED01
ICLED01
3
6
CLEDN
4
5
SHIELD
VOUT
20 kâ¦
100 pF
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dVCM/dt TRANSIENTS.
+
VCM
Figure 19. AC equivalent circuit for Figure 18 during common mode
transients.
HCPL-4506 fig 23-new
310 â¦
+ VR** â
1
8
20
2
CLEDPCLED02 kâ¦
7
CLED01
3
CLEDN
6
ICLEDN*
4
5
SHIELD
VOUT
20 kâ¦
100 pF
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dVCM/dt TRANSIENTS.
** OPTIONAL CLAMPING DIODE FOR IMPROVED CMH
PERFORMANCE. VR < VF (OFF) DURING +dVCM/dt.
+
VCM
HCPL-4506 fig 24-new
Figure 20. AC equivalent circuit for Figure 15 during common mode
transients.
+5 V
Q1
1
8
20 kâ¦
2
7
3
6
4
5
SHIELD
Figure 21. Not recommended open collector LED
drive circuit.
HCPL-4506 fig 25-new
1
8
20
2
CLEDP CLED02 kâ¦
7
20 kâ¦
CLED01
Q1
3
CLEDN
VOUT
6
ICLEDN*
100 pF
4
5
SHIELD
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dVCM/dt TRANSIENTS.
+
VCM
Figure 22. AC Equivalent circuit for Figure 21 during common mode
transients.
HCPL-4506 fig 26-new
1
+5 V
2
8
20 kâ¦
7
3
6
4
5
SHIELD
Figure 23. Recommended LED drive circuit for
ultra high CMR.
HCPL-4506 fig 27
18
|
▷ |