ACPL-M46T Datasheet, PDF (12/13 Pages) AVAGO TECHNOLOGIES LIMITED – Automotive Intelligent Power Module with R2Coupler Isolation and Small Outline, 5 Lead Package

+5 V
1
6
5
3
4
Q1
SHIELD
Figure 19. Not Recommended Open Collector LED Drive Circuit.
+5 V
1
6
5
3
4
SHIELD
Figure 21. Recommended LED Drive Circuit for Ultra High CMR.
C_LEDP
1
C_LED01
6
5 ^VOUT
Q1
C_LEDN
3
4
I_CLEDN* SHIELD
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR +dV_CM/dt TRANSIENTS.
+
V_CM
20 kΩ
100 pF
Figure 20. AC Equivalent Circuit for Figure 19 during Common Mode
Transients.
I_LED1
+5 V
ACPL-M46T
1
310 Ω
3
CMOS
SHIELD
I_LED2
+5 V
ACPL-M46T
1
310 Ω
3
CMOS
SHIELD
6
0.1 μF
5
4
V_CC1
20 kΩ
VOUT1
6
0.1 μF
5
4
V_CC2
20 kΩ
VOUT2
ACPL-M46T
ACPL-M46T
ACPL-M46T
ACPL-M46T
ACPL-M46T
Figure 22. Typical Application Circuit.
IPM
Q1
Q2
+HV
M
-HV
12