SI823X Datasheet, PDF (4/52 Pages) Silicon Laboratories – 0.5 AND 4.0 AMP ISODRIVERS (2.5 AND 5 KVRMS)

Si823x
1. Top-Level Block Diagrams
VIA
DT
VDDI
VDDI
UVLO
DISABLE
VDDI
DT CONTROL
&
OVERLAP
PROTECTION
UVLO
VDDI
UVLO
VDDA
VOA
GNDA
VDDB
VOB
GNDB
VIB
GNDI
Si8230/3
Figure 1. Si8230/3 Two-Input High-Side / Low-Side Isolated Drivers
PWM
LPWM
DT
VDDI
VDDI
UVLO
DISABLE
LPWM
VDDI
DT CONTROL
&
OVERLAP
PROTECTION
UVLO
VDDI
UVLO
VDDA
VOA
GNDA
VDDB
VOB
GNDB
GNDI
Si8231/4
Figure 2. Si8231/4 Single-Input High-Side / Low-Side Isolated Drivers
4
Rev. 0.3