SI88240ED-IS Datasheet, PDF (37/48 Pages) Silicon Laboratories – QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER

Pin Name
DC-DC Input Side
VDDP
VREGA
GNDP
ESW
VSW
SS
SH, SH_FC
RSN
DC-DC Output Side
VSNS
COMP
VREGB
DNC
NC
Digital Isolator VDDA Side
VDDA
A1–A4
GNDA
Digital Isolator VDDB Side
VDDB
B1–B4
GNDB
Si88x4x
Table 12. Si88x4x Pin Descriptions
Description
Power stage primary power supply.
Voltage reference output for external voltage regulator pin.
Power stage ground.
Power stage external switch driver output.
Power stage internal switch output.
Soft startup control.
Shutdown and Switch frequency control.
Power stage current sense input.
Power stage feedback input.
Power stage compensation.
Voltage reference output for external voltage regulator pin.
Do not connect; leave open.
No connect; this pin is not connected to the silicon.
Primary side signal power supply.
I/O signal channel 1–4.
Primary side signal ground.
Secondary side signal power supply.
I/O signal channel 1–4.
Secondary side signal ground.
Preliminary Rev. 0.6
37