Datasheet
IR2121 & (PbF)
4 www.irf.com
Lead Definitions
Lead
Symbol Description
V
CC
Logic and gate drive supply
IN Logic input for gate driver output (OUT), in phase with OUT
ERR Serves multiple functions; status reporting, linear mode timing and cycle by cycle logic
shutdown
COM Logic ground
OUT
Gate drive output
V
S
Gate drive supply return
CS
Current sense input to current sense comparator
Functional Block Diagram
Lead Assignments
8 Lead PDIP