IR2122(S)
Functional Block Diagram
Lead Definitions
Lead
Symbol Description
VCC
IN
FAULT
COM
VB
HO
VS
CS
Logic and gate drive supply
Logic input for gate driver output (HO), out of phase with HO
Indicates over-current shutdown has occurred, negative logic
Logic ground
High side floating supply
High side gate drive output
High side floating supply return
Current sense input to current sense comparator
Lead Assignments
8 Lead PDIP
IR2122
4
8 Lead SOIC
IR2122S
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