4

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Symbol Description

IN

Logic input for high side and low side gate driver outputs (HO & LO), in phase with HO

High side floating supply

HO

High side gate drive output

High side floating supply return

Low side and logic fixed supply

LO

Low side gate drive output

COM

Low side return

Functional Block Diagram

8 Lead DIP

8 Lead SOIC

IR2111

IR2111S

Part Number

Lead Assignments

Lead Definitions

PULSE

GEN

IN

UV

DETECT

COM

HO

V

S

V

CC

LO

V

B

Q

S

R

R

PULSE

FILTER

HV

LEVEL

SHIFT

DEAD

TIME

DEAD

TIME

UV

DETECT