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5

14-Lead PDIP

14-Lead SOIC

IR21844

IR21844S

Lead Assignments

8-Lead PDIP

8-Lead SOIC

Lead Definitions

Symbol Description

IN

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

for IR2184 and VSS for IR21844)

SD

DT

VSS

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

IR2184

IR2184S

1

2

3

4

8

7

6

5

IN

SD

COM

LO

VB

HO

VS

VCC

1

2

3

4

8

7

6

5

IN

SD

COM

LO

VB

HO

VS

VCC

1

2

3

4

5

6

7

13

12

11

10

9

8

IN

SD

VSS

DT

COM

LO

VCC

VB

HO

VS

1

2

3

4

5

6

7

13

12

11

10

9

8

IN

SD

VSS

DT

COM

LO

VCC

VB

HO

VS