6

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14 Lead PDIP

14 Lead SOIC

IR21094

IR21094S

Lead Assignments

8 Lead PDIP

8 Lead SOIC

1

2

3

4

8

7

6

5

VCC

IN

SD

COM

VB

HO

VS

LO

1

2

3

4

8

7

6

5

VCC

IN

SD

COM

VB

HO

VS

LO

1

2

3

4

5

6

7

13

12

11

10

9

8

VCC

IN

SD

DT

VSS

COM

LO

VB

HO

VS

1

2

3

4

5

6

7

13

12

11

10

9

8

VCC

IN

SD

DT

VSS

COM

LO

VB

HO

VS

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 IR2109 and VSS for IR21094)

SD

DT

Programmable dead-time lead, referenced to VSS. (IR21094 only)

VSS

Logic Ground (21094 only)

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

IR2109

IR2109S