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5

IRS2108/IRS21084(S)PbF

14 Lead PDIP

14 Lead SOIC

IRS21084PbF

IRS21084SPbF

Lead Assignments

8 Lead PDIP

8 Lead SOIC

1

2

3

4

8

7

6

5

VCC

HIN

LIN

COM

VB

HO

VS

LO

1

2

3

4

8

7

6

5

VCC

HIN

LIN

COM

VB

HO

VS

LO

1

2

3

4

5

6

7

13

12

11

10

9

8

VCC

HIN

LIN

DT

VSS

COM

LO

VB

HO

VS

1

2

3

4

5

6

7

13

12

11

10

9

8

VCC

HIN

LIN

DT

VSS

COM

LO

VB

HO

VS

Lead Definitions

Symbol Description

HIN

Logic input for high-side gate driver output (HO), in phase (referenced to COM for IRS2108

and VSS for IRS21084)

Logic input for low-side gate driver output (LO), out of phase (referenced to COM for IRS2108

and VSS for IRS21084)

DT

Programmable deadtime lead, referenced to VSS (IR21084 only)

VSS

Logic ground (IRS21084 only)

High-side floating supply

HO

High-side gate driver output

High-side floating supply return

Low-side and logic fixed supply

LO

Low-side gate driver output

COM

Low-side return

LIN

IRS2108PbF

IRS2108SPbF