IRS2538DSPBF

10

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Pin Assignments and Definitions

COM

FB

VCO

VCC

1

2

3

4

7

6

5

8

LO

VS

HO

VB

Name

No.

Description

VCC

1

Logic and internal gate drive supply voltage

COM

2

IC power and signal ground

FB

3

Lamp current feedback input

VCO

4

Voltage-controlled oscillator (VCO) input

LO

5

Half-bridge low-side gate driver output

VS

6

High voltage floating supply return and half-bridge sensing input

HO

7

High-side gate driver output

VB

8

High-side gate driver floating supply