2

FN6228.2

December 12, 2007

Pinout

ISL55110

(16 LD QFN)

TOP VIEW

ISL55111

(16 LD QFN)

TOP VIEW

ISL55110

(8 LD TSSOP)

TOP VIEW

ISL55111

(8 LD TSSOP)

TOP VIEW

16

15

14

13

OB

GND

VH

OA

1

2

3

4

12

11

10

9

VDD

ENABLE

PD

IN-B

5678

16

15

14

13

OB

GND

VH

OA

1

2

3

4

12

11

10

9

VDD

ENABLE

PD

IN-B

5678

6

7

8

5

1

2

3

4

VDD

PD

IN-B

IN-A

OB

VH

OA

GND

6

7

8

5

1

2

3

4

VDD

PD

IN-B

IN-A

OB

VH

OA

GND

Pin Descriptions

16 Ld QFN

8 Ld TSSOP

PIN

FUNCTION

1

1

VDD

Logic Power.

10

6

VH

Driver High Rail Supply.

11

7

GND

Ground, Return for Both VH Rail and VDD Logic Supply.

3

2

PD

Power-Down. Active Logic High Places Part in Power-Down Mode.

2

ENABLE

QFN Packages Only. Provides High Speed Logic HIZ Control of Driver Outputs while Leaving

Device Logic Power On.

5

4

IN-A

Logic Level Input that Drives OA to VH Rail or Ground. Not Inverted.

4

3

IN-B, INB

Logic Level Input that Drives OB to VH Rail or Ground. Not Inverted on ISL55110, Inverted on

ISL55111.

9

5

OA

Driver Output Related to IN-A.

12

8

OB

Driver Output Related to IN-B.

6 through 8,

13 through 16

NC

No Connect.

ISL55110, ISL55111