2

FN9057.6

September 15, 2015

Pinouts

ISL6439, ISL6439A

(14 LEAD SOIC)

TOP VIEW

ISL6439, ISL6439A

(16 LEAD 5x5 QFN)

TOP VIEW

12

14

13

4

3

2

1

LGATE

CPVOUT

UGATE

PHASE

VCC

BOOT

GND

CT1

11

7

6

5

9

8

10

CT2

OCSET

FB

CPGND

ENABLE

COMP

1

3

4

15

CPVOUT

CT1

CT2

OCSET

16

14

13

2

12

10

9

11

6

57

8

PHASE

VCC

CPGND

NC

Ordering Information

PART NUMBER

(See Note)

PART MARKING

TEMP RANGE (°C)

PACKAGE

(RoHS Compliant)

PKG DWG. #

ISL6439CBZ (No longer

available, recommended

replacement: ISL6439IBZ)

6439CBZ

0 to +70

14 lead SOIC

M14.15

ISL6439IBZ

6439IBZ

-40 to +85

14 lead SOIC

M14.15

ISL6439AIBZ

6439AIBZ

-40 to +85

14 lead SOIC

M14.15

ISL6439IRZ (No longer

available or supported)

ISL6439 IRZ

-40 to +85

16 Lead 5x5 QFN

L16.5x5B

ISL6439AIRZ (No longer

available or supported)

ISL6439 AIRZ

-40 to +85

16 Lead 5x5 QFN

L16.5x5B

ISL6439EVAL1

ISL6439 SOIC Evaluation Board

*Add “-T” suffix to part number for tape and reel packaging. Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%

matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations).

Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J

STD-020.

ISL6439, ISL6439A