2

FN6601.2

March 19, 2009

Ordering Information

PART NUMBER

(Note)

PART

MARKING

TEMP. RANGE

(°C)

PACKAGE

(Pb-Free)

PKG.

DWG. #

ISL6622ACBZ*

6622A CBZ

0 to +70

8 Ld SOIC

M8.15

ISL6622ACRZ*

622A

0 to +70

10 Ld 3x3 DFN

L10.3x3

ISL6622AIBZ*

6622A IBZ

-40 to +85

8 Ld SOIC

M8.15

ISL6622AIRZ*

22AI

-40 to +85

10 Ld 3x3 DFN

L10.3x3

*Add “-T” suffix for tape and reel. 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.

Pinouts

ISL6622A

(8 LD SOIC)

TOP VIEW

ISL6622A

(10 LD 3x3 DFN)

TOP VIEW

UGATE

BOOT

PWM

GND

1

2

3

4

8

7

6

5

PHASE

VCC

LVCC

LGATE

2

3

4

1

5

9

8

7

10

6

UGATE

BOOT

NC

PWM

PHASE

VCC

UVCC

LVCC

GND

LGATE

PAD

Block Diagrams

ISL6622A

LVCC

VCC

PWM

+5V

11.2k

9.6k

BOOT

UGATE

PHASE

LGATE

GND

UVCC = VCC FOR SOIC

CONTROL

LOGIC

POR/

SHOOT-

THROUGH

PROTECTION

PRE-POR OVP

FEATURES

LVCC

UVCC

20k

10k

ISL6622A