ISL8033 View Datasheet(PDF) - Intersil

Part Name

Description

View to exact match

ISL8033

Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator

Intersil 

ISL8033, ISL8033A

Pin Descriptions (Continued)

PIN NUMBER

18, 19

2, 3,

16, 17

25

SYMBOL

LX1

VIN2,

VIN1

PD

DESCRIPTION

Switching node connection for Channel 1. Connect to one terminal of inductor for VOUT1.

Input supply voltage. Connect a 22µF ceramic capacitor to power-ground per channel.

The exposed pad must be connected to the PGND pin for proper electrical performance. Add as much vias as

possible under this pad for optimal thermal performance.

Ordering Information

PART NUMBER

(Notes 1, 2, 3)

PART

MARKING

TEMP. RANGE

(°C)

PACKAGE

(Pb-free)

PKG.

DWG. #

ISL8033IRZ*

80 33IRZ

-40 to +85

24 Ld 4x4 QFN

L24.4x4D

ISL8033AIRZ*

80 33AIRZ

-40 to +85

24 Ld 4x4 QFN

L24.4x4D

NOTES:

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

2. 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.

3. For Moisture Sensitivity Level (MSL), please see device information page for ISL8033, ISL8033A. For more information on MSL, please see Technical

Brief TB363.

5

FN6854.2

March 24, 2011

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