2

FN6775.0

December 8, 2008

Ordering Information

PART NUMBER

(Note)

PART

MARKING

TEMP RANGE

(°C)

PACKAGE

(Pb-Free)

PKG.

DWG. #

ISL9518HRTZ*

951 8HRTZ

-10 to +100

28 Ld 4x4 TQFN

L28.4x4A

ISL9518AHRTZ*

951 8AHRTZ

-10 to +100

28 Ld 4x4 TQFN

L28.4x4A

*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.

FIGURE 1. FUNCTIONAL BLOCK DIAGRAM

SMBus

VSMB

DC/DC

CONVERTER

SDA

CSOP

PHASE

LGATE

UGATE

BOOT

PGND

VDDP

SCL

CSON

CSIP

CSIN

ICOMP

VDD

6

6

11

REFERENCE

LINEAR

REGULATOR

DCIN

VREF

ADET

ADPR

VREF

CSIP

EN

VDD

ISOLATE ADAPTER

AC_PR

TRICKLE

7

SGATE

ISOLATE ADAPTER

CHARGE CURRENT

ADAPTER CURRENT

MAXSYSTEMVOLTAGE

MINSYSTEMVOLTAGE

CC DAC

AC DAC

AC DAC

CC DAC

MAXSVDAC

20x

+

-

+

-

GM2

VMIN

IMIN

20x

+

-

+

-

MINSVDAC

CSON

100k

500k

BGATE

TRKLN

+

-

GM1

TRICKLE

TRICKLE

CSON

AC_PR

ISL9518, ISL9518A

VCOMP

VFB

AGND

MINSVDAC

MAXSVDAC

FSW

FSW

+

-

GM4

+

-

GM3

LOW POWER

ACMON

+

-

ISL9518, ISL9518A