ISL6401

FN9007 Rev 8.00

Page 2 of 13

Oct 21, 2015

Functional Block Diagram

Ordering Information

PART NUMBER

(Notes 1, 2, 3)

TEMP.

RANGE (°C)

PACKAGE

(RoHS Compliant)

PKG. DWG. #

ISL6401CBZ

-40 to 85

14 Ld SOIC (Pb-free)

M14.15

ISL6401CRZ (No longer available, recommended replacement:

ISL6401CBZ)

-40 to 85

16 Ld 4x4 QFN (Pb-free)

L16.4x4

NOTES:

1. Add -T suffix for tape and reel packaging.

2. The parts with suffix ‘C’ are being tested to the industrial temperature grade. This has been updated in the table above. The IB and IR parts are being discontinued.

The affected parts are: ISL6401IB, ISL6401IBZ, ISL6401IB-T, ISL6401IBZ-T, ISL6401IR, ISL6401IRZ, ISL6401IR-T, ISL6401IRZ-T.

3. Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are 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.

OSC

SD

CT

SYNC

CS

FB

11

12

13

GATE

PVCC

PWRGND

S

RQ

CLK

R

Q

TFF

LEADING

EDGE

BLANKING

2

3

ILIM

+

-

SOFT-

START

CLK

ENPWM

LVC

POR

SOFT-START

VREF

ICLCOMP

ICSCOMP

UVLO

+

-

+

-

ERROR

AMP

CS

COMP

4

5

9

VCC

GND

VOLTAGE

REFERENCE

IBIAS

200K

1

14

10

VREF

+

-

NFB_IN

76

8

NC

NFB-OUT

NFB

AMP