ISL97672AIRZ View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL97672AIRZ

6-Channel LED Driver with Ultra Low Dimming Capability

Intersil 

ISL97672A

Block Diagram

VIN = 4.5V~26.5V

EN

VDC

FLAG

(OPTIONAL Q1) 10µH/1.5A

VIN

FAULT

4.7µF/50V

LX

REG

BIAS

OSC &

fSW

RAMP

COMP

FAULT

FLAG

COMP

GM

AMP

FAULT

FLAG

O/P SHORT

BOOST SW

OVP

OVP

Σ=0

IMAX ILIMIT

LOGIC

FET

DRIVER

PGND

FAULT/STATUS CONTROL

HIGHEST VF

STRING DETECT

OPEN CKT, SHORT

CKT DETECTS

CH0

CH1

CH5

RSET

GND

+

REF

-

GEN

VSET

REF_OVP REF_VSC

+

0

TEMP

-

SENSOR

PWM0

FAULT

FLAG

+

-

PWM1

45V*, 6x50mA

*VIN ≥ 12V

PWM

DIMMING

CONTROLLER

+

5

-

PWM5

FIGURE 2. ISL97672A BLOCK DIAGRAM

Ordering Information

PART

NUMBER

(Notes 1, 2, 3)

PART

MARKING

PACKAGE

(Pb-Free)

PKG.

DWG. #

ISL97672AIRZ

672A

20 Ld 3x4 QFN L20.3x4

ISL97672AIRZ-EVALZ Evaluation Board

NOTES:

1. Add “-T*” suffix for tape and reel. Please refer to Tech Brief 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 ISL97672A. For more information on MSL, please see Tech

Brief TB363.

Pin Configuration

ISL97672A

(20 LD 3x4 QFN)

TOP VIEW

FAULT 1

VIN 2

EN 3

VDC 4

PWM 5

/FLAG 6

20 19 18 17

16 OVP

15 CH5

14 CH4

13 CH3

12 CH2

11 CH1

7 8 9 10

2

FN7710.3

November 22, 2013

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