ISL97678IRZ 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

ISL97678IRZ

8-Channel 45V, 50mA LED Driver

Renesas Electronics 

ISL97678

Block Diagram

VIN = 4.75V~26V

CIN Optional fuse

10µF

VIN

EN

VDC

VLOGIC

FSW

RFSW

REG1

ANALOG BIAS

REG

LOGIC BIAS

OSC &

RAMP

COMP

FSW

COMP

GM

AMP

10µH/3A

FAULT

45V*, 50mA per String

96 (8x12) LEDs

LX

2x4.7µF/50V

COUT

O/P SHORT

OVP

OVP

Imax ILIMIT

LOGIC

FET

DRIVER

FAULT CONTROL

HIGHEST VF

STRING DETECT

Open Ckt, Short Ckt

Detection

PGND

CH1

CH2

RSET

VSET

+

1

+

-

REF

GEN

-

2

CH8

AGND

PWM

FPWM

RFPWM

TEMP

SENSOR

PWM DIMMING

CONTROLLER

FAULT

CONTROL

+

8

-

ISL97678

FIGURE 3. ISL97678 BLOCK DIAGRAM

Ordering Information

PART NUMBER

(Notes 1, 2)

PART MARKING

PACKAGE

(RoHS Compliant)

PKG.

DWG. #

ISL97678IRZ

ISL9767 8IRZ

32 Ld 5x5 QFN

L32.5x5B

NOTES:

1. Add “-T” suffix for 6k unit or “-TK” for 1k unit tape and reel options. 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 the product information page for ISL97678. For more information on MSL, see TB363.

FN6998 Rev.3.00

Sep 8, 2017

Page 3 of 17

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