Datasheet > ISL97636

ISL97636

更新时间： 2024-01-21 13:41:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器
页数	文件大小	规格书
18页	647K
描述
8-Channel LED Driver

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ISL97636 技术参数

生命周期：	Unknown	零件包装代码：	QFN
包装说明：	HVQCCN,	针数：	24
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.65
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-PQCC-N24
JESD-609代码：	e3	长度：	4 mm
湿度敏感等级：	3	复用显示功能：	YES
功能数量：	1	区段数：	8
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1 mm
最大供电电压：	24 V	最小供电电压：	6 V
标称供电电压：	12 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn) - annealed
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	30
宽度：	4 mm	Base Number Matches：	1

ISL97636 数据手册

ISL97636

Data Sheet

May 9, 2008

FN6570.0

8-Channel LED Driver

Features

The ISL97636 is an integrated power LED driver that

controls 8 channels of LED current for LCD backlight

applications. The ISL97636 is capable of driving typically 72

(8x9) pieces of 3.5V/30mA or 80 (8x10) pieces of

3.2V/20mA LEDs. The ISL97636’s contains 8 channels of

voltage controlled current sources with typical currents

matching of ±1%, which compensate for the non-uniformity

effect of forward voltages variance in the LED stacks. To

minimize the voltage headroom and power loss in the typical

multi-strings operation, the ISL97636 features a dynamic

headroom control that monitors the highest LED forward

voltage string and uses its feedback signal for output

regulation.

• 8 Channels

• 6V to 24V Input

• 34.5V Output Max

• Drive Maximally 72 (3.5V/30mA each) or 80 (3.2V/20mA

each) LEDs

• Current Matching ±1% Typ

• Dynamic Headroom Control

• PWM Signal up to 20kHz Dimming

• Protections

- String Open Circuit Detection

- String Short Circuit Detection with Selectable Thresholds

- Over-Temperature Protection

The LED brightness can be pulse width modulated with an

applied PWM signal from DC to audio noise free 20kHz.

- Overvoltage Protection

The ISL97636 features extensive protection functions that

include string open and short circuit detections, OVP, OTP,

thermal shutdown and an optional input overcurrent

protection with master fault disconnect switch.

- Optional Input Overcurrent Protection w/Disconnect SW

• 1.2MHz Switching Frequency

• 24 Ld 4mmx4mm QFN Package

• Pb-Free (RoHS compliant)

Available in the 24 Ld 4mmx4mm QFN, the ISL97636

operates from -40°C to +85°C with input voltage ranges from

6V to 24V for high LEDs count applications.

Applications

• Notebook Displays LED Backlighting

• LCD Monitor LED Backlighting

• Automotive Displays LED Backlighting

• Automotive or Traffic Lighting

Ordering Information

PART

NUMBER

(Note)

PART

MARKING

PACKAGE

(Pb-Free)

PKG.

DWG. #

ISL97636IRZ*

976 36IRZ

24 Ld 4x4 QFN L24.4x4D

*Add “-T” or “-TK” 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.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...18

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