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ISL97672AIRZ

更新时间： 2024-11-07 19:40:55
品牌 Logo 应用领域
瑞萨 - RENESAS 驱动接口集成电路
页数 文件大小 规格书
17页 1124K
描述
6-Channel LED Driver with Ultra Low Dimming Capability; QFN20; Temp Range: -40° to 85°C

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中文翻译

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ISL97672AIRZ 技术参数

生命周期：Unknown零件包装代码：QFN
包装说明：HVQCCN, LCC20,.12X.16,20针数：20
Reach Compliance Code：compliantECCN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 DRIVERJESD-30 代码：R-PQCC-N20
JESD-609代码：e3长度：4 mm
湿度敏感等级：3复用显示功能：NO
功能数量：1区段数：72
端子数量：20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封装等效代码：LCC20,.12X.16,20
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：12 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：Display Drivers最大供电电压：26.5 V
最小供电电压：4.5 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：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

ISL97672AIRZ 数据手册

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NOT REC  
RECOMM  
ENDED R  
OMMEND  
ED FOR N  
EPLACEM  
EW DESIG  
ENT PAR  
NS  
T
DATASHEET  
ISL9767  
2B  
ISL97672A  
FN7710  
Rev.4.00  
Sep 14, 2017  
6-Channel LED Driver with Ultra Low Dimming Capability  
The ISL97672A is an integrated 6-channel power LED driver for  
LCD backlight applications. The ISL97672A is capable of  
driving LEDs with input from 4.5V to 26.5V and maximum  
output up to 45V.  
Features  
• 6 x 50mA Channels  
• 4.5V to 26.5V Input  
• 45V Output Max  
The ISL97672A employs an adaptive boost switching  
architecture that allows Direct PWM dimming with dimming  
duty cycle as low as 0.007% at 200Hz or 0.8% at 20kHz. PWM  
Dimming frequency can be as high as 30kHz.  
• Adaptive Boost Switching Architecture  
• Direct PWM Dimming with Dimming Linearity of  
0.007%~100% at 200Hz or 0.8%~100% <20kHz  
The ISL97672A employs the dynamic headroom control that  
monitors the highest LED forward voltage string for output  
regulation to minimize headroom voltage and power loss in a  
typical multi-string operation. Typical current matching between  
channels is ±0.7%.  
• Adjustable 200kHz to 1.4MHz Switching Frequency  
• Dynamic Headroom Control  
• Fault Protections with Latched Flag Indication  
- String Open/Short Circuit  
The ISL97672A incorporates extensive protection functions  
that flag whenever a fault occurs. The protections include  
string-open and short-circuit detections, OVP, OTP, and an  
optional output short-circuit protection with external fault  
disconnect switch.  
- OVP  
- OTP  
- Optional Output Short-Circuit Fault Protection Switch  
• Current Matching ±0.7%  
• 20 Ld 3x4 QFN Package  
The ISL97672A is offered in a compact 20 Ld QFN 3x4 package  
and can operate in ambient temperatures of -40°C to +85°C.  
Applications  
• Notebook Displays LED Backlighting  
Related Literature  
• For a full list of related documents, visit our website  
- ISL97672A product page  
• LCD Monitor LED Backlighting  
• Multi-Function Printer Scanning Light Source  
Typical Application Circuit  
V
= 45V*, 6 x 50mA  
OUT  
V
= 4.5~26.5V  
IN  
Q1(OPTIONAL)  
ISL97672A  
1
2
4
FAULT  
LX 20  
VIN  
OVP  
16  
VDC  
PGND 19  
CH0 10  
6
FLAG  
18  
COMP  
CH1  
CH2  
CH3  
CH4  
CH5  
11  
12  
13  
14  
15  
3
EN  
5 PWM  
17  
8
RSET  
FSW  
*V > 12V  
IN  
9
AGND  
FIGURE 1. ISL97672A TYPICAL APPLICATION DIAGRAM  
FN7710 Rev.4.00  
Sep 14, 2017  
Page 1 of 17  
1234567...17

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