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CAT4109V-GT2 PDF预览

CAT4109V-GT2

更新时间： 2024-01-10 04:05:26
品牌 Logo 应用领域
安森美 - ONSEMI 显示驱动器驱动程序和接口接口集成电路光电二极管PC
页数 文件大小 规格书
11页 170K
描述
3-Channel Constant-Current RGB LED Driver with Individual PWM Dimming

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中文翻译

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CAT4109V-GT2 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOIC-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：13 weeks
风险等级：1.01Samacsys Confidence：4
Samacsys Status：ReleasedSamacsys PartID：646986
Samacsys Pin Count：16Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：SOIC-16, CASE 751BG-01 - ISSUE O
Samacsys Released Date：2017-02-20 09:50:37Is Samacsys：N
数据输入模式：ANALOG接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：9.9 mm复用显示功能：NO
功能数量：1区段数：6
端子数量：16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：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified筛选级别：AEC-Q100
座面最大高度：1.75 mm子类别：Display Drivers
最大压摆率：10 mA最大供电电压：5.5 V
最小供电电压：3 V标称供电电压：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3.9 mm
最小 fmax：0.05 MHzBase Number Matches：1

CAT4109V-GT2 数据手册

 浏览型号CAT4109V-GT2的Datasheet PDF文件第5页浏览型号CAT4109V-GT2的Datasheet PDF文件第6页浏览型号CAT4109V-GT2的Datasheet PDF文件第7页浏览型号CAT4109V-GT2的Datasheet PDF文件第9页浏览型号CAT4109V-GT2的Datasheet PDF文件第10页浏览型号CAT4109V-GT2的Datasheet PDF文件第11页 
CAT4109  
APPLICATION INFORMATION  
POWER DISSIPATION  
RECOMMENDED LAYOUT  
The power dissipation (PD) of the CAT4109 can be  
calculated as follows:  
Bypass capacitor C1 should be placed as close to the  
IC as possible. RSET resistors should be directly  
connected to the GND pin of the device. For better  
thermal dissipation, multiple via can be used to  
connect the GND pad to a large ground plane. It is  
also recommended to use large pads and traces on  
the PCB wherever possible to spread out the heat.  
The LEDs for this layout are driven from a separate  
supply (VLED+), but they can also be driven from the  
same supply connected to VDD.  
PD =  
(
VDD ×IDD  
)
+ Σ  
(
VLEDN ×ILEDN  
)
where VLEDN is the voltage at the LED pin, and ILEDN is  
the associated LED current. Combinations of high  
VLED voltage or high ambient temperature can cause  
the CAT4109 to enter thermal shutdown. In  
applications where VLEDN is high, a resistor can be  
inserted in series with the LED string to lower PD.  
Thermal dissipation of the junction heat consists  
primarily of two paths in series. The first path is the  
junction to the case (θJC) thermal resistance which is  
defined by the package style, and the second path is  
the case to ambient (θCA) thermal resistance, which is  
dependent on board layout. The overall junction to  
ambient (θJA) thermal resistance is equal to:  
θJA = θJC + θCA  
For a given package style and board layout, the  
operating junction temperature TJ is a function of the  
power dissipation PD, and the ambient temperature,  
resulting in the following equation:  
TJ = TAMB + PD (θJC + θCA)  
= TAMB + PD θJA  
Figure 3. Recommended Layout  
When mounted on a double-sided printed circuit  
board with two square inches of copper allocated for  
“heat spreading”, the resulting θJA is about 74°C/W.  
For example, at 60°C ambient temperature, the  
maximum power dissipation is calculated as follow:  
(TJmax - TAMB  
)
(150 - 60)  
PDmax  
=
=
= 1.2W  
θJA  
74  
Doc. No. MD-5042, Rev. A  
8
© 2009 SCILLC. All rights reserved.  
Characteristics subject to change without notice  
 
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