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LM3503SQX-35 PDF预览

LM3503SQX-35

更新时间: 2024-02-25 17:50:03
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器
页数 文件大小 规格书
20页 1062K
描述
Dual-Display Constant Current LED Driver with Analog Brightness Control

LM3503SQX-35 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:TLLP-16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.04接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:S-PQCC-N16JESD-609代码:e3
长度:4 mm湿度敏感等级:1
功能数量:1区段数:2
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:VQCCN封装等效代码:LCC16,.16SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Display Drivers最大供电电压:5.5 V
最小供电电压:2.5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
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:40
宽度:4 mmBase Number Matches:1

LM3503SQX-35 数据手册

 浏览型号LM3503SQX-35的Datasheet PDF文件第2页浏览型号LM3503SQX-35的Datasheet PDF文件第3页浏览型号LM3503SQX-35的Datasheet PDF文件第4页浏览型号LM3503SQX-35的Datasheet PDF文件第5页浏览型号LM3503SQX-35的Datasheet PDF文件第6页浏览型号LM3503SQX-35的Datasheet PDF文件第7页 
July 2005  
LM3503  
Dual-Display Constant Current LED Driver with Analog  
Brightness Control  
>
n
80% Peak Efficiency  
General Description  
n Output Voltage Protection Options: 16V, 25V, 35V & 44V  
n Input Under-Voltage Protection  
n Internal Soft Start Eliminates Inrush Current  
n 1 MHz Constant-Switching Frequency  
n Analog Brightness Control  
The LM3503 is a white LED driver for lighting applications.  
For dual display backlighting applications, the LM3503 pro-  
vides a complete solution. The LM3503 contains two internal  
white LED current bypass FET (Field Effect Transistor)  
switches. The white LED current can be adjusted with a DC  
voltage from a digital to analog converter or RC filtered PWM  
(pulse-width-modulated) signal at the Cntrl pin.  
n Wide Input Voltage Range: 2.5V to 5.5V  
n Low Profile Packages: 1 mm Height  
<
— 10 Bump MicroSMD  
— 16 Pin LLP  
With no external compensation, cycle-by-cycle current limit,  
output over-voltage protection, input under-voltage protec-  
tion, and dynamic white LED current control capability, the  
LM3503 offers superior performance over other step-up  
white LED drivers.  
Applications  
n Dual-Display Display Backlighting in Portable devices  
n Cellular Phones and PDAs  
Features  
n Drives up to 4, 6, 8 or 10 White LEDs for Dual Display  
Backlighting  
Typical Application  
20128662  
© 2005 National Semiconductor Corporation  
DS201286  
www.national.com  

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