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LP5527TL PDF预览

LP5527TL

更新时间: 2024-11-18 03:51:59
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器测试闪光灯
页数 文件大小 规格书
21页 828K
描述
Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization

LP5527TL 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA30,5X6,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.34数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PBGA-B30
JESD-609代码:e1长度:2.97 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1区段数:5
端子数量:30最高工作温度:85 °C
最低工作温度:-30 °C封装主体材料:PLASTIC/EPOXY
封装代码:VFBGA封装等效代码:BGA30,5X6,20
封装形状:RECTANGULAR封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:3.6 V
认证状态:Not Qualified座面最大高度:0.675 mm
子类别:Display Drivers最大供电电压:5.5 V
最小供电电压:3 V标称供电电压:3.6 V
表面贴装:YES温度等级:OTHER
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2.54 mm
Base Number Matches:1

LP5527TL 数据手册

 浏览型号LP5527TL的Datasheet PDF文件第2页浏览型号LP5527TL的Datasheet PDF文件第3页浏览型号LP5527TL的Datasheet PDF文件第4页浏览型号LP5527TL的Datasheet PDF文件第5页浏览型号LP5527TL的Datasheet PDF文件第6页浏览型号LP5527TL的Datasheet PDF文件第7页 
May 2006  
LP5527  
Tiny LED Driver for Camera Flash and 4 LEDs with I2C  
Programmability, Connectivity Test and Audio  
Synchronization  
General Description  
Features  
n High current boost DC-DC converter (up to 1A output  
current)  
The LP5527 is a lighting management unit for handheld  
devices with I2C compatible control interface. The LP5527  
has a step-up DC/DC converter with high current output and  
it drives display and keypad backlights and powers the cam-  
era flash LED. In addition the DC/DC converter has the  
output current to power for example an audio amplifier si-  
multaneously. The chip has four 8-bit programmable high  
efficiency constant current LED drivers and a FLASH LED  
driver. Built-in audio synchronization feature allows the user  
to synchronize one of the LEDs to audio input.  
n Programmable boost output voltage  
n 400 mA flash LED constant current driver with low  
tolerance and a safety circuit  
n Synchronization pin for the flash timing  
n Two single-ended audio inputs with gain control  
n Four constant current 15 mA LED drivers with 8-bit  
programmable brightness control  
n Audio synchronization feature  
The LP5527 has an integrated 400 mA flash driver with a  
safety stop feature and 50 mA torch mode. An external  
enable pin is provided for the synchronizing the flash with the  
camera action. An external software independent test inter-  
face provides a fast way to find a broken path or short on  
LED circuits. Very small microSMD package together with  
minimum number of external components is a best fit for  
handheld devices.  
n I2C compatible control interface  
n Built-in LED connectivity test to maximize manufacturing  
yield  
n Small microSMD-30 package (2.5 mm x 3.0 mm x 0.6  
mm)  
Applications  
n Camera FLASH, funlight and backlight driving in battery  
powered devices  
Typical Application  
20184001  
© 2006 National Semiconductor Corporation  
DS201840  
www.national.com  

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