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LM2758TLX PDF预览

LM2758TLX

更新时间: 2024-09-25 05:42:03
品牌 Logo 应用领域
美国国家半导体 - NSC 显示驱动器驱动程序和接口开关接口集成电路闪光灯
页数 文件大小 规格书
14页 1001K
描述
Switched Capacitor Flash LED Driver in micro SMD

LM2758TLX 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:VFBGA, BGA12,3X4,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.3Is Samacsys:N
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PBGA-B12
JESD-609代码:e1长度:1.996 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1区段数:1
端子数量:12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:VFBGA封装等效代码:BGA12,3X4,20
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:0.6 mm
子类别:Display Drivers最大供电电压:5.5 V
最小供电电压:2.7 V标称供电电压:3.6 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL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:40
宽度:1.514 mmBase Number Matches:1

LM2758TLX 数据手册

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October 9, 2009  
LM2758  
Switched Capacitor Flash LED Driver in micro SMD  
General Description  
Features  
LM2758 is an integrated low-noise, high-current switched ca-  
pacitor DC/DC converter with a regulated current sink. The  
device is capable of driving loads up to 700 mA from a single-  
cell Li-Ion battery. Maximum efficiency is achieved over the  
input voltage range by actively selecting the proper gain  
based on the LED forward voltage and current requirements.  
Up to 700 mA Output Current  
Ultra-Small Solution Size  
—No Inductor, Only 4 Capacitors and a resistor Required  
—1.514 mm x 1.996 mm x 0.6 mm thin micro SMD  
package  
90% Peak Efficiency  
One external low-power resistor sets the desired current for  
Indicator, Torch and Flash modes. To protect the devices and  
the flash LED, internal Time-out circuitry turns off the LM2758  
in case of a faulty prolonged Flash mode. Internal soft-start  
circuitry limits the amount of inrush current during start-up.  
Indicator, Torch and Flash Modes  
Time-Out Circuitry Limits Flash Duration to 814 msec.  
(typ.)  
Adaptive 1x and 1.5x Gains for Maximum Efficiency  
True Shutdown  
LM2758 is offered in National’s tiny 12-bump thin micro SMD  
package.  
Internal Soft-Start Eliminates Inrush Current  
Applications  
Camera Flash in Mobile Phones  
Flash for Digital Cameras  
Typical Application Circuit  
30045301  
© 2009 National Semiconductor Corporation  
300453  
www.national.com  

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