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LP3918TLX-A PDF预览

LP3918TLX-A

更新时间: 2024-11-15 04:44:07
品牌 Logo 应用领域
美国国家半导体 - NSC 电池
页数 文件大小 规格书
30页 1258K
描述
Battery Charge Management and Regulator Unit

LP3918TLX-A 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA25,5X5,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PBGA-B25
JESD-609代码:e1长度:2.465 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:25
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:BGA25,5X5,20封装形状:SQUARE
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:Power Management Circuits
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):3.6 V表面贴装:YES
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:NOT SPECIFIED
宽度:2.465 mmBase Number Matches:1

LP3918TLX-A 数据手册

 浏览型号LP3918TLX-A的Datasheet PDF文件第2页浏览型号LP3918TLX-A的Datasheet PDF文件第3页浏览型号LP3918TLX-A的Datasheet PDF文件第4页浏览型号LP3918TLX-A的Datasheet PDF文件第5页浏览型号LP3918TLX-A的Datasheet PDF文件第6页浏览型号LP3918TLX-A的Datasheet PDF文件第7页 
October 2007  
LP3918  
Battery Charge Management and Regulator Unit  
General Description  
Features  
The LP3918 is a fully integrated charger and multi-regulator  
unit designed for CDMA cellular phones. The LP3918 con-  
tains a Li-Ion battery charger, 7 low noise low dropout (LDO)  
voltage regulators and a high-speed serial interface to pro-  
gram on/off conditions and output voltages of individual reg-  
ulators, and also to read status information from the PMU.  
Fully integrated Li-Ion battery charger with thermal  
regulation  
USB Charge Mode.  
7 Low Noise LDO’s  
2 x 300 mA  
3 x 150 mA  
2 x 80 mA  
The Li-Ion charger integrates a power FET, reverse current  
blocking diode, sense resistor with current monitor output,  
and requires only a few external components. Charging is  
thermally regulated to obtain the most efficient charging rate  
for a given ambient temperature.  
I2C compatible interface for controlling LDO outputs and  
charger operation  
Thermal shutdown  
Under Voltage Lockout  
LDO regulators provide high PSRR and low noise ideally suit-  
ed for supplying power to both analog and digital loads.  
25-bump Thin micro-SMD package 2.5 x 2.5 mm  
Options available on request, please contact sales office  
for further information;  
Applications  
- Level detect on HF_PWR & PWR_ON  
- LDO Charging mode  
- Custom Default Settings on Charger, and LDO O/P's.  
CDMA Phone Handsets  
Low Power Wireless Handsets  
Handheld Information Appliances  
Personal Media Players  
Key Specifications  
Digital Cameras  
50mA to 950mA Programmable Charge Current  
3.0V to 5.5V Input Voltage Range  
200mV typ. Dropout Voltage on 300 mA LDO’s  
2% (typ) Output Voltage Accuracy on LDO’s  
Simplified Functional Block Diagram  
20211601  
© 2007 National Semiconductor Corporation  
202116  
www.national.com  

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