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LP5553TLX/NOPB PDF预览

LP5553TLX/NOPB

更新时间: 2024-11-07 05:42:35
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关式稳压器或控制器半导体电源电路开关式控制器
页数 文件大小 规格书
44页 3768K
描述
PowerWise® AVS Energy Management Unit with SPMI

LP5553TLX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA36,6X6,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.67其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 1.235V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制技术:PULSE WIDTH MODULATION
最大输入电压:4.8 V最小输入电压:2.7 V
标称输入电压:3.6 VJESD-30 代码:S-PBGA-B36
JESD-609代码:e1长度:3.46 mm
湿度敏感等级:1功能数量:1
端子数量:36最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:1.56 A
封装主体材料:PLASTIC/EPOXY封装代码:VFBGA
封装等效代码:BGA36,6X6,20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:0.6 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.93 mA标称供电电压 (Vsup):3.6 V
表面贴装:YES切换器配置:BUCK
最大切换频率:3750 kHz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:3.46 mm
Base Number Matches:1

LP5553TLX/NOPB 数据手册

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March 5, 2009  
LP5553  
PowerWise® AVS Energy Management Unit with SPMI  
General Description  
Features  
The LP5553 is a System Power Management Interface  
(SPMI) compliant Energy Management Unit for reducing pow-  
er consumption of low power hand held applications such as  
dual-core processors and DSPs.  
SPMI bus for system-level power management  
High-efficiency PowerWise® Technology Adaptive  
Voltage Scaling for intelligent energy management in AVS  
and DVS environments  
The LP5553 contains 2 advanced, digitally controlled step-  
down DC/DC converters for supplying variable voltages to a  
SoC. The device also incorporates 5 programmable low-  
dropout, low noise linear regulators for powering I/O, periph-  
eral logic blocks, auxiliary system functions, and maintaining  
memory retention (dual-domain) in shutdown-mode.  
Two digitally programmable 3.6 MHz buck regulators to  
power dual voltage domains  
Five Programmable LDOs for system functions such as:  
PLL/Clock Generation  
I/O  
Memory Retention  
The LP5553 implements 2 Non-Request Capable Slaves that  
are controlled via the SPMI. The LP5553 operates coopera-  
tively with PowerWise® AVS technology compatible proces-  
sors to optimize supply voltages adaptively (AVS - Adaptive  
Voltage Scaling) over process and temperature variations. It  
also supports dynamic voltage scaling (DVS) using frequen-  
cy/voltage pairs from pre-characterized look-up tables.  
Internal soft start  
Variable regulator power up sequencing.  
Applications  
GSM/GPRS/EDGE & UMTS cellular handsets  
Hand-held radios  
PDAs  
Key Specifications  
Battery powered devices  
2.7 to 4.8V Input Voltage Range  
Portable instruments  
±2% (typical) Output Voltage Range  
Programmable DC/DC Buck Converters  
800 mA Output Current per DC/DC Converter  
Up to 88% Efficiency  
Digitally Programmable from 0.6 to 1.235V  
Programmable LDOs  
Five digitally programmable LDOs  
System Diagram  
30040601  
© 2009 National Semiconductor Corporation  
300406  
www.national.com  

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