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LP5552TL/NOPB PDF预览

LP5552TL/NOPB

更新时间: 2024-09-17 03:49:23
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
36页 1692K
描述
PWI 2.0 and PowerWise Technology Compliant Energy Management Unit

LP5552TL/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 V
JESD-30 代码:S-PBGA-B36JESD-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:3/4.5 V
认证状态:Not Qualified座面最大高度:0.6 mm
子类别:Power Management Circuits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 mmBase Number Matches:1

LP5552TL/NOPB 数据手册

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May 20, 2008  
LP5552  
PWI 2.0 and PowerWise® Technology Compliant Energy  
Management Unit  
General Description  
The LP5552 is a PWI2.0 compliant Energy Management  
Unit (EMU) for reducing power consumption in low-power,  
portable applications.  
Features  
High-efficiency PowerWise Technology Adaptive Voltage  
Scaling for intelligent energy management in AVS and  
DVS environments  
PWI 2.0 open standard interface for system-level power  
management  
Two digitally programmable 3.6MHz buck regulators to  
power dual-voltage domains  
The LP5552 contains 2 advanced, digitally controlled switch-  
ing regulators for supplying variable voltages to a SoC or  
processor. The device also incorporates 5 programmable  
low-dropout, low-noise linear regulators for powering I/O, pe-  
ripheral logic blocks, auxiliary system functions, and main-  
taining memory retention (dual-domains) in shutdown-mode.  
Five programmable LDOs for system functions such as:  
PLL/Clock Generation  
I/O  
The device is controlled via the high-speed serial PWI 2.0  
open-standard interface. The LP5552 operates cooperatively  
with PowerWise® technology-compatible processors to opti-  
mize supply voltages adaptively (AVS - Adaptive Voltage  
Scaling) over process and temperature variations. It also sup-  
ports dynamic voltage scaling (DVS) using frequency/voltage  
pairs from pre-characterized lookup tables.  
Memory Retention  
Internal soft start  
Variable regulator power up sequencing  
Applications  
GSM/GPRS/EDGE & UMTS cellular handsets  
Key Specifications  
Hand-held radios  
2.7V to 4.8V Input Voltage Range  
±2% (typical) Output Voltage Accuracy  
PDAs  
Battery-powered devices  
Programmable DC/DC Buck Converters  
Portable instruments  
800mA Output Current per Switcher  
Up to 88% Switcher Efficiency  
Digitally programmable from 0.6V — 1.235V  
Programmable LDOs  
Five digitally programmable LDOs  
© 2008 National Semiconductor Corporation  
202103  
www.national.com  

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