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LP3972SQXA514 PDF预览

LP3972SQXA514

更新时间: 2024-11-15 03:39:23
品牌 Logo 应用领域
美国国家半导体 - NSC 电源电路电源管理电路
页数 文件大小 规格书
60页 1108K
描述
Power Management Unit for Advanced Application Processors

LP3972SQXA514 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:5 X 5 MM, LLP-40Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15Is Samacsys:N
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:S-XQCC-N40JESD-609代码:e0
长度:5 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:40最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC40,.2SQ,16
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3.6 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:0.4 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:5 mmBase Number Matches:1

LP3972SQXA514 数据手册

 浏览型号LP3972SQXA514的Datasheet PDF文件第2页浏览型号LP3972SQXA514的Datasheet PDF文件第3页浏览型号LP3972SQXA514的Datasheet PDF文件第4页浏览型号LP3972SQXA514的Datasheet PDF文件第5页浏览型号LP3972SQXA514的Datasheet PDF文件第6页浏览型号LP3972SQXA514的Datasheet PDF文件第7页 
January 11, 2008  
LP3972  
Power Management Unit for Advanced Application  
Processors  
General Description  
The LP3972 is a multi-function, programmable Power Man-  
100 mV (typ) dropout  
Features  
agement Unit, designed especially for advanced application  
Compatible with advanced applications processors  
processors. The LP3972 is optimized for low power handheld  
applications and provides 6 low dropout, low noise linear reg-  
ulators, three DC/DC magnetic buck regulators, a back-up  
battery charger and two GPIO’s. A high speed serial interface  
is included to program individual regulator output voltages as  
well as on/off control.  
requiring DVM (Dynamic Voltage Management)  
Three buck regulators for powering high current processor  
functions or I/O's  
6 LDO's for powering RTC, peripherals, and I/O's  
Backup battery charger with automatic switch for lithium-  
manganese coin cell batteries and Super capacitors  
Key Specifications  
I2C compatible high speed serial interface  
Software control of regulator functions and settings  
Precision internal reference  
Buck Regulators  
Programmable VOUT from 0.725 to 3.3V  
Thermal overload protection  
Up to 95% efficiency  
Current overload protection  
Up to 1.6A output current  
Tiny 40-pin 5x5 mm LLP package  
±3% output voltage accuracy  
LDO’s  
Applications  
Programmable VOUT of 1.0V–3.3V  
PDA phones  
±3% output voltage accuracy  
Smart phones  
150/300/400 mA output currents  
Personal Media Players  
LDO RTC 30 mA  
LDO 1 300 mA  
LDO 2 150 mA  
LDO 3 150 mA  
LDO 4 150 mA  
LDO 5 400 mA  
Digital cameras  
Application processors  
Marvell PXA  
Freescale  
Samsung  
© 2008 National Semiconductor Corporation  
202076  
www.national.com  

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