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LP3972SQX-E514

更新时间： 2024-11-15 20:08:19
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
56页 1439K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40, 5 X 5 MM, LLP-40

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LP3972SQX-E514 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFN
包装说明：5 X 5 MM, LLP-40针数：40
Reach Compliance Code：compliant风险等级：5.15
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：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

LP3972SQX-E514 数据手册

 浏览型号LP3972SQX-E514的Datasheet PDF文件第2页浏览型号LP3972SQX-E514的Datasheet PDF文件第3页浏览型号LP3972SQX-E514的Datasheet PDF文件第4页浏览型号LP3972SQX-E514的Datasheet PDF文件第5页浏览型号LP3972SQX-E514的Datasheet PDF文件第6页浏览型号LP3972SQX-E514的Datasheet PDF文件第7页 
LP3972  
www.ti.com  
SNVS468K –SEPTEMBER 2006–REVISED MAY 2013  
Power Management Unit for Advanced Application Processors  
Check for Samples: LP3972  
1
FEATURES  
APPLICATIONS  
2
•
Compatible With Advanced Applications  
Processors Requiring DVM (Dynamic Voltage  
Management)  
•
•
•
•
•
PDA Phones  
Smart Phones  
Personal Media Players  
Digital Cameras  
•
•
•
Three Buck Regulators for Powering High-  
Current Processor Functions or I/Os  
Application Processors  
Six LDOs for Powering RTC, Peripherals, and  
I/Os  
–
–
–
Marvell PXA  
Freescale  
Samsung  
Backup Battery Charger With Automatic  
Switch for Lithium-Manganese Coin Cell  
Batteries and Super Capacitors  
I2C Compatible High-Speed Serial Interface  
DESCRIPTION  
•
•
The LP3972 is a multi-function programmable Power  
Management Unit designed especially for advanced  
application processors. The LP3972 is optimized for  
low-power handheld applications and provides six  
low-dropout low-noise linear regulators, three DC/DC  
magnetic buck regulators, a back-up battery charger,  
and two GPIOs. A high-speed serial interface is  
included to program individual regulator output  
voltages as well as on and off control.  
Software Control of Regulator Functions and  
Settings  
•
•
•
•
Precision Internal Reference  
Thermal Overload Protection  
Current Overload Protection  
Tiny 40-Pin 5x5 mm WQFN Package  
KEY SPECIFICATIONS  
•
Buck Regulators  
–
–
–
–
Programmable VOUT from 0.725 to 3.3V  
Up to 95% efficiency  
Up to 1.6A output current  
±3% output voltage accuracy  
•
LDOs  
–
–
–
Programmable VOUT of 1.0V–3.3V  
±3% output voltage accuracy  
150/300/400 mA output currents  
–
–
–
–
–
–
LDO_RTC 30 mA  
LDO1 300 mA  
LDO2 150 mA  
LDO3 150 mA  
LDO4 150 mA  
LDO5 400 mA  
–
100 mV (typ) dropout  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2013, Texas Instruments Incorporated  
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