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LP3923TLX-VC/NOPB PDF预览

LP3923TLX-VC/NOPB

更新时间： 2024-11-15 20:06:39
品牌 Logo 应用领域
德州仪器 - TI 集成电源管理电路
页数 文件大小 规格书
37页 1049K
描述
Cellular Phone Power Management IC (PMIC) 30-DSBGA

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中文翻译

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LP3923TLX-VC/NOPB 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：VFBGA, BGA30,5X6,20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.68
其他特性：ALSO REQUIRE OPERATING VOLTAGE CHG_IN 4.5V TO 6.8V可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PBGA-B30
JESD-609代码：e1长度：2.96 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：30
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：BGA30,5X6,20封装形状：RECTANGULAR
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
最大供电电流 (Isup)：0.4 mA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：2.46 mm
Base Number Matches：1

LP3923TLX-VC/NOPB 数据手册

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LP3923  
www.ti.com  
SNVS567B –APRIL 2010–REVISED MAY 2013  
LP3923 Cellular Phone Power Management Unit  
Check for Samples: LP3923  
1
FEATURES  
KEY SPECIFICATIONS  
2
•
Integrated Li-Ion Battery Charger with Power  
FET, Thermal Regulation and 28V OVP  
•
•
•
•
•
50 mA to 1200 mA Charging Current  
3.0V to 5.5V Input Voltage Range  
•
Six Low-Noise LDOs, Two LILO LDOs  
135 mV typ. Dropout Voltage @ 300 mA LDOs  
2% (typ.) Output Voltage accuracy on LDOs  
700 mA (typ.) Buck Regulator  
–
–
–
3 x 300 mA  
4 x 150 mA  
1 x 80 mA  
DESCRIPTION  
The LP3923 is a fully Integrated Power Management  
Unit (PMU) designed for CDMA cellular phones.  
•
•
One High Efficiency Synchronous Magnetic  
Buck Regulators, IOUT 700 mA  
–
–
–
High Efficiency PFM Mode @low IOUT  
Auto Mode PFM/PWM Switch  
The LP3923 PMU contains a fully integrated Li-Ion  
battery charger with power FET and over-voltage-  
protection (OVP), one Buck regulator, 8 low-noise  
low-dropout (LDO) voltage regulators, and a high-  
speed serial interface to program on/off conditions  
and output voltages of individual regulators, and to  
read status information of the PMU. Two LILO (low-  
input, low-output) type LDOs with separate power  
input provide an application option for pre-regulated  
high efficient power management for longer battery  
life.  
Low Inductance 2.2 µH @ 2 MHz Clock  
I2C-compatible Interface for Controlling LDO  
Outputs and Charger Operation  
•
•
•
Thermal Shutdown with Early Warning Alarm  
Under-Voltage Lockout  
30-bump 3.0 x 2.5 mm DSBGA Package  
APPLICATIONS  
•
Cellular Handsets  
System Diagram  
+
-
AC Adapter/  
USB  
Li - Ion Charger  
Ichg  
Monitor  
BB Processor  
Power Domains  
Buck  
I/O  
Interface  
of  
Baseband  
Processor  
Serial  
Interface  
Memory  
RF  
8 x LDO  
Control  
Peripheral  
Devices  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2010–2013, Texas Instruments Incorporated  
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