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LP3907SQX-PXPP PDF预览

LP3907SQX-PXPP

更新时间: 2024-01-02 03:23:18
品牌 Logo 应用领域
英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
44页 3041K
描述
Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface

LP3907SQX-PXPP 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA25,5X5,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.13其他特性:PFM MODE ALSO AVAILABLE
模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.8 V标称输入电压:3.6 V
JESD-30 代码:S-PBGA-B25JESD-609代码:e1
长度:2.492 mm湿度敏感等级:1
功能数量:1端子数量:25
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1.5 A标称输出电压:2.8 V
封装主体材料:PLASTIC/EPOXY封装代码:VFBGA
封装等效代码:BGA25,5X5,20封装形状:SQUARE
封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH认证状态:Not Qualified
座面最大高度:0.675 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:2100 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
宽度:2.492 mmBase Number Matches:1

LP3907SQX-PXPP 数据手册

 浏览型号LP3907SQX-PXPP的Datasheet PDF文件第2页浏览型号LP3907SQX-PXPP的Datasheet PDF文件第3页浏览型号LP3907SQX-PXPP的Datasheet PDF文件第4页浏览型号LP3907SQX-PXPP的Datasheet PDF文件第5页浏览型号LP3907SQX-PXPP的Datasheet PDF文件第6页浏览型号LP3907SQX-PXPP的Datasheet PDF文件第7页 
December 12, 2007  
LP3907  
Dual High-Current Step-Down DC/DC and Dual Linear  
Regulator with I2C Compatible Interface  
General Description  
Features  
The LP3907 is a multi-function, programmable Power Man-  
agement Unit, optimized for low power FPGAs, microproces-  
sors and DSPs. This device integrates two highly efficient 1A/  
600mA step-down DC/DC converters with dynamic voltage  
management (DVM), two 300mA linear regulators and a  
400kHz I2C compatible interface to allow a host controller ac-  
cess to the internal control registers of the LP3907. The  
LP3907 additionally features programmable power-on se-  
quencing. Package options include a tiny 4 x 4 x 0.8mm LLP  
24–pin package and an even smaller 2.5 x 2.5mm micro SMD  
25-bump package.  
Compatible with advanced applications processors and  
FPGAs  
2 LDOs for powering Internal processor functions and I/Os  
High speed serial interface for independent control of  
device functions and settings  
Precision internal reference  
Thermal overload protection  
Current overload protection  
24-lead 4 × 4 × 0.8mm LLP or 25–bump 2.5 x 2.5mm micro  
SMD package  
Software Programmable Regulators  
Key Specifications  
External Power-on-reset function for Buck1 and Buck2  
(i.e., Power Good with delay function)  
Undervoltage lock out detector to monitor input supply  
voltage  
Step-Down DC/DC Converter (Buck)  
1A/600mA output current  
Programmable VOUT from:  
Buck1 : 0.8V–2.0V @ 1A  
Applications  
Buck2 : 1.0V–3.5V @ 600mA  
FPGA, DSP core power  
Up to 96% efficiency  
Applications processors  
2.1MHz PWM switching frequency  
PWM - PFM automatic mode change under low loads  
±3% output voltage accuracy  
Automatic soft start  
Peripheral I/O power  
Linear Regulators (LDO)  
Programmable VOUT of 1.0V–3.5V  
±3% output voltage accuracy  
300mA output current  
30mV (typ) dropout  
© 2007 National Semiconductor Corporation  
300178  
www.national.com  

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