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LP38851SX-ADJ/NOPB PDF预览

LP38851SX-ADJ/NOPB

更新时间: 2024-09-21 12:49:43
品牌 Logo 应用领域
德州仪器 - TI 稳压器调节器软启动输出元件
页数 文件大小 规格书
29页 1675K
描述
LP38851 800 mA Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and Soft-Start

LP38851SX-ADJ/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:D2PAK
包装说明:TO-263, ZIP7,.2,.1TB针数:4
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.41可调性:ADJUSTABLE
最大回动电压 1:0.2 V标称回动电压 1:0.115 V
最大输入电压:5.5 V最小输入电压:0.915 V
JESD-30 代码:R-PSSO-G7JESD-609代码:e3
长度:10.16 mm湿度敏感等级:3
功能数量:1输出次数:1
端子数量:7工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流 1:0.8 A
最大输出电压 1:1.8 V最小输出电压 1:0.8 V
封装主体材料:PLASTIC/EPOXY封装代码:TO-263
封装等效代码:ZIP7,.2,.1TB封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TR
峰值回流温度(摄氏度):245认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:4.79 mm
子类别:Other Regulators表面贴装:YES
技术:CMOS端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
宽度:8.64 mm

LP38851SX-ADJ/NOPB 数据手册

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LP38851  
www.ti.com  
SNVS492C JUNE 2007REVISED APRIL 2013  
LP38851 800 mA Fast-Response High-Accuracy Adjustable LDO Linear Regulator with  
Enable and Soft-Start  
Check for Samples: LP38851  
1
FEATURES  
DESCRIPTION  
The LP38851-ADJ is a high current, fast response  
regulator which can maintain output voltage  
regulation with extremely low input to output voltage  
drop. Fabricated on a CMOS process, the device  
operates from two input voltages: VBIAS provides  
voltage to drive the gate of the N-MOS power  
transistor, while VIN is the input voltage which  
supplies power to the load. The use of an external  
bias rail allows the part to operate from ultra low VIN  
voltages. Unlike bipolar regulators, the CMOS  
architecture consumes extremely low quiescent  
current at any output load current. The use of an N-  
MOS power transistor results in wide bandwidth, yet  
minimum external capacitance is required to maintain  
loop stability.  
2
Adjustable VOUT Range of 0.80V to 1.8V  
Wide VBIAS Supply Operating Range of 3.0V to  
5.5V  
Stable with 10µF Ceramic Capacitors  
Dropout Voltage of 115 mV (Typical) at 800 mA  
Load Current  
Precision VADJ across All Line and Load  
Conditions:  
±1.5% VADJ for TJ = 25°C  
±2.0% VADJ for 0°C TJ +125°C  
±3.0% VADJ for -40°C TJ +125°C  
Over-Temperature and Over-Current  
Protection  
The fast transient response of this device makes it  
suitable for use in powering DSP, Microcontroller  
Core voltages and Switch Mode Power Supply post  
regulators. The part is available in PSOP 8–pin, SFM  
7–pin, and TO-263 7-pin packages.  
Available in 8-Lead SO PowerPad,  
7-Lead SFM and 7-Lead PFM Packages  
40°C to +125°C Operating Junction  
Temperature Range  
Dropout Voltage: 115 mV (typical) at 800 mA  
load current  
APPLICATIONS  
Low Ground Pin Current: 10 mA (typical) at 800  
mA load current  
Soft-Start: Programmable Soft-Start time  
Precision ADJ Voltage: ±1.5% for TJ = 25°C,  
and ±2.0% for 0°C TJ +125°C, across all line  
and load conditions  
ASIC Power Supplies in:  
Desktops, Notebooks, and Graphics Cards,  
Servers  
Gaming Set Top Boxes, Printers and  
Copiers  
Server Core and I/O Supplies  
DSP and FPGA Power Supplies  
SMPS Post-Regulator  
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 © 2007–2013, Texas Instruments Incorporated  

LP38851SX-ADJ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP38851SX-ADJ TI

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LP38851 800 mA Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and

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