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LP38853SX-ADJ/NOPB PDF预览

LP38853SX-ADJ/NOPB

更新时间： 2024-02-07 22:01:40
品牌 Logo 应用领域
德州仪器 - TI 线性稳压器IC调节器电源电路软启动输出元件
页数 文件大小 规格书
28页 1685K
描述
LP38853 3A Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and Soft-Start

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LP38853SX-ADJ/NOPB 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：SFM
包装说明：ZIP, ZIP7,.2,.1TB针数：3
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.69
Samacsys Description：LP38853T-ADJ可调性：ADJUSTABLE
最大回动电压 1：0.45 V标称回动电压 1：0.24 V
JESD-30 代码：R-XZFM-T7JESD-609代码：e0
湿度敏感等级：1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：
最大输出电流 1：3 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：UNSPECIFIED
封装代码：ZIP封装等效代码：ZIP7,.2,.1TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
包装方法：RAIL峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
子类别：Other Regulators表面贴装：NO
技术：CMOS端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：1.27 mm
端子位置：ZIG-ZAG处于峰值回流温度下的最长时间：NOT SPECIFIED

LP38853SX-ADJ/NOPB 数据手册

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LP38853  
www.ti.com  
SNVS335D –DECEMBER 2006–REVISED APRIL 2013  
LP38853 3A Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable  
and Soft-Start  
Check for Samples: LP38853  
1
FEATURES  
DESCRIPTION  
The LP38853-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 240 mV (typical) at 3A 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 SO PowerPAD  
8–pin, PFM 7–pin, and DDPAK 7-pin packages.  
Available in 8 Lead SO PowerPAD, 7 Lead PFM  
and 7 Lead DDPAK Packages  
−40°C to +125°C Operating Junction  
Temperature Range  
Dropout Voltage: 240 mV (typical) at 3A load  
current.  
APPLICATIONS  
•
ASIC Power Supplies in:  
Low Ground Pin Current: 10 mA (typical) at 3A load  
current.  
–
Desktops, Notebooks, and Graphics Cards,  
Servers  
Soft-Start: Programmable Soft-Start time.  
–
Gaming Set Top Boxes, Printers and  
Copiers  
Precision ADJ Voltage: ±1.5% for TJ = 25°C, and  
±2.0% for 0°C ≤ TJ ≤ +125°C, across all line and load  
conditions  
•
•
•
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 © 2006–2013, Texas Instruments Incorporated  
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