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LM2576T-5.0 PDF预览

LM2576T-5.0

更新时间： 2024-01-12 20:37:56
品牌 Logo 应用领域
韩国泰进 - HTC 稳压器开关
页数 文件大小 规格书
11页 413K
描述
3A, 52kHz, Step-Down Switching Regulator

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中文翻译

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LM2576T-5.0 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SFM包装说明：VERTICAL, STAGGERED, TO-220, 5 PIN
针数：3Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.69Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：40 V
最小输入电压：4 V标称输入电压：12 V
JESD-30 代码：R-PSFM-T5JESD-609代码：e0
功能数量：1端子数量：5
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：7.5 A标称输出电压：5 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-220
封装等效代码：ZIP5,.15,.2,67TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：12 mA表面贴装：NO
切换器配置：BUCK-BOOST最大切换频率：62 kHz
技术：BIPOLAR温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：1.7 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

LM2576T-5.0 数据手册

 浏览型号LM2576T-5.0的Datasheet PDF文件第2页浏览型号LM2576T-5.0的Datasheet PDF文件第3页浏览型号LM2576T-5.0的Datasheet PDF文件第4页浏览型号LM2576T-5.0的Datasheet PDF文件第5页浏览型号LM2576T-5.0的Datasheet PDF文件第6页浏览型号LM2576T-5.0的Datasheet PDF文件第7页 
3A, 52kHz, Step-Down Switching Regulator  
LM2576  
FEATURES  
SOP8-PP PKG  
TO-220 PKG  
z 3.3V, 5.0V, 12V and Adjustable Output Versions  
z Adjustable Version Output Voltage Range, 1.23 to 37V  
+/- 4% AG10Maximum Over Line and Load Conditions  
z Guaranteed 3.0A Output Current  
z Wide Input Voltage Range  
z Requires Only 4 External Components  
z 52kHz Fixed Frequency Internal Oscillator  
z TTL Shutdown Capability, Low Power Standby Mode  
z High Efficiency  
z Uses Readily Available Standard Inductors  
z Thermal Shutdown and Current Limit Protection  
z Moisture Sensitivity Level 3 for SMD packages  
TO-263 PKG  
APPLICATION  
z Simple High-Efficiency Step-Down(Buck) Regulator  
z Efficient Pre-Regulator for Linear Regulators  
z On-Card Switching Regulators  
ORDERING INFORMATION  
z Positive to Negative Converter(Buck-Boost)  
z Negative Step-Up Converters  
Device  
Marking  
Package  
SOP8-PP  
TO-220  
LM2576DP-X.X  
LM2576T-X.X  
LM2576R-X.X  
LM2576-X.X  
LM2576-X.X  
LM2576-X.X  
z Power Supply for Battery Chargers  
TO-263  
DESCRIPTION  
The LM2576 series of regulators are monolithic integrated circuits ideally suited for easy and convenient  
design of a step-down switching regulator (buck converter).  
All circuits of this series are capable of driving a 3.0A load with excellent line and load regulation. These  
devices are available in fixed output voltages of 3.3V, 5.0V, 12V and an adjustable output version.  
These regulators were designed to minimize the number of external components to simplify the power supply  
design. Standard series of inductors optimized for use with the LM2576 are offered by several different inductor  
manufacturers.  
Since the LM2576 converter is a switch-mode power supply, its efficiency is significantly higher in comparison  
with popular three-terminal linear regulators, especially with higher input voltages.  
In many cases, the power dissipated is so low that no heatsink is required or its size could be reduced  
dramatically. A standard series of inductors optimized for use with the LM2576 are available from several  
different manufacturers. This feature greatly simplifies the design of switch-mode power supplies. The LM2576  
features include a guaranteed +/- 4% tolerance on output voltage within specified input voltages and output  
load conditions, and +/-10% on the oscillator frequency (+/- 2% over 0˚C to 125˚C).  
External shutdown is included, featuring 80㎂(typical) standby current. The output switch includes cycle-  
bycycle current limiting, as well as thermal shutdown for full protection under fault conditions.  
Dec 2011 – Rev. 1.3  
- 1 -  
HTC  
1234567...11

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