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LM25007SD

更新时间： 2024-01-20 12:27:42
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关
页数 文件大小 规格书
19页 924K
描述
LM25007 42V, 0.5A Step-Down Switching Regulator

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LM25007SD 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：4 X 4 MM, ROHS COMPLIANT, LLP-8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.16其他特性：ALSO ADJUSTABLE OUTPUT FROM 2.5 TO 37V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：HYSTERETIC CURRENT MODE最大输入电压：42 V
最小输入电压：9 V标称输入电压：24 V
JESD-30 代码：S-XDSO-N8JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.9 A标称输出电压：7 V
封装主体材料：UNSPECIFIED封装代码：HVSON
封装等效代码：SOLCC8,.15,32封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 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：800 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：4 mmBase Number Matches：1

LM25007SD 数据手册

 浏览型号LM25007SD的Datasheet PDF文件第2页浏览型号LM25007SD的Datasheet PDF文件第3页浏览型号LM25007SD的Datasheet PDF文件第4页浏览型号LM25007SD的Datasheet PDF文件第5页浏览型号LM25007SD的Datasheet PDF文件第6页浏览型号LM25007SD的Datasheet PDF文件第7页 
LM25007  
www.ti.com  
SNVS401C –JANUARY 2006–REVISED FEBRUARY 2013  
LM25007 42V, 0.5A Step-Down Switching Regulator  
Check for Samples: LM25007  
1
FEATURES  
DESCRIPTION  
The LM25007 is a monolithic step-down switching  
regulator featuring all of the functions needed to  
2
•
•
•
•
•
•
Integrated 0.74Ω N-Channel MOSFET Switch  
Guaranteed 0.5A Output Current  
Ultra-Fast Transient Response  
implement  
a low cost, efficient, power supply.  
Capable of driving a 0.5A load over a 9V-42V input  
voltage range, this device is easy to apply and is  
provided in the small VSSOP-8 and the thermally  
enhanced WSON-8 packages. Ultra-fast transient  
response is achieved through the use of a constant  
on-time architecture with Vin feed forward. This  
feature provides an almost constant operating  
frequency over load and input voltage variations. The  
operating frequency can be adjusted with a single  
resistor. This architecture is easy to use and tolerant  
of component selection. An intelligent current limit is  
implemented in the LM25007 with forced off time that  
is inversely proportional to Vout thus ensuring  
recovery from fault conditions. The output voltage  
may be set from 2.5V to >30V. To improve efficiency  
in light load applications, the Vcc pin can be  
connected to an external voltage source to eliminate  
the drop through the internal regulator. Additional  
features include: thermal shutdown, Vcc under-  
voltage lockout, gate drive under-voltage lockout, and  
max duty cycle limiter.  
Up to 800kHz Operation  
No Control Loop Compensation Required  
Vin Feed Forward Provides Constant  
Operating Frequency  
•
2% Accurate 2.5V Feedback from -40°C to  
125°C  
•
•
•
•
•
Highly Efficient Operation  
Intelligent Current Limit Protection  
External Shutdown Control  
Thermal Shutdown  
VSSOP and Thermally Enhanced WSON  
Packages  
TYPICAL APPLICATIONS  
•
•
•
•
•
•
12VDC and 24VDC Distributed Rail Systems  
24VAC Systems  
Automotive Body Electronics and Telematics  
Industrial Systems  
HB-LED Constant Current Source  
Package:  
–
–
VSSOP-8  
WSON-8 (4mm x 4mm)  
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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