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LM25007SDX/NOPB PDF预览

LM25007SDX/NOPB

更新时间: 2024-01-14 09:53:40
品牌 Logo 应用领域
美国国家半导体 - NSC 开关输出元件
页数 文件大小 规格书
12页 233K
描述
IC 0.9 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, DSO8, 4 X 4 MM, ROHS COMPLIANT, LLP-8, Switching Regulator or Controller

LM25007SDX/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:HVSON, SOLCC8,.15,32针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
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 VJESD-30 代码:S-XDSO-N8
JESD-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
最大输出电压:7.4 V最小输出电压:6.6 V
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
最大供电电流 (Isup):0.675 mA标称供电电压 (Vsup):24 V
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:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

LM25007SDX/NOPB 数据手册

 浏览型号LM25007SDX/NOPB的Datasheet PDF文件第2页浏览型号LM25007SDX/NOPB的Datasheet PDF文件第3页浏览型号LM25007SDX/NOPB的Datasheet PDF文件第4页浏览型号LM25007SDX/NOPB的Datasheet PDF文件第5页浏览型号LM25007SDX/NOPB的Datasheet PDF文件第6页浏览型号LM25007SDX/NOPB的Datasheet PDF文件第7页 
February 5, 2008  
LM25007  
42V, 0.5A Step-Down Switching Regulator  
General Description  
Features  
The LM25007 is a monolithic step-down switching regulator  
featuring all of the functions needed to implement a low cost,  
efficient, power supply. Capable of driving a 0.5Amp load over  
a 9V-42V input voltage range, this device is easy to apply and  
is provided in the small MSOP-8 and the thermally enhanced  
LLP-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 oper-  
ating 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 in-  
ternal regulator. Additional features include: thermal shut-  
down, Vcc under-voltage lockout, gate drive under-voltage  
lockout, and max duty cycle limiter.  
Integrated 0.74 ohm N-Channel MOSFET switch  
Guaranteed 0.5Amp output current  
Ultra-Fast Transient Response  
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  
MSOP-8 and thermally enhanced LLP packages  
Typical Applications  
12VDC and 24VDC distributed rail systems  
24VAC systems  
Automotive body electronics and telematics  
Industrial systems  
HB-LED constant current source  
Package  
MSOP - 8  
LLP - 8 (4mm x 4mm)  
Basic Step-Down Regulator  
20165513  
© 2008 National Semiconductor Corporation  
201655  
www.national.com  

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