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LM34910CSDE PDF预览

LM34910CSDE

更新时间: 2024-11-10 04:44:27
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
12页 270K
描述
High Voltage (50V, 1.25A) Step Down Switching Regulator

LM34910CSDE 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:4 X 4 MM, PLASTIC, LLP-10Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
最大输入电压:50 V最小输入电压:8 V
标称输入电压:24 VJESD-30 代码:S-XDSO-N10
JESD-609代码:e0长度:4 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.5 A
封装主体材料:UNSPECIFIED封装代码:HVSON
封装等效代码:SOLCC10,.16,32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温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn85Pb15)端子形式:NO LEAD
端子节距:0.8 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4 mm
Base Number Matches:1

LM34910CSDE 数据手册

 浏览型号LM34910CSDE的Datasheet PDF文件第2页浏览型号LM34910CSDE的Datasheet PDF文件第3页浏览型号LM34910CSDE的Datasheet PDF文件第4页浏览型号LM34910CSDE的Datasheet PDF文件第5页浏览型号LM34910CSDE的Datasheet PDF文件第6页浏览型号LM34910CSDE的Datasheet PDF文件第7页 
August 2007  
LM34910C  
High Voltage (50V, 1.25A) Step Down Switching Regulator  
Operating frequency remains constant with load current  
and input voltage  
Maximum Duty Cycle Limited During Start-Up  
General Description  
The LM34910C Step Down Switching Regulator features all  
of the functions needed to implement a low cost, efficient,  
buck bias regulator capable of supplying 1.25A to the load.  
Adjustable output voltage  
Valley Current Limit At 1.25A  
This buck regulator contains a 55V N-Channel Buck Switch,  
and is available in the thermally enhanced LLP-10 package.  
The hysteretic regulation scheme requires no loop compen-  
sation, results in fast load transient response, and simplifies  
circuit implementation. The operating frequency remains con-  
stant with line and load variations due to the inverse relation-  
ship between the input voltage and the on-time. The current  
limit detection is set at 1.25A. Additional features include:  
VCC under-voltage lockout, thermal shutdown, gate drive un-  
der-voltage lockout, and maximum duty cycle limiter.  
Precision internal reference  
Low bias current  
Highly efficient operation  
Thermal shutdown  
Typical Applications  
High Efficiency Point-Of-Load (POL) Regulator  
Non-Isolated Telecommunication Buck Regulator  
Secondary High Voltage Post Regulator  
Features  
Integrated 55V, N-Channel buck switch  
Package  
Integrated start-up regulator  
LLP-10 (4 mm x 4 mm)  
Input Voltage Range: 8V to 50V  
Exposed Thermal Pad For Improved Heat Dissipation  
No loop compensation required  
Ultra-Fast transient response  
Connection Diagram  
30023502  
10-Lead LLP  
Ordering Information  
Order Number  
LM34910CSD  
LM34910CSDX  
LM34910CSDE  
Package Type  
NSC Package Drawing  
SDC10A  
Supplied As  
LLP-10 (4x4)  
LLP-10 (4x4)  
LLP-10 (4x4)  
1000 Units on Tape and Reel  
4500 Units on Tape and Reel  
250 Units on Tape and Reel  
SDC10A  
SDC10A  
© 2007 National Semiconductor Corporation  
300235  
www.national.com  

LM34910CSDE 替代型号

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