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LM34910CSD/NOPB PDF预览

LM34910CSD/NOPB

更新时间: 2024-11-11 02:58:51
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
19页 848K
描述
High Voltage (50V, 1.25A) Step Down Switching Regulator

LM34910CSD/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,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:0.71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:50 V最小输入电压:8 V
标称输入电压:24 VJESD-30 代码:S-PDSO-N10
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: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
最大输出电压:45 V最小输出电压:2.5 V
标称输出电压:7 V封装主体材料:PLASTIC/EPOXY
封装代码:HVSON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
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)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:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

LM34910CSD/NOPB 数据手册

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LM34910C  
www.ti.com  
SNVS517B MAY 2007REVISED MARCH 2013  
LM34910C High Voltage (50V, 1.25A) Step Down Switching Regulator  
Check for Samples: LM34910C  
1
FEATURES  
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. This buck regulator  
contains a 55V N-Channel Buck Switch, and is  
available in the thermally enhanced WSON-10  
package. The hysteretic regulation scheme requires  
no loop compensation, results in fast load transient  
response, and simplifies circuit implementation. The  
operating frequency remains constant with line and  
load variations due to the inverse relationship  
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 under-voltage lockout, and  
maximum duty cycle limiter.  
2
Integrated 55V, N-Channel Buck Switch  
Integrated Start-Up Regulator  
Input Voltage Range: 8V to 50V  
No Loop Compensation Required  
Ultra-Fast Transient Response  
Operating Frequency Remains Constant with  
Load Current and Input Voltage  
Maximum Duty Cycle Limited During Start-Up  
Adjustable Output Voltage  
Valley Current Limit At 1.25A  
Precision Internal Reference  
Low Bias Current  
Highly Efficient Operation  
Thermal Shutdown  
Package  
WSON-10 (4 mm x 4 mm)  
Exposed Thermal Pad For Improved Heat  
Dissipation  
TYPICAL APPLICATIONS  
High Efficiency Point-Of-Load (POL) Regulator  
Non-Isolated Telecommunication Buck  
Regulator  
Secondary High Voltage Post Regulator  
Connection Diagram  
SW  
BST  
ISEN  
1
2
3
4
5
10  
9
VIN  
VCC  
8
RON/SD  
SS  
SGND  
RTN  
7
6
FB  
10-Lead WSON  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2007–2013, Texas Instruments Incorporated  

LM34910CSD/NOPB 替代型号

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