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LM2735XQMF PDF预览

LM2735XQMF

更新时间: 2024-11-06 07:02:59
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光电二极管
页数 文件大小 规格书
42页 743K
描述
520kHz/1.6MHz - Space-Efficient Boost and SEPIC DC-DC Regulator

LM2735XQMF 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOT-23, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14Is Samacsys:N
其他特性:ALSO OPERATES IN PEAK CURRENT; ALSO OPERATES IN ADJUSTABLE MODE FROM 3V TO 24V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:5.5 V最小输入电压:2.7 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e0长度:2.92 mm
湿度敏感等级:1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封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSOP5/6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.19 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:2000 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.953 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

LM2735XQMF 数据手册

 浏览型号LM2735XQMF的Datasheet PDF文件第2页浏览型号LM2735XQMF的Datasheet PDF文件第3页浏览型号LM2735XQMF的Datasheet PDF文件第4页浏览型号LM2735XQMF的Datasheet PDF文件第5页浏览型号LM2735XQMF的Datasheet PDF文件第6页浏览型号LM2735XQMF的Datasheet PDF文件第7页 
September 10, 2008  
LM2735  
520kHz/1.6MHz – Space-Efficient Boost and SEPIC DC-DC  
Regulator  
General Description  
Features  
The LM2735 is an easy-to-use, space-efficient 2.1A low-side  
switch regulator ideal for Boost and SEPIC DC-DC regulation.  
It provides all the active functions to provide local DC/DC  
conversion with fast-transient response and accurate regula-  
tion in the smallest PCB area. Switching frequency is inter-  
nally set to either 520kHz or 1.6MHz, allowing the use of  
extremely small surface mount inductor and chip capacitors  
while providing efficiencies up to 90%. Current-mode control  
and internal compensation provide ease-of-use, minimal  
component count, and high-performance regulation over a  
wide range of operating conditions. External shutdown fea-  
tures an ultra-low standby current of 80 nA ideal for portable  
applications. Tiny SOT23-5, LLP-6, and eMSOP-8 packages  
provide space-savings. Additional features include internal  
soft-start, circuitry to reduce inrush current, pulse-by-pulse  
current limit, and thermal shutdown.  
Input voltage range 2.7V to 5.5V  
Output voltage range 3V to 24V  
2.1A switch current over full temperature range  
Current-Mode control  
Logic high enable pin  
Ultra low standby current of 80 nA in shutdown  
170 mNMOS switch  
±2% feedback voltage accuracy  
Ease-of-use, small total solution size  
Internal soft-start  
Internal compensation  
Two switching frequencies  
520 kHz (LM2735-Y)  
1.6 MHz (LM2735-X)  
Uses small surface mount inductors and chip capacitors  
Tiny SOT23-5, LLP-6, and eMSOP-8 packages  
Applications  
LCD Display Backlighting For Portable Applications  
OLED Panel Power Supply  
USB Powered Devices  
Digital Still and Video Cameras  
White LED Current Source  
Automotive  
Typical Boost Application Circuit  
20215801  
Efficiency vs Load Current VO = 12202V15815  
© 2008 National Semiconductor Corporation  
202158  
www.national.com  

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