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LM2731YMF PDF预览

LM2731YMF

更新时间: 2024-10-27 22:10:43
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器开关光电二极管升压转换器
页数 文件大小 规格书
16页 525K
描述
0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23

LM2731YMF 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:5.15模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:14 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最大输出电流:2 A
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:800 kHz
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
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 mmBase Number Matches:1

LM2731YMF 数据手册

 浏览型号LM2731YMF的Datasheet PDF文件第2页浏览型号LM2731YMF的Datasheet PDF文件第3页浏览型号LM2731YMF的Datasheet PDF文件第4页浏览型号LM2731YMF的Datasheet PDF文件第5页浏览型号LM2731YMF的Datasheet PDF文件第6页浏览型号LM2731YMF的Datasheet PDF文件第7页 
July 2003  
LM2731  
0.6/1.6 MHz Boost Converters With 22V Internal FET  
Switch in SOT-23  
General Description  
The LM2731 switching regulators are current-mode boost  
converters operating at fixed frequencies of 1.6 MHz (“X”  
option) and 600 kHz (“Y” option).  
Features  
n 22V DMOS FET switch  
n 1.6 MHz (“X”), 0.6 MHz (“Y”) switching frequency  
n Low RDS(ON) DMOS FET  
The use of SOT-23 package, made possible by the minimal  
power loss of the internal 1.8A switch, and use of small  
inductors and capacitors result in the industry’s highest  
power density. The 22V internal switch makes these solu-  
tions perfect for boosting to voltages up to 20V.  
n Switch current up to 1.8A  
n Wide input voltage range (2.7V–14V)  
<
n Low shutdown current ( 1 µA)  
n 5-Lead SOT-23 package  
n Uses tiny capacitors and inductors  
n Cycle-by-cycle current limiting  
n Internally compensated  
These parts have a logic-level shutdown pin that can be  
used to reduce quiescent current and extend battery life.  
Protection is provided through cycle-by-cycle current limiting  
and thermal shutdown. Internal compensation simplifies de-  
sign and reduces component count.  
Applications  
n White LED Current Source  
n PDA’s and Palm-Top Computers  
n Digital Cameras  
Switch Frequency  
X
Y
n Portable Phones and Games  
n Local Boost Regulator  
1.6 MHz  
0.6 MHz  
Typical Application Circuit  
20059110  
20059130  
© 2003 National Semiconductor Corporation  
DS200591  
www.national.com  

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