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LM2703MF-ADJ PDF预览

LM2703MF-ADJ

更新时间: 2024-11-14 22:14:27
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PC
页数 文件大小 规格书
11页 305K
描述
Micropower Step-up DC/DC Converter with 350mA Peak Current Limit

LM2703MF-ADJ 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:VOLTAGE-MODE控制技术:CONSTANT OFF TIME
最大输入电压:7 V最小输入电压:2.2 V
标称输入电压:2.2 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:0.4 A
标称输出电压:20.5 V封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSOP5/6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW 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:1.22 mm子类别:Other Analog ICs
表面贴装:YES切换器配置:BOOST
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.95 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

LM2703MF-ADJ 数据手册

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April 2003  
LM2703  
Micropower Step-up DC/DC Converter with 350mA Peak  
Current Limit  
General Description  
Features  
n 350mA, 0.7, internal switch  
n Uses small surface mount components  
n Adjustable output voltage up to 20V  
n 2.2V to 7V input range  
The LM2703 is a micropower step-up DC/DC in a small  
5-lead SOT-23 package. A current limited, fixed off-time  
control scheme conserves operating current resulting in high  
efficiency over a wide range of load conditions. The 21V  
switch allows for output voltages as high as 20V. The low  
400ns off-time permits the use of tiny, low profile inductors  
and capacitors to minimize footprint and cost in space-  
conscious portable applications. The LM2703 is ideal for  
LCD panels requiring low current and high efficiency as well  
as white LED applications for cellular phone back-lighting.  
The LM2703 can drive up to 4 white LEDs from a single  
Li-Ion battery.  
n Input undervoltage lockout  
n 0.01µA shutdown current  
n Small 5-Lead SOT-23 package  
Applications  
n LCD Bias Supplies  
n White LED Back-Lighting  
n Handheld Devices  
n Digital Cameras  
n Portable Applications  
Typical Application Circuit  
20030601  
FIGURE 1. Typical 20V Application  
© 2003 National Semiconductor Corporation  
DS200306  
www.national.com  

LM2703MF-ADJ 替代型号

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