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LM3475MFX/NOPB PDF预览

LM3475MFX/NOPB

更新时间: 2024-11-10 18:33:35
品牌 Logo 应用领域
美国国家半导体 - NSC 开关光电二极管
页数 文件大小 规格书
14页 765K
描述
IC SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO5, PLASTIC, SOT-23, 5 PIN, Switching Regulator or Controller

LM3475MFX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:LSSOP, TSOP5/6,.11,37Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:6.98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:10 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:e3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:1 A
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: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:Matte Tin (Sn)
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

LM3475MFX/NOPB 数据手册

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January 2005  
LM3475  
Hysteretic PFET Buck Controller  
General Description  
Features  
n Easy to use control methodology  
n 0.8V to VIN adjustable output range  
n High Efficiency (90% typical)  
The LM3475 is a hysteretic P-FET buck controller designed  
to support a wide range of high efficiency applications in a  
very small SOT23-5 package. The hysteretic control scheme  
has several advantages, including simple system design  
with no external compensation, stable operation with a wide  
range of components, and extremely fast transient re-  
sponse. Hysteretic control also provides high efficiency op-  
eration, even at light loads. The PFET architecture allows for  
low component count as well as 100% duty cycle and ultra-  
low dropout operation.  
n
0.9% ( 1.5% over temp) feedback voltage  
n 100% duty cycle capable  
n Maximum operating frequency up to 2MHz  
n Internal Soft-Start  
n Enable pin  
n SOT23-5 package  
Applications  
n TFT Monitor  
n Auto PC  
n Vehicle Security  
n Navigation Systems  
n Notebook Standby Supply  
n Battery Powered Portable Applications  
n Distributed Power Systems  
Typical Application Circuit  
20070101  
© 2005 National Semiconductor Corporation  
DS200701  
www.national.com  

LM3475MFX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3475MFX/NOPB TI

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LM3475MF/NOPB TI

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10V、滞后 PFET 降压控制器 | DBV | 5 | -40 to 125

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