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LM3100MHX/NOPB PDF预览

LM3100MHX/NOPB

更新时间: 2024-11-23 19:43:23
品牌 Logo 应用领域
美国国家半导体 - NSC 开关光电二极管输出元件
页数 文件大小 规格书
18页 3454K
描述
IC 1.9 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, TSSOP-20, Switching Regulator or Controller

LM3100MHX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:HSSOP, TSSOP20,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.18其他特性:ALSO HAS ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.8V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
最大输入电压:36 V最小输入电压:4.5 V
标称输入电压:18 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:6.5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.9 A
标称输出电压:6 V封装主体材料:PLASTIC/EPOXY
封装代码:HSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz技术:MOS
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

LM3100MHX/NOPB 数据手册

 浏览型号LM3100MHX/NOPB的Datasheet PDF文件第2页浏览型号LM3100MHX/NOPB的Datasheet PDF文件第3页浏览型号LM3100MHX/NOPB的Datasheet PDF文件第4页浏览型号LM3100MHX/NOPB的Datasheet PDF文件第5页浏览型号LM3100MHX/NOPB的Datasheet PDF文件第6页浏览型号LM3100MHX/NOPB的Datasheet PDF文件第7页 
December 1, 2009  
LM3100  
SIMPLE SWITCHER® Synchronous 1MHz 1.5A Step-Down  
Voltage Regulator  
General Description  
Features  
The LM3100 Synchronously Rectified Buck Converter fea-  
tures all functions needed to implement a highly efficient, cost  
effective buck regulator capable of supplying 1.5A to loads  
with voltages as low as 0.8V. Dual 40V N-Channel syn-  
chronous MOSFET switches allow for low external compo-  
nent thus reducing complexity and minimizing board space.  
The LM3100 is designed to work exceptionally well with ce-  
ramic and other very low ESR output capacitors. The Con-  
stant ON-Time (COT) regulation scheme requires no loop  
compensation, results in fast load transient response, and  
simplifies circuit implementation. Through the use of a unique  
design the regulator does not rely on output capacitor ESR  
for stability, as do most other COT regulators. The operating  
frequency remains nearly constant with line and load varia-  
tions due to the inverse relationship between the input voltage  
and the on-time. The oprating frequency can be externally  
programmed up to 1MHz. Protection features include VCC un-  
der-voltage lockout, thermal shutdown and gate drive under-  
voltage lockout. The part is available in a thermally enhanced  
eTSSOP-20 package  
Input voltage range 4.5V - 36V  
1.5A output current  
0.8V, ±1.5% reference  
Integrated 40V, dual N-Channel buck synchronous  
switches  
Low component count and small solution size  
No loop compensation required  
Ultra-fast transient response  
Stable with ceramic and other low ESR capacitors  
Programmable switching frequency up to 1MHz  
Max. duty cycle limited during start-up  
Valley current limit  
Precision Internal Reference for adjustable output voltage  
down to 0.8V  
Thermal shutdown  
Thermally enhanced eTSSOP-20 package  
Typical Applications  
5VDC, 12VDC, 24VDC, 12VAC, and 24VAC systems  
Embedded Systems  
Industrial Controls  
Automotive Telematics and Body Electronics  
Point of Load Regulators  
Storage Systems  
Broadband Infrastructure  
Direct Conversion from 2/3/4 Cell Lithium Batteries  
Systems  
Typical Application  
20174702  
SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation  
© 2009 National Semiconductor Corporation  
201747  
www.national.com  

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