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LM25575MH PDF预览

LM25575MH

更新时间: 2024-11-19 04:00:07
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关
页数 文件大小 规格书
24页 418K
描述
42V, 1.5A Step-Down Switching Regulator

LM25575MH 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP-16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.09其他特性:ALSO OPRERATES IN ADJUSTABLE MODE FROM 1.225V
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:42 V
最小输入电压:6 V标称输入电压:24 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.5 A标称输出电压:7.15 V
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, 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:545 kHz
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.65 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

LM25575MH 数据手册

 浏览型号LM25575MH的Datasheet PDF文件第2页浏览型号LM25575MH的Datasheet PDF文件第3页浏览型号LM25575MH的Datasheet PDF文件第4页浏览型号LM25575MH的Datasheet PDF文件第5页浏览型号LM25575MH的Datasheet PDF文件第6页浏览型号LM25575MH的Datasheet PDF文件第7页 
January 2007  
LM25575  
42V, 1.5A Step-Down Switching Regulator  
General Description  
Features  
The LM25575 is an easy to use SIMPLE SWITCHER® buck  
regulator which allows design engineers to design and opti-  
mize a robust power supply using a minimum set of compo-  
nents. Operating with an input voltage range of 6 - 42V, the  
LM25575 delivers 1.5A of continuous output current with an  
integrated 330mN-Channel MOSFET. The regulator uti-  
lizes an Emulated Current Mode architecture which provides  
inherent line regulation, tight load transient response, and  
ease of loop compensation without the usual limitation of low-  
duty cycles associated with current mode regulators. The  
operating frequency is adjustable from 50kHz to 1MHz to al-  
low optimization of size and efficiency. To reduce EMI, a  
frequency synchronization pin allows multiple IC’s from the  
LM(2)557x family to self-synchronize or to synchronize to an  
external clock. The LM25575 guarantees robustness with cy-  
cle-by-cycle current limit, short-circuit protection, thermal  
shut-down, and remote shut-down. The device is available in  
a power enhanced TSSOP-16 package featuring an exposed  
die attach pad for thermal dissipation. The LM25575 is sup-  
ported by the full suite of WEBENCH® On-Line design tools.  
Integrated 42V, 330mN-channel MOSFET  
Ultra-wide input voltage range from 6V to 42V  
Adjustable output voltage as low as 1.225V  
1.5% feedback reference accuracy  
Operating frequency adjustable between 50kHz and  
1MHz with single resistor  
Master or slave frequency synchronization  
Adjustable soft-start  
Emulated current mode control architecture  
Wide bandwidth error amplifier  
Built-in protection  
Package  
TSSOP-16EP (Exposed Pad)  
Simplified Application Schematic  
20212101  
WEBENCH® is a registered trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
202121  
www.national.com  

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