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LM2675LD-5.0EP

更新时间： 2024-11-23 13:09:19
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器稳压器
页数 文件大小 规格书
26页 914K
描述
IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO8, LLP-8, Switching Regulator or Controller

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LM2675LD-5.0EP 技术参数

生命周期：Transferred包装说明：VSON,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.55
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：40 V
最小输入电压：6.5 V标称输入电压：12 V
JESD-30 代码：S-XDSO-N8长度：5 mm
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：2.2 A封装主体材料：UNSPECIFIED
封装代码：VSON封装形状：SQUARE
封装形式：SMALL OUTLINE, VERY THIN PROFILE认证状态：Not Qualified
座面最大高度：0.8 mm表面贴装：YES
切换器配置：BUCK最大切换频率：275 kHz
温度等级：AUTOMOTIVE端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
宽度：5 mmBase Number Matches：1

LM2675LD-5.0EP 数据手册

 浏览型号LM2675LD-5.0EP的Datasheet PDF文件第2页浏览型号LM2675LD-5.0EP的Datasheet PDF文件第3页浏览型号LM2675LD-5.0EP的Datasheet PDF文件第4页浏览型号LM2675LD-5.0EP的Datasheet PDF文件第5页浏览型号LM2675LD-5.0EP的Datasheet PDF文件第6页浏览型号LM2675LD-5.0EP的Datasheet PDF文件第7页 
June 2005  
LM2675  
SIMPLE SWITCHER® Power Converter High Efficiency  
1A Step-Down Voltage Regulator  
To simplify the LM2675 buck regulator design procedure,  
there exists computer design software, LM267X Made  
Simple version 6.0.  
General Description  
The LM2675 series of regulators are monolithic integrated  
circuits built with a LMDMOS process. These regulators  
provide all the active functions for a step-down (buck)  
switching regulator, capable of driving a 1A load current with  
excellent line and load regulation. These devices are avail-  
able in fixed output voltages of 3.3V, 5.0V, 12V, and an  
adjustable output version.  
Features  
n Efficiency up to 96%  
n Available in SO-8, 8-pin DIP and LLP packages  
n Computer Design Software LM267X Made Simple  
(version 6.0)  
Requiring a minimum number of external components, these  
regulators are simple to use and include patented internal  
frequency compensation (Patent Nos. 5,382,918 and  
5,514,947) and a fixed frequency oscillator.  
n Simple and easy to design with  
n Requires only 5 external components  
n Uses readily available standard inductors  
n 3.3V, 5.0V, 12V, and adjustable output versions  
n Adjustable version output voltage range: 1.21V to 37V  
The LM2675 series operates at a switching frequency of  
260 kHz, thus allowing smaller sized filter components than  
what would be needed with lower frequency switching regu-  
lators. Because of its very high efficiency ( 90%), the cop-  
per traces on the printed circuit board are the only heat  
sinking needed.  
n
1.5% max output voltage tolerance over line and load  
conditions  
>
n Guaranteed 1A output load current  
n 0.25Ω DMOS Output Switch  
n Wide input voltage range: 8V to 40V  
n 260 kHz fixed frequency internal oscillator  
n TTL shutdown capability, low power standby mode  
n Thermal shutdown and current limit protection  
A family of standard inductors for use with the LM2675 are  
available from several different manufacturers. This feature  
greatly simplifies the design of switch-mode power supplies  
using these advanced ICs. Also included in the datasheet  
are selector guides for diodes and capacitors designed to  
work in switch-mode power supplies.  
Typical Applications  
Other features include a guaranteed 1.5% tolerance on  
output voltage within specified input voltages and output  
load conditions, and 10% on the oscillator frequency. Ex-  
ternal shutdown is included, featuring typically 50 µA  
stand-by current. The output switch includes current limiting,  
as well as thermal shutdown for full protection under fault  
conditions.  
>
n Simple High Efficiency ( 90%) Step-Down (Buck)  
Regulator  
n Efficient Pre-Regulator for Linear Regulators  
n Positive-to-Negative Converter  
Typical Application  
01280301  
SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation.  
Windows® is a registered trademark of Microsoft Corporation.  
© 2005 National Semiconductor Corporation  
DS012803  
www.national.com  
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