5秒后页面跳转
捷配首页

Datasheet > LM2674MX-12
LM2674MX-12 PDF预览

LM2674MX-12

更新时间： 2024-09-28 22:16:23
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 941K
描述
SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator

阅读下载

中文翻译

获取价格

LM2674MX-12 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：PLASTIC, SO-8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.27模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE最大输入电压：40 V
最小输入电压：6.5 V标称输入电压：24 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm湿度敏感等级：1
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：1.25 A标称输出电压：12 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：235
认证状态：Not Qualified座面最大高度：1.75 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：275 kHz
技术：DMOS温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.9 mm

LM2674MX-12 数据手册

 浏览型号LM2674MX-12的Datasheet PDF文件第2页浏览型号LM2674MX-12的Datasheet PDF文件第3页浏览型号LM2674MX-12的Datasheet PDF文件第4页浏览型号LM2674MX-12的Datasheet PDF文件第5页浏览型号LM2674MX-12的Datasheet PDF文件第6页浏览型号LM2674MX-12的Datasheet PDF文件第7页 
February 2005  
LM2674  
SIMPLE SWITCHER® Power Converter High Efficiency  
500 mA Step-Down Voltage Regulator  
To simplify the LM2674 buck regulator design procedure,  
there exists computer design software, LM267X Made  
Simple (version 6.0).  
General Description  
The LM2674 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 500 mA load current  
with excellent line and load regulation. These devices are  
available 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 LM2674 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 500mA 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 LM2674 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  
10004101  
SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation.  
Windows® is a registered trademark of Microsoft Corporation.  
© 2005 National Semiconductor Corporation  
DS100041  
www.national.com  
1234567...26

中文翻译

下载PDF

与LM2674MX-12相关器件

型号 品牌 获取价格 描述 数据表
LM2674MX-12/NOPB TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High
LM2674MX-3.3 NSC

获取价格

 		SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
LM2674MX-3.3/NOPB TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High
LM2674MX-5.0 NSC

获取价格

 		SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
LM2674MX-5.0/NOPB TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High
LM2674MX-ADJ NSC

获取价格

 		SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
LM2674MX-ADJ/NOPB TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High
LM2674N-12 NSC

获取价格

 		SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
LM2674N-12 TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High
LM2674N-12/NOPB TI

获取价格

 		LM2674 SIMPLE SWITCHER® Power Converter High

与LM2674MX-12相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证