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LM2676SDX-3.3 PDF预览

LM2676SDX-3.3

更新时间： 2024-11-16 12:18:39
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
35页 1445K
描述
LM2676 SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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LM2676SDX-3.3 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SON
包装说明：HVSON,针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.1
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制技术：PULSE WIDTH MODULATION
最大输入电压：40 V最小输入电压：8 V
标称输入电压：12 VJESD-30 代码：R-PDSO-N14
JESD-609代码：e0长度：6 mm
湿度敏感等级：1功能数量：1
端子数量：14最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：5.4 A
标称输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
座面最大高度：1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：280 kHz
温度等级：AUTOMOTIVE端子面层：TIN LEAD
端子形式：NO LEAD端子节距：0.8 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：5 mmBase Number Matches：1

LM2676SDX-3.3 数据手册

 浏览型号LM2676SDX-3.3的Datasheet PDF文件第2页浏览型号LM2676SDX-3.3的Datasheet PDF文件第3页浏览型号LM2676SDX-3.3的Datasheet PDF文件第4页浏览型号LM2676SDX-3.3的Datasheet PDF文件第5页浏览型号LM2676SDX-3.3的Datasheet PDF文件第6页浏览型号LM2676SDX-3.3的Datasheet PDF文件第7页 
LM2676  
www.ti.com  
SNVS031J –APRIL 2000–REVISED APRIL 2013  
®
LM2676 SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator  
Check for Samples: LM2676  
1
FEATURES  
DESCRIPTION  
The LM2676 series of regulators are monolithic  
integrated circuits which provide all of the active  
functions for a step-down (buck) switching regulator  
capable of driving up to 3A loads with excellent line  
and load regulation characteristics. High efficiency  
(>90%) is obtained through the use of a low ON-  
resistance DMOS power switch. The series consists  
of fixed output voltages of 3.3V, 5V and 12V and an  
adjustable output version.  
2
•
Efficiency Up to 94%  
•
Simple and Easy to Design with (Using Off-  
The-Shelf External Components)  
•
•
150 mΩ DMOS Output Switch  
3.3V, 5V and 12V Fixed Output and Adjustable  
(1.2V to 37V) Versions  
•
•
50μA Standby Current When Switched OFF  
±2% Maximum Output Tolerance Over Full  
Line and Load Conditions  
The SIMPLE SWITCHER concept provides for a  
complete design using a minimum number of external  
•
•
•
Wide Input Voltage Range: 8V to 40V  
components.  
A
high fixed frequency oscillator  
(260KHz) allows the use of physically smaller sized  
components. A family of standard inductors for use  
with the LM2676 are available from several  
manufacturers to greatly simplify the design process.  
260 KHz Fixed Frequency Internal Oscillator  
−40 to +125°C Operating Junction Temperature  
Range  
The LM2676 series also has built in thermal  
shutdown, current limiting and an ON/OFF control  
input that can power down the regulator to a low  
50μA quiescent current standby condition. The output  
voltage is ensured to a ±2% tolerance. The clock  
frequency is controlled to within a ±11% tolerance.  
APPLICATIONS  
•
•
•
Simple to Design, High Efficiency (>90%) Step-  
Down Switching Regulators  
Efficient System Pre-Regulator for Linear  
Voltage Regulators  
Battery Chargers  
Typical Application  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SIMPLE SWITCHER, Switchers Made Simple are registered trademarks of Texas Instruments.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
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