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LM22676TJ-5.0 PDF预览

LM22676TJ-5.0

更新时间: 2024-11-25 05:42:03
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
16页 609K
描述
3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable

LM22676TJ-5.0 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:PLASTIC, TO-263, 7 PINReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11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:42 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:R-PSSO-G7
JESD-609代码:e3长度:10.16 mm
湿度敏感等级:1功能数量:1
端子数量:7最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:5.5 A
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装等效代码:SMSIP7H,.55,50TB
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:2.25 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:600 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:SINGLE
处于峰值回流温度下的最长时间:40宽度:9.85 mm
Base Number Matches:1

LM22676TJ-5.0 数据手册

 浏览型号LM22676TJ-5.0的Datasheet PDF文件第2页浏览型号LM22676TJ-5.0的Datasheet PDF文件第3页浏览型号LM22676TJ-5.0的Datasheet PDF文件第4页浏览型号LM22676TJ-5.0的Datasheet PDF文件第5页浏览型号LM22676TJ-5.0的Datasheet PDF文件第6页浏览型号LM22676TJ-5.0的Datasheet PDF文件第7页 
November 21, 2008  
LM22676  
3A SIMPLE SWITCHER®, Step-Down Voltage Regulator  
with Precision Enable  
General Description  
Features  
The LM22676 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 N-channel MOSFET. The series consists of a  
fixed 5V output and an adjustable version.  
The SIMPLE SWITCHER® concept provides for an easy to  
use complete design using a minimum number of external  
components and National’s WEBENCH® design tool.  
National’s WEBENCH® tool includes features such as exter-  
nal component calculation, electrical simulation, thermal sim-  
ulation, and Build-It boards for easy design-in. The switching  
clock frequency is provided by an internal fixed frequency os-  
cillator which operates at 500 kHz. The LM22676 series also  
has built in thermal shutdown, current limiting and an enable  
control input that can power down the regulator to a low 25  
µA quiescent current standby condition.  
Wide input voltage range: 4.5V to 42V  
Internally compensated voltage mode control  
Stable with low ESR ceramic capacitors  
120 mN-channel MOSFET TO-263 THIN package  
100 mN-channel MOSFET PSOP-8 package  
Output voltage options:  
-ADJ (outputs as low as 1.285V)  
-5.0 (output fixed to 5V)  
±1.5% feedback reference accuracy  
Switching frequency of 500 kHz  
-40°C to 125°C operating junction temperature range  
Precision enable pin  
Integrated boot diode  
Integrated soft-start  
Fully WEBENCH® enabled  
Step-down and inverting buck-boost applications  
Package  
PSOP-8 (Exposed Pad)  
TO-263 THIN (Exposed Pad)  
Applications  
Industrial Control  
Telecom and Datacom Systems  
Embedded Systems  
Automotive Telematics and Body Electronics  
Conversions from Standard 24V, 12V and 5V Input Rails  
Simplified Application Schematic  
30076501  
© 2008 National Semiconductor Corporation  
300765  
www.national.com  

LM22676TJ-5.0 替代型号

型号 品牌 替代类型 描述 数据表
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