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APW1172KAI-TUL PDF预览

APW1172KAI-TUL

更新时间: 2024-01-06 08:44:19
品牌 Logo 应用领域
茂达 - ANPEC 稳压器开关光电二极管
页数 文件大小 规格书
21页 443K
描述
2.5A SWITCH STEP DOWN SWITCHING REGULATOR

APW1172KAI-TUL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ObsoleteReach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
控制模式:VOLTAGE-MODEJESD-30 代码:R-PDSO-G8
JESD-609代码:e3湿度敏感等级:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C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):225认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
最大切换频率:300 kHz温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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:NOT SPECIFIEDBase Number Matches:1

APW1172KAI-TUL 数据手册

 浏览型号APW1172KAI-TUL的Datasheet PDF文件第2页浏览型号APW1172KAI-TUL的Datasheet PDF文件第3页浏览型号APW1172KAI-TUL的Datasheet PDF文件第4页浏览型号APW1172KAI-TUL的Datasheet PDF文件第5页浏览型号APW1172KAI-TUL的Datasheet PDF文件第6页浏览型号APW1172KAI-TUL的Datasheet PDF文件第7页 
APW1172  
2.5A SWITCH STEP DOWN SWITCHING REGULATOR  
Features  
General Description  
The APW1172 is a step down monolithic power  
switching regulator with a switching current limit of  
·
·
·
·
2.5A Internal Switch  
Operating Input Voltage from 4.8V to 22V  
3.8Aso it is able to deliver more than 2.5ADC current  
to the load depending on the application conditions.  
The output voltage can be set from 1.235Vto 22V.The  
high current level is also achieved utilize an SO8  
package with exposed padframe. The type of package  
allowstore-ducetheRth(j-amb)downtoapproximately  
45°C/W.  
3.3V ±2% Reference Voltage  
Output Voltage :  
APW1172 - adjustable from 1.235V to 20V  
Low Dropout Operation: 100% Duty Cycle  
·
·
·
·
·
·
·
·
·
·
250KHz Internally Fixed Frequency  
Voltage Feed-Forward  
An internal oscillator fixes the switching frequency at  
250KHz.  
Zero Load Current Operation  
Internal Current Limit  
Having a minimum input voltage of 4.8V only, it is  
particularly suitable for 5V bus, available in all computer  
related applications.  
Inhibit for Zero Current Consumption  
Synchronization  
Pulse by pulse current limit with the internal frequency  
modulation offers an effective constant current short  
circuit protection.  
Protection Against Feedback Disconnection  
Thermal Protection  
External Soft-Start  
·
·
Over-Voltage Protection  
Pin Description  
Lead Free Available (RoHS Compliant)  
OUT  
1
2
8
7
6
5
VCC  
GND  
VREF  
FB  
Applications  
SYNC  
INH  
3
4
·
Consumer: STB, DVD, TV, VCR, Car Radio,  
LCD monitors  
COMP  
·
·
Networking: XDSL, Modems, DC-DC Modules  
Computer: Printers, Audio/Graphic Cards,  
Optical Storage, HardDiskDrive  
Industrial: Chargers, Car Battery DC-DC  
Converters  
SOP-8-P (Top View)  
= Thermal Pad  
(connected to GNDplane for better heat  
dissipation)  
·
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise  
customers to obtain the latest version of relevant information to verify before placing orders.  
Copyright ã ANPEC Electronics Corp.  
1
www.anpec.com.tw  
Rev. A.4 - Aug., 2005  

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DUAL SYNCHRONOUS DC/DC CONTROLLER WITH CURRENT SHARING CONTROL