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NCP1444FR4G PDF预览

NCP1444FR4G

更新时间： 2024-11-10 20:09:23
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
20页 167K
描述
IC,SMPS CONTROLLER,CURRENT-MODE,SIP,7PIN,PLASTIC

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中文翻译

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NCP1444FR4G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：, SMSIP7H,.4,50TBReach Compliance Code：unknown
风险等级：5.84控制模式：CURRENT-MODE
湿度敏感等级：3端子数量：7
最高工作温度：85 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装等效代码：SMSIP7H,.4,50TB
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：YES最大切换频率：640 kHz
温度等级：OTHER端子节距：1.27 mm
端子位置：SINGLEBase Number Matches：1

NCP1444FR4G 数据手册

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NCP1442, NCP1443,  
NCP1444, NCP1445  
4.0 A 280 kHz/560 kHz  
Boost Regulators  
The NCP1442/3/4/5 products are 280 kHz/560 kHz switching  
regulators with a high efficiency, 4.0 A integrated switch. These parts  
operate over a wide input voltage range, from 2.7 V to 30 V. The  
flexibility of the design allows the chips to operate in most power  
supply configurations, including boost, flyback, forward, inverting,  
and SEPIC. The ICs utilize current mode architecture, which allows  
excellent load and line regulation, as well as a practical means for  
limiting current. Combining high−frequency operation with a highly  
integrated regulator circuit results in an extremely compact power  
supply solution. The circuit design includes provisions for features  
such as frequency synchronization, shutdown, and feedback controls  
for either positive or negative voltage regulation.  
http://onsemi.com  
PowerFLEX]  
7−PIN  
F SUFFIX  
CASE 936J  
1
7
7 LEAD, TO−220  
T SUFFIX  
CASE 821P  
1
Part Number  
NCP1442  
NCP1443  
NCP1444  
NCP1445  
Frequency  
280 kHz  
280 kHz  
560 kHz  
560 kHz  
Feedback Voltage Polarity  
Positive  
7
PIN CONNECTIONS AND  
MARKING DIAGRAMS  
Negative  
Positive  
Negative  
NC  
Features  
NC  
P144xT  
AWLYWW  
P144xF  
AWLYWW  
• Pb−Free Packages are Available*  
• Integrated Power Switch: 4.0 A Guaranteed  
• Wide Input Range: 2.7 V to 30 V  
• High Frequency Allows for Small Components  
• Minimum External Components  
1
7
PowerFLEX  
7−PIN  
1
7
7 LEAD, TO−220  
• Easy External Synchronization  
• Built−in Overcurrent Protection  
• Frequency Foldback Reduces Component Stress During an  
Overcurrent Condition  
NCP1443/5  
NCP1442/4  
1. V  
Pin 1. V  
C
C
2. TEST  
3. NFB  
4. GND  
2. FB  
3. TEST  
4. GND  
• Thermal Shutdown with Hysteresis  
• Regulates Either Positive or Negative Output Voltages  
• Shut Down Current: 50 mA Maximum  
5. V  
5. V  
SW  
SW  
6. SS  
6. SS  
7. V  
7. V  
CC  
CC  
Applications  
x
A
= Device Number 2, 3, 4, or 5  
= Assembly Location  
• Boost Converter  
WL = Wafer Lot  
= Year  
WW = Work Week  
• Inverting Converter  
• Distributed Power  
• Portable Computers  
• Battery Powered Systems  
Y
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 18 of this data sheet.  
*For additional information on our Pb−Free strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
October, 2004 − Rev. 7  
NCP1442/D  
1234567...20

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