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NCP1444T

更新时间： 2024-11-07 22:54:31
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器局域网
页数 文件大小 规格书
20页 166K
描述
4.0 A 280 kHz/560 kHz Boost Regulators

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中文翻译

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NCP1444T 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SFM包装说明：TO-220, 7 PIN
针数：3Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.87Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：30 V
最小输入电压：2.7 V标称输入电压：12 V
JESD-30 代码：R-PSFM-T7JESD-609代码：e0
功能数量：1端子数量：7
最高工作温度：85 °C最低工作温度：
最大输出电流：8 A封装主体材料：PLASTIC/EPOXY
封装代码：TO-220封装等效代码：SIP7,.1,50TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：235认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：BOOST最大切换频率：640 kHz
温度等级：OTHER端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE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：NOT SPECIFIED
Base Number Matches：1

NCP1444T 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

中文翻译

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