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NCP1910A100DWR2G PDF预览

NCP1910A100DWR2G

更新时间： 2024-11-08 11:01:39
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
37页 396K
描述
高性能组合控制器，用于 ATX 电源

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中文翻译

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NCP1910A100DWR2G 技术参数

是否无铅： 不含铅生命周期：Active
包装说明：,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：22 weeks风险等级：5.71
模拟集成电路 - 其他类型：POWER FACTOR CONTROLLERJESD-609代码：e3
湿度敏感等级：3端子面层：Tin (Sn)
Base Number Matches：1

NCP1910A100DWR2G 数据手册

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NCP1910  
High Performance Combo  
Controller for ATX Power  
Supplies  
Housed in a SO−24WB package, the NCP1910 combines a  
state−of−the−art circuitry aimed to powering next generation of ATX  
or flat TVs converters. With a 65 kHz Continuous Conduction Mode  
Power Factor Controller and a LLC controller hosting a high−voltage  
driver, the NCP1910 is ready to power 85+ types of offline power  
supplies. To satisfy stringent efficiency considerations, the PFC circuit  
implements an adjustable frequency fold back to reduce switching  
losses as the load is going light. To cope with all the signal sequencing  
required by the ATX and flat TVs specifications, the controller  
includes several dedicated pins enabling handshake between the  
secondary and the primary sides. These signals include a power−good  
line but also a control pin which turns the controller on and off via an  
opto coupler. Safety−wise, a second OVP input offers the necessary  
redundancy in case the main feedback network would drift away.  
Finally, a fast fault input immediately reacts in presence of an over  
current condition by triggering an auto−recovery soft−start sequence.  
http://onsemi.com  
SO−24WB Less Pin 21  
DW SUFFIX  
CASE 752AB  
MARKING DIAGRAM  
NCP1910XXX  
AWLYYWWG  
1
XXXXX = Specific Device Code  
A
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
WL  
YY  
WW  
G
Features  
• Fixed−Frequency 65 kHz CCM Power Factor Controller  
• Average Current−Mode Control for Low Line Distortion  
• Dynamic Response Enhancer Reduces Bulk Undershoot  
• Independent Over Voltage Protection Sensing Pin with Latch−off  
Capability  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 36 of this data sheet.  
• Adjustable Frequency Fold Back Improves Light Load Efficiency  
• Adjustable Line Brown−out Protection with 50 ms  
Delay to Help Meeting Hold−up Time Specifications  
• Programmable Over current Threshold Leads to an  
Optimized Sensing Resistor  
• on/off Control Pin for Secondary−Based Remote  
Control  
• On−Board 5 V Reference Voltage for Precise  
Thresholds/Hysteresis Adjustments  
• Power Good Output Management Signal  
•
1 A peak Current Drive Capability  
• LLC Controller Operates from 25 kHz to 500 kHz  
• On Board 600 V High−Voltage Drivers  
• 1 A/0.5 A Sink/Source Capability  
• A Version with Dual Ground Pinout (No Skip),  
B Version with Single Ground and Skip Operation for  
the LLC Controller  
• 20 V Operation  
• These are Pb−Free Devices  
• Minimum Frequency Precision Down to 3% Over  
Temperature Range  
• Internally Fixed Dead−Time Value of 300 ns  
Typical Applications  
• Adjustable Soft−Start Sequence  
• Multi Output ATX Power Supplies (A version)  
• Flat TVs Power Supplies (B version)  
• Fast Fault Input with Soft−Start Trigger for Immediate  
Auto−Recovery Protection  
© Semiconductor Components Industries, LLC, 2012  
1
Publication Order Number:  
December, 2012 − Rev. 1  
NCP1910/D  
1234567...37

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