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NCP1205DR2G

更新时间： 2024-11-26 04:37:59
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光电二极管
页数 文件大小 规格书
17页 268K
描述
Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback

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中文翻译

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NCP1205DR2G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LEAD FREE, SOIC-16
针数：16Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18Is Samacsys：N
其他特性：ALSO HAS RESONANT CONTROL TECHNIQUE模拟集成电路 - 其他类型：SWITCHING CONTROLLER
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：8 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：9.9 mm
湿度敏感等级：3功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：-25 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
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：1.75 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：125 kHz技术：CMOS
温度等级：OTHER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 SPECIFIED
宽度：3.9 mmBase Number Matches：1

NCP1205DR2G 数据手册

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NCP1205  
Single Ended PWM  
Controller Featuring QR  
Operation and Soft  
Frequency Foldback  
The NCP1205 combines a true Current Mode Control modulator  
and a demagnetization detector to ensure full Discontinuous  
Conduction Mode in any load/line conditions and minimum drain  
voltage switching (Quasi−Resonant operation, also called critical  
conduction operation). With its inherent Variable Frequency Mode  
(VFM), the controller decreases its operating frequency at constant  
peak current whenever the output power demand diminishes.  
Associated with automatic multiple valley switching, this unique  
architecture guarantees minimum switching losses and the lowest  
power drawn from the mains when operating at no−load conditions.  
Thus, the NCP1205 is optimal for applications targeting the newest  
International Energy Agency (IEA) recommendations for standby  
power.  
http://onsemi.com  
MARKING  
DIAGRAM  
8
PDIP−8  
N SUFFIX  
CASE 626  
1205P  
AWL  
YYWWG  
8
1
1
14  
PDIP−14  
P SUFFIX  
CASE 646  
The internal High−Voltage current source provides a reliable  
NCP1205P2  
AWLYYWWG  
14  
16  
charging path for the V capacitor and ensures a clean and short  
CC  
startup sequence without deteriorating the efficiency once off.  
The continuous feedback signal monitoring implemented with an  
Overcurrent fault Protection circuitry (OCP) makes the final design  
rugged and reliable. The PDIP−14 offers an adjustable version of the  
OVP threshold via an external resistive network.  
1
1
16  
SOIC−16  
D SUFFIX  
CASE 751B  
NCP1205DG  
AWLYWW  
Features  
• Natural Drain Valley Switching for Lower EMI and Quasi−Resonant  
Operation (QR)  
1
1
• Smooth Frequency Foldback for Low Standby and Minimum Ripple  
A
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
at Light−Load  
WL  
YY, Y  
WW  
G
• Adjustable Maximum Switching Frequency  
• Internal 200 ns Leading Edge Blanking on Current Sense  
• 250 mA Sink and Source Driver  
• Wide Operating Voltages: 8.0 to 30 V  
• Wide UVLO Levels: 7.2 to 15 V Typical  
• Auto−Recovery Internal Short−Circuit Protection (OCP)  
• Integrated 3.0 mA Typ Startup Source  
• Current Mode Control  
• Adjustable Overvoltage Level  
• Pb−Free Packages are Available*  
ORDERING INFORMATION  
†
Device  
Package  
Shipping  
NCP1205P  
PDIP−8  
50 Units/Rail  
50 Units/Rail  
NCP1205PG  
PDIP−8  
(Pb−Free)  
NCP1205P2  
PDIP−14  
25 Units/Rail  
25 Units/Rail  
Applications  
• High Power AC/DC Adapters for Notebooks, etc.  
• Offline Battery Chargers  
NCP1205P2G  
PDIP−14  
(Pb−Free)  
• Power Supplies for DVD, CD Players, TVs, Set−Top Boxes, etc.  
• Auxiliary Power Supplies (USB, Appliances, etc.)  
NCP1205DR2  
SOIC−16 2500/Tape & Reel  
NCP1205DR2G  
SOIC−16 2500/Tape & Reel  
(Pb−Free)  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specifications  
Brochure, BRD8011/D.  
*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, 2006  
1
Publication Order Number:  
October, 2006 − Rev. 7  
NCP1205/D  
1234567...17

中文翻译

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NCP1205DR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1205DR2 ONSEMI

完全替代

 Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
NCP1337DR2G ONSEMI

功能相似

 PWM Current−Mode Controller for Free Running Quasi−Resonant Operation

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