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NCP1288BD65R2G PDF预览

NCP1288BD65R2G

更新时间： 2024-11-08 05:52:03
品牌 Logo 应用领域
安森美 - ONSEMI 转换器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
32页 255K
描述
Fixed Frequency Current Mode Controller for Flyback Converters

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中文翻译

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NCP1288BD65R2G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP7/8,.25针数：7
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.57
Is Samacsys：N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：28 V最小输入电压：6.5 V
标称输入电压：11 VJESD-30 代码：R-PDSO-G7
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1功能数量：1
端子数量：7最高工作温度：125 °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：SOP7/8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED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：70 kHz温度等级：AUTOMOTIVE
端子面层：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 mm
Base Number Matches：1

NCP1288BD65R2G 数据手册

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NCP1288  
Fixed Frequency Current  
Mode Controller for Flyback  
Converters  
The NCP1288 is a new generation of the NCP12xx fixed−frequency  
current−mode controllers featuring a high−voltage startup current,  
pin−to−pin compatible with the previous generation.  
Due to its proprietary Soft−Skip™ mode combined with frequency  
foldback, the controller exhibits excellent efficiency in light load  
condition while still achieving very low standby power consumption.  
This Soft−Skip feature also dramatically reduces the risk of acoustic  
noise, which enables the use of inexpensive transformers and  
capacitors in the clamping network.  
Internal frequency jittering, ramp compensation, and a versatile  
latch input make this controller an excellent candidate for converters  
where ruggedness and components cost are the key constraints.  
In addition, the controller includes a new high voltage circuitry that  
combines a startup current source and a brown−out / line OVP detector  
able to sense the input voltage either from the rectified ac line or the dc  
filtered bulk voltage.  
Finally, due to a careful design, the precision of critical parameters  
is well controlled over the entire temperature range (−40°C to  
+125°C), enabling easier design and increased safety (e.g. $5% for  
the peak current limit, $7% for the oscillator).  
http://onsemi.com  
MARKING  
DIAGRAM  
8
88Xff  
ALYWX  
G
SOIC−7  
CASE 751U  
1
88Xff = Specific Device Code  
X = A or B  
ff = 65, 00, or 33  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
A
L
Y
W
G
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 30 of this data sheet.  
Features  
• Timer−Based Overload Protections with Auto−  
Recovery (Option B) or Latched (Option A) Operation  
• High−Voltage Current Source with Built−in Brown−out  
and Line Overvoltage Protections  
• Fixed−Frequency Current−Mode Operation with  
Built−in Ramp Compensation  
• Frequency Jittering for a Reduced EMI Signature  
• Adjustable Overpower Compensation  
• Latch−off Input for Severe Fault Conditions, with  
Direct Connection of an NTC for Overtemperature  
Protection (OTP)  
• V Operation up to 28 V  
CC  
• Increased Precision on Critical Parameters  
1.0 A Peak Drive Capability  
•
• 4.0 ms Soft−Start  
• Internal Thermal Shutdown with Hysteresis  
• These Devices are Pb−Free, Halogen Free/BFR Free  
and are RoHS Compliant*  
Typical Applications  
• ac−dc Adapters for Notebooks, LCD, and Printers  
• Offline Battery Chargers  
• Consumer Electronic Power Supplies  
• Auxiliary/Housekeeping Power Supplies  
• Protection Against Winding Short−Circuit  
• Frequency Foldback transitioning into Soft−Skip for  
Improved Performance in Standby  
• 65 kHz Oscillator (100 kHz and 133 kHz Versions  
Available Upon Request)  
*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, 2010  
1
Publication Order Number:  
February, 2010 − Rev. 1  
NCP1288/D  
1234567...32

中文翻译

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NCP1288BD65R2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1219AD100R2G ONSEMI

类似代替

 PWM Controller with Adjustable Skip Level and External Latch Input
NCP1207BDR2G ONSEMI

类似代替

 PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
NCP1271D65R2G ONSEMI

类似代替

 Soft−Skip Mode Standby PWM Controller with Adjustable Skip Level and External Latch

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