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NCP1217D100R2G PDF预览

NCP1217D100R2G

更新时间： 2024-11-29 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
18页 242K
描述
Enhanced PWM Current−Mode Controller for High−Power Universal Off−Line Supplies

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中文翻译

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NCP1217D100R2G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Not Recommended零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：6.86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
最小输入电压：8.3 V标称输入电压：11 V
JESD-30 代码：R-PDSO-G8JESD-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：8
最大输出电流：0.5 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.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：110 kHz技术：CMOS
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：40宽度：3.9 mm
Base Number Matches：1

NCP1217D100R2G 数据手册

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NCP1217, NCP1217A  
Enhanced PWM Current−Mode  
Controller for High−Power  
Universal Off−Line Supplies  
Housed in an SO−8 or PDIP−7 package, the NCP1217 represents  
the enhanced version of the NCP1203−based controllers. Thanks to its  
high drive capability, NCP1217 drives large gate−charge MOSFETs,  
which together with internal ramp compensation and built−in  
overvoltage protection, ease the design of modern AC/DC adapters.  
NCP1217 offers a true alternative to UC384X−based designs.  
With an internal structure operating at different fixed frequencies  
(65–100–133 kHz), the controller features a high−voltage startup FET,  
which ensures a clean and loss less startup sequence. Its current−mode  
control topology provides an excellent input audio−susceptibility and  
inherent pulse−by−pulse control. Internal ramp compensation easily  
prevents subharmonic oscillations from taking place in continuous  
conduction mode designs.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
SOIC−8  
D1, D2 SUFFIX  
CASE 751  
17xxx  
ALYW  
G
8
1
1
When the current setpoint falls below a given value, e.g. the output  
power demand diminishes, the IC automatically enters the so−called  
skip cycle mode and provides excellent efficiency at light loads.  
Because this occurs at a user adjustable low peak current, no acoustic  
noise takes place.  
The NCP1217 features two efficient protective circuitries: 1) In  
presence of an overcurrent condition, the output pulses are disabled  
and the device enters a safe burst mode, trying to restart. Once the  
default has gone, the device auto−recovers. 2) If an external signal  
(e.g. a temperature sensor) pulls Pin 1 above 3.2 V, output pulses are  
immediately stopped and the NCP1217 stays latched in this position.  
P1217xxxx  
AWL  
YYWWG  
PDIP−8  
N SUFFIX  
CASE 626  
8
1
1
xxxx  
A
L, WL  
Y, YY  
= Specific Device Code  
= Assembly Location  
= Wafer Lot  
Reset occurs when the V collapses to ground, e.g. the user unplugs  
CC  
the power supply.  
= Year  
W, WW = Work Week  
Features  
G or G  
= Pb−Free Package  
• Current−Mode with Adjustable Skip−Cycle Capability  
• Built−in Internal Ramp Compensation  
• Auto−Recovery Internal Output Short−Circuit Protection  
• Internal 1.0 ms Soft−Start (NCP1217A Only)  
• Limited Duty−Cycle to 50% (NCP1217A Only)  
• Full Latchoff if Adjustment Pin is Brought High  
• Extremely Low No−Load Standby Power  
• Internal Temperature Shutdown  
PIN CONNECTIONS  
Adj  
1
2
3
4
8
7
6
5
HV  
NC  
V
FB  
CS  
CC  
GND  
Drv  
• 500 mA Peak Current Capability  
(Top View)  
• Fixed Frequency Versions at 65 kHz, 100 kHz and 133 kHz  
• Direct Optocoupler Connection  
DEVICE MARKING INFORMATION  
See detailed device marking information in the ordering  
information section on page 16 of this data sheet.  
• Internal Leading Edge Blanking  
• SPICE Models Available for TRANsient and AC Analysis  
• Pb−Free Packages are Available  
Typical Applications  
ORDERING INFORMATION  
See detailed ordering and shipping information in the ordering  
information section on page 16 of this data sheet.  
• High Power AC/DC Converters for TVs, Set−Top Boxes, etc.  
• Offline Adapters for Notebooks  
• Telecom DC−DC Converters  
• All Power Supplies  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
September, 2005 − Rev. 4  
NCP1217/D  
1234567...18

中文翻译

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NCP1217D100R2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1217D100R2 ONSEMI

完全替代

 Enhanced PWM Current-Mode Controller for High-Power Universal Off-Line Supplies

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