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NCP1217AD65

更新时间： 2024-11-29 15:46:03
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管
页数 文件大小 规格书
19页 404K
描述
IC 0.5 A SWITCHING CONTROLLER, 71.5 kHz SWITCHING FREQ-MAX, PDSO8, SO-8, Switching Regulator or Controller

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NCP1217AD65 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.75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
标称输入电压：11 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
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）：225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：71.5 kHz技术：CMOS
端子面层：Tin/Lead (Sn/Pb)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

NCP1217AD65 数据手册

 浏览型号NCP1217AD65的Datasheet PDF文件第2页浏览型号NCP1217AD65的Datasheet PDF文件第3页浏览型号NCP1217AD65的Datasheet PDF文件第4页浏览型号NCP1217AD65的Datasheet PDF文件第5页浏览型号NCP1217AD65的Datasheet PDF文件第6页浏览型号NCP1217AD65的Datasheet PDF文件第7页 
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. Due 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.  
Reset occurs when the VCC collapses to ground, e.g. the user unplugs  
the power supply.  
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  
= Year  
W, WW = Work Week  
G or G = Pb--Free Package  
Features  
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  
(Top View)  
500 mA Peak Current Capability  
Fixed Frequency Versions at 65 kHz, 100 kHz and 133 kHz  
Direct Optocoupler Connection  
Internal Leading Edge Blanking  
DEVICE MARKING INFORMATION  
See detailed device marking information in the ordering  
information section on page 17 of this data sheet.  
SPICE Models Available for TRANsient and AC Analysis  
These are Pb--Free Devices  
ORDERING INFORMATION  
Seedetailedorderingandshippinginformationintheordering  
information section on page 17 of this data sheet.  
Typical Applications  
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, 2010  
1
Publication Order Number:  
December, 2010 -- Rev. 7  
NCP1217/D  
1234567...19

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