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NCP1215DR2G

更新时间： 2024-11-28 22:54:31
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
16页 151K
描述
Low Cost Variable OFF Time Switched Mode Power Supply Controller

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中文翻译

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NCP1215DR2G 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-8
针数：6Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.21Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
最小输入电压：8 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G6JESD-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：6
最大输出电流：0.03 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
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

NCP1215DR2G 数据手册

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NCP1215  
Product Preview  
Low Cost Variable OFF Time  
Switched Mode Power  
Supply Controller  
http://onsemi.com  
MARKING  
The NCP1215 is a controller for low power off−line flyback  
Switchemode Power Supplies (SMPS) featuring low size, weight and  
cost constraints together with a good low standby power performance.  
The operating principle uses switching frequency reduction at light  
load by increasing the OFF Time. Also, when OFF Time expands, the  
peak current is gradually reduced down to approximately 1/4 of the  
maximum peak current to prevent from exciting the transformer  
mechanical resonances. The risk of acoustic noise is thus greatly  
diminished while keeping good standby power performance.  
A low power internal supply block also ensures very low current  
consumption at startup without hampering the standby power  
performance.  
A special primary current sensing technique minimizes the impact  
of SMPS switching on control IC operation. The choice of peak  
voltage across the current sense resistor allows dissipation to be  
further reduced. The negative current sensing technique offers  
advantages over a traditional approach by avoiding the voltage drop  
incurred by traditional MOSFET source sensing. Thus, the IC drive  
capability is greatly improved.  
DIAGRAMS  
8
SOIC−8  
D SUFFIX  
CASE 751  
P1215  
ALYW  
8
1
1
6
TSOP−6  
(SOT23−6, SC59−6)  
SN SUFFIX  
6
FAAYW  
1
CASE 318G  
1
FAA = Specific Device Code  
A
L
Y
W
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
PIN CONNECTIONS  
SOIC−8  
Finally, the bulk input ripple ensures a natural frequency dithering  
which smooths the EMI signature.  
FB  
CT  
1
2
3
4
8
7
6
5
NC  
NC  
V
Features  
• Pb−Free Package is Available  
• Variable OFF Time Control Method  
CS  
CC  
GND  
Gate  
• Very Low Current Consumption at Startup  
• Natural Frequency Dithering for Improved EMI Signature  
• Current Mode Control Operation  
(Top View)  
TSOP−6  
• Peak Current Compression Reduces Transformer Noise  
• Programmable Current Sense Resistor Peak Voltage  
• Undervoltage Lockout  
CS  
GND  
CT  
1
6
5
4
Gate  
2
V
CC  
3
FB  
Typical Applications  
(Top View)  
• Auxiliary Power Supply  
• Standby Power Supply  
• AC−DC Adapter  
ORDERING INFORMATION  
†
Device  
Package  
Shipping  
NCP1215DR2  
SOIC−8  
2500 Tape & Reel  
2500 Tape & Reel  
• Off−line Battery Charger  
NCP1215DR2G  
SOIC−8  
(Pb−Free)  
NCP1215SNT1  
TSOP−6  
3000 Tape & Reel  
†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.  
This document contains information on a product under development. ON Semiconductor  
reserves the right to change or discontinue this product without notice.  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
October, 2004 − Rev. 2  
NCP1215/D  
1234567...16

中文翻译

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