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NCP1381DR2G PDF预览

NCP1381DR2G

更新时间： 2024-09-19 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
26页 554K
描述
Low−Standby High Performance PWM Controller

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中文翻译

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NCP1381DR2G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP14,.25针数：14
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：7.68其他特性：RESONANT CONTROL TECHNIQUE IS ALSO AVAILABLE
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：20 V
最小输入电压：11 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G14JESD-609代码：e3
长度：8.65 mm功能数量：1
端子数量：14最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP14,.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
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

NCP1381DR2G 数据手册

 浏览型号NCP1381DR2G的Datasheet PDF文件第2页浏览型号NCP1381DR2G的Datasheet PDF文件第3页浏览型号NCP1381DR2G的Datasheet PDF文件第4页浏览型号NCP1381DR2G的Datasheet PDF文件第5页浏览型号NCP1381DR2G的Datasheet PDF文件第6页浏览型号NCP1381DR2G的Datasheet PDF文件第7页 
NCP1381  
Low−Standby High  
Performance PWM  
Controller  
Housed in a SO−14 package, the NCP1381 includes everything  
needed to build rugged and efficient Quasi−Resonant (QR) Switching  
Power Supplies. When powered by a front−end Power Factor  
Correction circuitry, the NCP1381 automatically disconnects the PFC  
controller in low output loading conditions (with an adjustable level),  
thus improving the standby power. This is particularly well suited for  
medium to high power offline applications, e.g. notebook adapters.  
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 an adjustable low peak current together with a  
proprietary Soft−Skipt technique, no acoustic noise takes place. Skip  
cycle also offers the ability to easily select the maximum switching  
frequency at which foldback and standby take place.  
http://onsemi.com  
HIGH PERFORMANCE QR  
CONTROLLER FEATURING PFC  
SHUTDOWN  
MARKING  
DIAGRAM  
14  
SOIC−14  
D SUFFIX  
CASE 751A  
NCP1381G  
AWLYWW  
14  
The NCP1381 also features several efficient protection options like  
a) a short−circuit / overload detection independent of the auxiliary  
voltage b) an auto−recovery brown−out detection and c) an input to  
externally latch the circuit in case of Overvoltage Protection or Over  
Temperature Protection.  
1
1
NCP1381G = Specific Device Code  
A
WL  
Y
= Assembly Location  
= Wafer Lot  
= Year  
Features  
• Current−Mode Quasi−Resonant Operation  
• Adjustable Line Over Power Protection  
• Extremely Low Startup Current of 15 mA Maximum  
• Soft−Skip Cycle Capability at Adjustable Peak Currents  
• Plateau Sensing Overvoltage  
WW  
= Work Week  
G = Pb−Free Package  
ADJ_GTS  
1
14  
13  
12  
11  
10  
9
nc  
• Brown−Out Protection  
BO  
2
nc  
• Maximum t Limitation  
ON  
DMG  
3
Ref  
• Overpower Protection by current Sense Offset  
• Internal 5 ms Soft−Start Management  
Timer  
4
5
6
7
GTS  
Skip/OVP  
V
CC  
• Short−Circuit Protection Independent from Auxiliary Level  
• External Latch Input Pin for an OTP Signal  
• Go−To−Standby Signal for the PFC Front Stage  
• True Frequency (t + t ) Clamp Circuit  
FB  
CS  
DRV  
GND  
8
ON  
OFF  
• Low and Noiseless, No−Load Standby Power  
• Internal Leading Edge Blanking  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 25 of this data sheet.  
• +500 mA / −800 mA Peak Current Drive Capability  
• 5 V / 10 mA Reference Voltage  
• This is a Pb−Free Device  
Typical Applications  
• High Power AC/DC Adapters for Notebooks, etc  
• Offline Battery Chargers  
• Set−Top Boxes Power Supplies, TV, Monitors, etc  
©
Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
July, 2006 − Rev. 3  
NCP1381/D  
1234567...26

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