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NCP1378PG

更新时间： 2024-09-18 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 155K
描述
PWM Current-Mode Controller for Free-Running Quasi-Resonant Operation

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中文翻译

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NCP1378PG 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.2
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
最小输入电压：8.2 V标称输入电压：11 V
JESD-30 代码：R-PDIP-T7JESD-609代码：e3
长度：9.78 mm功能数量：1
端子数量：7最大输出电流：0.5 A
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP8,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：4.45 mm
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：SINGLE最大切换频率：100 kHz
技术：CMOS端子面层：Tin (Sn)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

NCP1378PG 数据手册

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NCP1378  
PWM Current−Mode  
Controller for Free−Running  
Quasi−Resonant Operation  
The NCP1378 combines a true current mode modulator and  
a demagnetization detector to ensure full borderline/critical  
Conduction Mode in any load/line conditions and minimum drain  
voltage switching (Quasi−Resonant operation). Due to its inherent  
skip cycle capability, the controller enters burst mode as soon as the  
power demand falls below a predetermined level. As this happens at  
low peak current, no audible noise can be heard. An internal 8.0 ms  
timer prevents the free−run frequency to exceed 100 kHz (therefore  
below the 150 kHz CISPR−22 EMI starting limit), while the skip  
adjustment capability lets the user select the frequency at which the  
burst foldback takes place.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
SOIC−8  
D SUFFIX  
CASE 751  
1378  
ALYW  
8
1
1
The transformer core reset detection is done through an auxiliary  
winding which, brought via a dedicated pin, also enables fast Over  
Voltage Protection (OVP). Once an OVP has been detected, the IC  
permanently latches off.  
1378P  
AWL  
YYWW  
PDIP−7  
P SUFFIX  
CASE 626B  
The NCP1378 also features an efficient protective circuitry that, in  
presence of an overcurrent condition, disables the output pulses and  
enters a safe burst mode, trying to restart. Once the default has gone,  
the device auto−recovers. Finally an internal 1.0 ms Soft−Start  
eliminates the traditional startup stress.  
8
1
1
The NCP1378 is tailored for low voltage applications having  
UVLO thresholds of 8.4 V (on) and 7.5 V (off).  
A
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
WW, W = Work Week  
Features  
• Pb−Free Package is Available*  
• Free−Running Borderline/Critical Mode Quasi−Resonant Operation  
• Latched Overvoltage Protection  
• Auto−Recovery Short−Circuit Protection Via UVLO Crossover  
• Current−Mode with Adjustable Skip Cycle Capability  
• Internal 1.0 ms Soft−Start  
PIN CONNECTIONS  
Dmg  
FB  
HV  
1
2
3
4
8
CS  
V
6
5
CC  
• Internal Temperature Shutdown  
• Internal Leading Edge Blanking  
GND  
Drv  
• 500 mA Peak Current Source/Sink Capability  
• External Latch Triggering, e.g. Via Overtemperature Signal  
• Direct Optocoupler Connection  
(Top View)  
ORDERING INFORMATION  
• SPICE Models Available for TRANsient Analysis  
†
Device  
Package  
SOIC−8  
PDIP−7  
Shipping  
• Internal 8.0 ms Minimum T  
OFF  
NCP1378DR2  
NCP1378P  
2500 Tape & Reel  
50 Units/Tube  
50 Units/Tube  
Typical Applications  
• Battery−Based Operations  
NCP1378PG  
PDIP−7  
(Pb−Free)  
†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.  
*For additional information on our Pb−Free strategy and soldering details, please  
downloadthe ON Semiconductor Soldering and Mounting Techniques Reference  
Manual, SOLDERRM/D.  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
October, 2004 − Rev. 1  
NCP1378/D  
1234567...16

中文翻译

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NCP1378PG 替代型号

型号 品牌 替代类型 描述 数据表
NCP1378P ONSEMI

类似代替

 PWM Current-Mode Controller for Free-Running Quasi-Resonant Operation
NCP1377PG ONSEMI

功能相似

 PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation
NCP1377P ONSEMI

功能相似

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

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