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NCP1378DR2G

更新时间： 2024-11-08 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
16页 285K
描述
PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation

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中文翻译

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NCP1378DR2G 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：SOP, SOP8,.25
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.2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-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：3
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：100 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

NCP1378DR2G 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
G
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.  
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.  
PDIP−7  
P SUFFIX  
CASE 626B  
1378P  
AWL  
YYWWG  
8
1
1
A
L, WL  
Y, YY  
= Assembly Location  
= Wafer Lot  
= Year  
The NCP1378 is tailored for low voltage applications having  
UVLO thresholds of 8.4 V (on) and 7.5 V (off).  
W, WW = Work Week  
G or G  
= Pb−Free Package  
Features  
• Free−Running Borderline/Critical Mode Quasi−Resonant Operation  
• Latched Overvoltage Protection  
PIN CONNECTIONS  
• Auto−Recovery Short−Circuit Protection Via UVLO Crossover  
• Current−Mode with Adjustable Skip Cycle Capability  
• Internal 1.0 ms Soft−Start  
Dmg  
FB  
HV  
1
2
3
4
8
CS  
V
CC  
6
5
• 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  
• Internal 8.0 ms Minimum T  
†
OFF  
Device  
Package  
Shipping  
• Pb−Free Packages are Available*  
NCP1378DR2  
SOIC−8  
2500 Tape & Reel  
2500 Tape & Reel  
NCP1378DR2G  
SOIC−8  
(Pb−Free)  
Typical Applications  
• Battery−Based Operations  
NCP1378P  
PDIP−7  
50 Units/Rail  
50 Units/Rail  
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, 2006  
1
Publication Order Number:  
October, 2006 − Rev. 4  
NCP1378/D  
1234567...16

中文翻译

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NCP1378DR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1378DR2 ONSEMI

完全替代

 PWM Current-Mode Controller for Free-Running Quasi-Resonant Operation
NCP1377DR2G ONSEMI

类似代替

 PWM Current-Mode Controller for Free-Running Quasi-Resonant Operation
NCP1377DR2 ONSEMI

功能相似

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

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