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NCP1377BDR2G

更新时间： 2024-11-29 04:37:59
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
16页 303K
描述
PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation

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中文翻译

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NCP1377BDR2G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Not Recommended零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：6.88其他特性：ALSO HAS RESONANT CONTROL TECHNIQUE
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 VJESD-30 代码：R-PDSO-G8
JESD-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：8最高工作温度：125 °C
最低工作温度：-40 °C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：300 kHz
技术：CMOS温度等级：AUTOMOTIVE
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

NCP1377BDR2G 数据手册

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NCP1377, NCP1377B  
PWM Current−Mode  
Controller for Free−Running  
Quasi−Resonant Operation  
The NCP1377 combines a true current mode modulator and a  
demagnetization detector which ensures full borderline/critical  
Conduction Mode in any load/line conditions together with  
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. For  
NCP1377, 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. For  
NC1377B, the internal timer duration is reduced to 3.0 ms to allow  
operation at higher frequencies (up to 300 kHz).  
http://onsemi.com  
MARKING DIAGRAMS  
8
8
8
1377  
ALYW  
G
1377B  
ALYW  
G
1
SOIC−8  
DR SUFFIX  
CASE 751  
1
1
8
1
8
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 1377 features a sampling time of  
4.5 ms whereas it is 1.5 ms for the B version.  
377D1  
ALYW G  
G
1
SOIC−7  
D1 SUFFIX  
CASE 751U  
The NCP1377 also features an efficient protective circuitries  
which, 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.  
1377P  
AWL  
YYWWG  
1377BP  
AWL  
YYWWG  
8
1
1
1
PDIP−7  
Features  
P SUFFIX  
CASE 626B  
• Free−Running Borderline/Critical Mode Quasi−Resonant Operation  
• Latched Overvoltage Protection  
A
= Assembly Location  
L, WL = Wafer Lot  
Y, YY = Year  
• Auto−Recovery Short−Circuit Protection Via UVLO Crossover  
• External Latch Triggering, e.g. Via Overtemperature Signal  
• Current−Mode with Adjustable Skip Cycle Capability  
• Internal 1.0 ms Soft−Start  
• Internal Temperature Shutdown  
• Internal Leading Edge Blanking  
W, WW = Work Week  
G or G = Pb−Free Package  
(Note: Microdot may be in either location)  
PIN CONNECTIONS  
• 500 mA Peak Current Source/Sink Capability  
• Under Voltage Lockout Level of 12.5 V (On) and 7.5 V (Min)  
• Direct Optocoupler Connection  
Dmg  
FB  
HV  
1
2
3
4
8
• SPICE Models Available for TRANsient Analysis  
CS  
V
6
5
CC  
• Internal Minimum T  
OFF  
GND  
Drv  
• Pb−Free Packages are Available  
(Top View)  
Typical Applications  
• AC−DC Adapters for Notebooks, etc.  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 14 of this data sheet.  
• Offline Battery Chargers  
• Consumer Electronics (DVD Players, Set−Top Boxes, TVs, etc.)  
• Auxiliary Power Supplies (USB, Appliances, TVs, etc.)  
©
Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
October, 2006 − Rev. 7  
NCP1377/D  
1234567...16

中文翻译

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NCP1377BDR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1377BDR2 ONSEMI

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

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