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NCP1340B8D1R2G

更新时间： 2024-09-20 11:01:39
品牌 Logo 应用领域
安森美 - ONSEMI 开关控制器
页数 文件大小 规格书
40页 1120K
描述
准谐振控制器，高电压，谷锁闭开关功能

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中文翻译

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NCP1340B8D1R2G 数据手册

 浏览型号NCP1340B8D1R2G的Datasheet PDF文件第2页浏览型号NCP1340B8D1R2G的Datasheet PDF文件第3页浏览型号NCP1340B8D1R2G的Datasheet PDF文件第4页浏览型号NCP1340B8D1R2G的Datasheet PDF文件第5页浏览型号NCP1340B8D1R2G的Datasheet PDF文件第6页浏览型号NCP1340B8D1R2G的Datasheet PDF文件第7页 
NCP1340  
High-Voltage,  
Quasi-Resonant, Controller  
Featuring Valley Lock-Out  
Switching  
The NCP1340 is a highly integrated quasi−resonant flyback  
controller suitable for designing high−performance off−line power  
converters. With an integrated active X2 capacitor discharge feature,  
the NCP1340 can enable no−load power consumption below 30 mW.  
The NCP1340 features a proprietary valley−lockout circuitry,  
www.onsemi.com  
8
9
1
1
th  
ensuring stable valley switching. This system works down to the 6  
SOIC−8 NB  
D SUFFIX  
CASE 751  
SOIC−9 NB  
D SUFFIX  
CASE 751BP  
valley and transitions to frequency foldback mode to reduce switching  
losses. As the load decreases further, the NCP1340 enters quiet−skip  
mode to manage the power delivery while minimizing acoustic noise.  
To help ensure converter ruggedness, the NCP1340 implements  
several key protective features such as internal brownout detection, a  
non−dissipative Over Power Protection (OPP) for constant maximum  
output power regardless of input voltage, a latched overvoltage and  
NTC−ready overtemperature protection through a dedicated pin, and  
line removal detection to safely discharge the X2 capacitors when the  
ac line is removed.  
MARKING DIAGRAM  
9
1340xz  
ALYW  
G
If transient load capability is desired, the NCP1341 offers the same  
performance and features with the addition of power excursion mode  
(PEM).  
1
1340xz = Specific Device Code  
x
z
= A or B  
Features  
= 1, 2, 3, 4, 5 or 6  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
• Integrated High−Voltage Startup Circuit with Brownout Detection  
• Integrated X2 Capacitor Discharge Capability  
A
L
Y
W
G
• Wide V Range from 9 V to 28 V  
CC  
• 28 V V Overvoltage Protection  
CC  
• Abnormal Overcurrent Fault Protection for Winding Short Circuit or  
Saturation Detection  
PIN CONNECTIONS  
• Internal Temperature Shutdown  
1
HV  
Fault  
• Valley Switching Operation with Valley−Lockout for Noise−Free  
Operation  
VCC  
FB  
ZCD/OPP  
CS  
DRV  
GND  
• Frequency Foldback with 25 kHz Minimum Frequency Clamp for  
Increased Efficiency at Light Loads  
1
• Skip Mode with Quiet−Skip Technology for Highest Performance  
During Light Loads  
Fault  
FMAX  
FB  
HV  
• Minimized Current Consumption for No Load Power Below 30 mW  
• Frequency Jittering for Reduced EMI Signature  
• Latching or Auto−Recovery Timer−Based Overload Protection  
• Adjustable Overpower Protection (OPP)  
VCC  
DRV  
GND  
ZCD/OPP  
CS  
(Top Views)  
• Fixed or Adjustable Maximum Frequency Clamp  
• Fault Pin for Severe Fault Conditions, NTC Compatible for OTP  
• 4 ms Soft−Start Timer  
ORDERING INFORMATION  
See detailed ordering and shipping information n on page 3  
of this data sheet.  
© Semiconductor Components Industries, LLC, 2017  
1
Publication Order Number:  
October, 2017 − Rev. 7  
NCP1340/D  
1234567...40

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