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935341645118 PDF预览

935341645118

更新时间: 2024-11-21 21:06:39
品牌 Logo 应用领域
恩智浦 - NXP 开关
页数 文件大小 规格书
29页 262K
描述
Switching Controller

935341645118 技术参数

生命周期:Active包装说明:,
Reach Compliance Code:unknown风险等级:5.73
模拟集成电路 - 其他类型:SWITCHING CONTROLLERBase Number Matches:1

935341645118 数据手册

 浏览型号935341645118的Datasheet PDF文件第2页浏览型号935341645118的Datasheet PDF文件第3页浏览型号935341645118的Datasheet PDF文件第4页浏览型号935341645118的Datasheet PDF文件第5页浏览型号935341645118的Datasheet PDF文件第6页浏览型号935341645118的Datasheet PDF文件第7页 
TEA18362LT  
GreenChip SMPS control IC  
Rev. 2 — 12 December 2013  
Product data sheet  
1. General description  
The TEA18362LT is a controller IC for low-cost Switched Mode Power Supplies (SMPS).  
It is intended for flyback topologies. The built-in green functions provide high efficiency at  
all power levels.  
At high power levels the flyback operates in Quasi-Resonant (QR) mode. At lower power  
levels, the controller switches to Frequency Reduction (FR) or Discontinuous Conduction  
Mode (DCM) and limits the peak current to approximately 25 % of the maximum peak  
current. Valley switching is used in all operating modes.  
At low power levels, when the flyback switching frequency drops below 25 kHz, the  
flyback converter switches to burst mode. A special burst mode has been integrated  
which reduces the opto current to a minimum level, ensuring high efficiency at low power  
and excellent no load power performance. As the switching frequency in this mode has a  
minimum value of 25 kHz while the burst frequency is below 800 Hz, the frequencies are  
outside the audible range. During the non-switching phase of the burst mode, the internal  
IC supply current is minimized for further efficiency optimization.  
The TEA18362LT includes an accurate OverPower Protection (OPP). The OPP enables  
the controller to operate in overpower situations for a limited amount of time. If the output  
is shorted, the system switches to low-power mode where the output power is limited to a  
lower level.  
The TEA18362LT is manufactured in a high-voltage Silicon-On-Insulator (SOI) process.  
The SOI process combines the advantages of a low-voltage process (accuracy,  
high-speed protection, functions, and control), while maintaining the high-voltage  
capabilities (high-voltage start-up, low standby power, and an integrated X-capacitor  
discharge function).  
The TEA18362LT enables low-cost, highly efficient and reliable supplies for power  
requirements up to 75 W to be designed with a minimum number of external components.  
All values mentioned in this data sheet are typical values, unless otherwise specified.  

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