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TEA18362T/2J

更新时间： 2024-11-12 05:46:43
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
TEA18362T - GreenChip SMPS control IC SOIC 8-Pin

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中文翻译

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TEA18362T/2J 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：SOIC包装说明：,
针数：8Reach Compliance Code：compliant
风险等级：5.75模拟集成电路 - 其他类型：SWITCHING CONTROLLER
湿度敏感等级：1Base Number Matches：1

TEA18362T/2J 数据手册

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TEA18362T  
GreenChip SMPS control IC  
Rev. 2 — 12 December 2013  
Product data sheet  
1. General description  
The TEA18362T 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 TEA18362T 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 TEA18362T 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 TEA18362T 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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