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TEA1733CT/N1,118 PDF预览

TEA1733CT/N1,118

更新时间： 2024-11-11 21:14:07
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管
页数 文件大小 规格书
20页 389K
描述
Low voltage start-up flyback controller suitable for fixed frequency/CCM SOIC 8-Pin

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TEA1733CT/N1,118 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC针数：8
Reach Compliance Code：unknown风险等级：5.33
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-G8
湿度敏感等级：1端子数量：8
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认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：71 kHz端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
Base Number Matches：1

TEA1733CT/N1,118 数据手册

 浏览型号TEA1733CT/N1,118的Datasheet PDF文件第2页浏览型号TEA1733CT/N1,118的Datasheet PDF文件第3页浏览型号TEA1733CT/N1,118的Datasheet PDF文件第4页浏览型号TEA1733CT/N1,118的Datasheet PDF文件第5页浏览型号TEA1733CT/N1,118的Datasheet PDF文件第6页浏览型号TEA1733CT/N1,118的Datasheet PDF文件第7页 
TEA1733CT  
GreenChip SMPS control IC  
Rev. 2 — 16 July 2013  
Product data sheet  
1. General description  
The TEA1733CT is a low cost Switched Mode Power Supply (SMPS) controller IC  
intended for flyback topologies. It operates in fixed frequency mode. To reduce  
ElectroMagnetic Interference (EMI), frequency jitter has been implemented. Slope  
compensation is integrated for Continuous Conduction Mode (CCM) operation.  
The TEA1733CT includes OverPower Protection (OPP). This enables the controller to  
operate under overpower situations for a limited amount of time.  
Two pins, VINSENSE and PROTECT, are reserved for protection purposes. Input  
UnderVoltage Protection (UVP) and OverVoltage Protection (OVP), output OVP and  
OverTemperature Protection (OTP) can be implemented using a minimal number of  
external components.  
At low power levels the primary peak current is set to 25 % of the maximum peak current  
and the switching frequency is reduced to limit switching losses. The combination of fixed  
frequency operation at high output power and frequency reduction at low output power  
provides high-efficiency over the total load range.  
The TEA1733CT enables low cost, highly efficient and reliable supplies for power  
requirements up to 75 W to be designed easily and with a minimum number of external  
components.  
2. Features and benefits  
2.1 Features  
SMPS controller IC enabling low-cost applications  
Large input voltage range (12 V to 30 V)  
Very low supply current during start-up and restart (typically 10 A)  
Low supply current during normal operation (typically 0.5 mA without load)  
Overpower or high/low line compensation  
Adjustable overpower time-out  
Adjustable overpower restart timer  
Fixed switching frequency with frequency jitter to reduce EMI  
Frequency reduction with fixed minimum peak current to maintain high-efficiency at  
low output power levels  
Slope compensation for CCM operation  
Low and adjustable OverCurrent Protection (OCP) trip level  
 
 
 
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