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TEA1733MT/N2,118 PDF预览

TEA1733MT/N2,118

更新时间： 2024-11-11 19:57:19
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 173K
描述
IC IC,SMPS CONTROLLER,CURRENT-MODE,SOP,8PIN,PLASTIC, Switching Regulator or Controller

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TEA1733MT/N2,118 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：SOP, SOP8,.25
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.81控制模式：CURRENT-MODE
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
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峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：YES最大切换频率：97.5 kHz
端子面层：MATTE TIN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：NOT SPECIFIEDBase Number Matches：1

TEA1733MT/N2,118 数据手册

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TEA1733MT  
GreenChip SMPS control IC  
Rev. 1 — 4 February 2011  
Preliminary data sheet  
1. General description  
The TEA1733MT is a low cost Switched Mode Power Supply (SMPS) controller IC  
intended for flyback topologies. It operates in fixed frequency mode. Frequency jitter has  
been implemented to reduce ElectroMagnetic Interference (EMI). Slope compensation is  
integrated for Continuous Conduction Mode (CCM) operation.  
The TEA1733MT IC 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 TEA1733MT 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 μA)  
„ Low supply current during normal operation (typically 0.55 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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