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TEA1752T/1791/DB/9 PDF预览

TEA1752T/1791/DB/9

更新时间: 2024-11-15 19:59:27
品牌 Logo 应用领域
恩智浦 - NXP 功率因数校正光电二极管
页数 文件大小 规格书
33页 318K
描述
SMPS combo IC for dual boost PFC and flyback control, safe restart protection, SOT109-1 Package, No Marking, Boards

TEA1752T/1791/DB/9 技术参数

Source Url Status Check Date:2013-10-15 00:00:00是否Rohs认证: 符合
生命周期:Active包装说明:SOP, SOP16,.25
Reach Compliance Code:compliant风险等级:5.77
控制模式:CURRENT-MODEJESD-30 代码:R-PDSO-G16
端子数量:16封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.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:150 kHz
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

TEA1752T/1791/DB/9 数据手册

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TEA1752T  
HV start-up DCM/QR flyback controller with integrated  
DCM/QR PFC controller  
Rev. 2 — 16 November 2012  
Product data sheet  
1. General description  
The TEA1752T is the third generation of green Switched Mode Power Supply (SMPS)  
controller ICs. The TEA1752T combines a controller for Power Factor Correction (PFC)  
and a flyback controller. Its high level of integration allows the design of a cost-effective  
power supply with a very low number of external components.  
The special built-in green functions provide high efficiency at all power levels. This  
efficiency applies to quasi-resonant operation at high-power levels, quasi-resonant  
operation with valley skipping, as well as reduced frequency operation at lower power  
levels. At low-power levels, the PFC switches off to maintain high efficiency.  
During low-power conditions, the flyback controller switches to frequency reduction mode  
and limits the peak current to an adjustable minimum value. This mode ensures high  
efficiency at low-power and good standby power performance while minimizing audible  
noise from the transformer.  
The TEA1752T is a Multi-Chip Module, (MCM), containing 2 chips. The proprietary  
high-voltage BCD800 process which makes direct start-up possible from the rectified  
universal mains voltage in an effective and green way. The second low voltage  
Silicon On Insulator (SOI) is used for accurate, high speed protection functions and  
control.  
The TEA1752T enables the design of highly efficient and reliable supplies with power  
requirements of up to 250 W with a minimum number of external components.  
Remark: All values provided throughout the running text, are typical values unless  
otherwise stated.  
 

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