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TEA1532AT PDF预览

TEA1532AT

更新时间： 2024-01-20 14:53:19
品牌 Logo 应用领域
恩智浦 - NXP 开关
页数 文件大小 规格书
27页 143K
描述
IC 2 A SWITCHING CONTROLLER, 75 kHz SWITCHING FREQ-MAX, PDSO8, 3.90 MM, PLASTIC, SO-8, Switching Regulator or Controller

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中文翻译

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TEA1532AT 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：3.90 MM, PLASTIC, SO-8
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.8Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最小输入电压：9.4 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
功能数量：1端子数量：8
最大输出电流：2 A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座面最大高度：1.75 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：SINGLE最大切换频率：75 kHz
技术：BICMOS端子面层：NICKEL PALLADIUM GOLD
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

TEA1532AT 数据手册

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TEA1532  
GreenChip II SMPS control IC  
Rev. 01 — 28 May 2004  
Preliminary data sheet  
1. General description  
The GreenChip™II is the second generation of green Switched Mode Power Supply  
(SMPS) controller ICs. Its high level of integration allows the design of a cost effective  
power supply with a very low number of external components.  
The TEA1532 can also be used in fixed frequency, Continuous Conduction Mode (CCM)  
converter designs for low voltage, high current applications. At low power (standby) levels,  
the system operates in cycle skipping mode which minimizes the switching losses during  
standby.  
The special built-in green functions allow the efficiency to be optimum at all power levels.  
This holds for quasi-resonant operation at high power levels, as well as fixed frequency  
operation with valley switching at medium power levels. At low power (standby) levels, the  
system operates in cycle skipping mode with valley detection.  
The proprietary high voltage BCD800 process makes direct start-up possible from the  
rectified universal mains voltage in an effective and green way. A second low voltage  
BICMOS IC is used for accurate, high speed protection functions and control.  
The TEA1532 enables highly efficient and reliable supplies to be designed easily.  
2. Features  
2.1 Distinctive features  
■ Universal mains supply operation (70 V to 276 V AC)  
■ High level of integration, resulting in a very low external component count  
■ Fixed frequency Continuous Conduction Mode (CCM) operation capability  
■ Quasi-Resonant (QR) Discontinuous Conduction Mode (DCM) operation capability.  
2.2 Green features  
■ Valley or zero voltage switching for minimum switching losses in QR operation  
■ Cycle skipping mode at very low loads; input power <300 mW at no-load operation for  
a typical adapter application  
■ On-chip start-up current source.  
2.3 Protection features  
■ Safe restart mode for system fault conditions  
■ Zero current switch-on in QR mode  
■ Undervoltage protection (foldback during overload)  
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