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TD1484 PDF预览

TD1484

更新时间: 2024-11-11 11:46:35
品牌 Logo 应用领域
其他 - ETC 显示器调制解调器电视电信电脑全球定位系统驱动DVD便携式
页数 文件大小 规格书
14页 958K
描述
适用于便携式DVD、机顶盒、平板电脑、笔记本电脑、LCD显示驱动板.液晶显示器、液晶电视、数码相框.电信ADSL Modem.车载DVD/VCD/CD.GPS安防等。

TD1484 数据手册

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DATASHEET  
Techcode®  
3A 23V Synchronous Rectified  
Step-Down Converter  
汪工 TEL:13828719410 QQ1929794238  
General Description Features  
TD1484  
3A Output Current  
The TD1484 is a monolithic synchronous buck  
regulator. The device integrates two 90m  
MOSFETs, and provides 3A of continuous load current  
over a wide input voltage of 4.75V to 23V. Current  
mode control provides fast transient response  
and cycle-by-cycle current limit.  
Wide 4.75V to 23V Operating Input Range  
Integrated 90mPower MOSFET Switches  
Output Adjustable from 0.923V to 20V  
Up to 93% Efficiency  
Programmable Soft-Start  
An adjustable soft-start prevents inrush current at  
turn-on, and in shutdown mode the supply current  
drops to 1µA.  
Stable with Low ESR Ceramic Output Capacitors  
Fixed 340KHz Frequency  
Cycle-by-Cycle Over Current Protection  
Input Under Voltage Lockout  
This device, availablein an SOP8-PP package,  
provides a very compact solution with minimal external  
components.  
Applications  
Distributed Power Systems  
Networking Systems  
FPGA, DSP, ASIC Power Supplies  
Green Electronics/ Appliances  
Notebook Computers  
Package Types  
Figure 1. Package Types of TD1484  
www.tongchuangwei.com  
October, 20, 2010.  
Techcode Semiconductor Limited  
1

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