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TD6810 PDF预览

TD6810

更新时间: 2024-11-26 11:46:35
品牌 Logo 应用领域
其他 - ETC 稳压器
页数 文件大小 规格书
17页 741K
描述
1.5MHz 800mA Synchronous Step-Down Regulator Dropout

TD6810 数据手册

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DATASHEET  
Techcode®  
1.5MHz 800mA Synchronous Step-Down Regulator  
Dropout  
TD6810  
汪工 TEL:13828719410 QQ:1929794238  
General Description Features  
The TD6810 is a high efficiency monolithic synchronous  
buck regulator using a constant frequency, current mode  
architecture. The device is available in an adjustable  
version and fixed output voltages of 1.5V and 1.8V.  
Supply current during operation is only 20mA and drops  
to 1mA in shutdown. The 2.5V to 5.5V input voltage  
range makes the TD6810 ideally suited for single Li-Ion  
battery-powered applications. 100% duty cycle provides  
low dropout operation, extending battery life in portable  
systems.Automatic Burst Mode operation increases  
efficiency at light loads, further extending battery life.  
Switching frequency is internally set at 1.5MHz, allowing  
the use of small surface mount inductors and capacitors.  
The internal synchronous switch increases efficiency and  
eliminates the need for an external Schottky diode. Low  
output voltages are easily supported with the 0.6V  
feedback reference voltage. The TD6810 is available in a  
low profile (1mm) TSOT23-5 package.  
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High Efficiency: Up to 96%  
High Efficiency at light loads  
Very Low Quiescent Current: Only 20uA During  
Operation  
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800mA Output Current  
2.5V to 5.5V Input Voltage Range  
1.5MHz Constant Frequency Operation  
No Schottky Diode Required  
Low Dropout Operation: 100% Duty Cycle  
0.6V Reference Allows Low Output Voltages  
Shutdown Mode Draws 1uA Supply Current  
Current Mode Operation for Excellent Line and Load  
Transient Response  
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Overtemperature Protected  
Low Profile (1mm) TSOT23-5 Package  
Applications  
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Cellular Telephones  
Personal Information Appliances  
Wireless and DSL Modems  
Digital Still Cameras  
MP3 Players  
Portable Instruments  
Package Types  
SOT23­5  
www.tongchuangwei.com  
July, 02, 2011  
Techcode Semiconductor Limited  
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