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	 > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > 基于dsPIC33FJ設(shè)計(jì)的PSFB磚形DC-DC轉(zhuǎn)換器技術(shù)
          
    
          

          

          


	
	
	

          
	
          
		
          
			
          基于dsPIC33FJ設(shè)計(jì)的PSFB磚形DC-DC轉(zhuǎn)換器技術(shù)
          
						
          
				作者：
				時(shí)間：2011-05-08
				來(lái)源：網(wǎng)絡(luò)
				
				
				
				
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			echniques such as Phase Shift Full Bridge (PSFB) topology that lower switching losses and enable efficiencies as high as 94%. The Quarter brick DC/DC Converter Reference Design is royalty free when used in accordance with the licensing agreement. 

          This reference design works with telecom input range 36V – 76V DC and provides 12V with 200W power. Designed with planar magnetics, this reference design implements various non-linear techniques, which improves the performance and efficiency.

          1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)主要特性：

          Primary and Secondary MOSFET control 

          Active Current Share 

          Remote ON/OFF 

          Programmable soft start 

          Controlled Fall time 

          Voltage,Current,Temperature monitoring  Protection 

          Configurable output voltage 

          Full Digital Control

          1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)指標(biāo)：

          Industry standard Quarter-brick (36.8 x 58.4 x 11.4 mm) 

          Wide input range 36V -76V 

          Output Voltage: 12V 

          Output Current: 17A 

          Output Power : 200W 

          Efficiency greater than 93% 

          1500 Vdc input to output isolation 


          圖12。1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)外形圖

          圖13。1/4磚形DC/DC轉(zhuǎn)換器的dsPIC? DSC資源圖

          圖14。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（1）

          圖15。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（2）

          圖16。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（3）

          圖17。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（4）

          圖18?；咫娐穲D
                     
				
            
                
			
								
          電磁爐相關(guān)文章:電磁爐原理

          

          
							
          
                
			            
          
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