SS6640 查看數據表（PDF） - Silicon Standard Corp.

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SS6640

Low Voltage Step-Up DC/DC Converter

Silicon Standard Corp. 

.     9      

6 =# >

#
= 7=> K = +  − > K =.> K =0+ $> 

 K /

.     9      6 



( ) 
= 0  +  − 

/ = +  − 
>

K N0 + $ K =  − 
>M

7  +  − 

≅ 0   +  −  

/   +  − 




   C 

 



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$"%" &
#

/             

 9         6  

#9  &    

  6      

      5  

  'B    9     

 &     $   

 612      $  

    $

5   'B   9    

5      3"     $ 5 

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 5    , 

*  *$  5 9 

5       &  & 

&  &    

.     9     

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SS6640

. ! =    K 0 − $=− @ + @ K />

 @ + @  





≅    K () K 0 − $ 



 7

≅  K /





=   6>9   

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 = 0  K . !

7



(  6    & 

6  

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5 

. ! =   +  − 
− $ K .

  − 

7

+   − 
 K / # 0 − $ 

 7 

 7 

  =.5>

. =   +  − 
− $ K .

  − 

7

−   − 
 K / # 0 − $ 

 7" 

 7 



Rev.2.01 6/26/2003

www.SiliconStandard.com

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