E48SR15004NR A - Delta Electronics, Inc.

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





!"  

!" 

       !

!" "#$#%$&&"'%"

!" ($)*"%*"#$#%$'&)" 

!" +$%,)&'%#"&-

!" (')"./010)"')"0231031043

!" 5#**)6#"&

!" 7&)6&#$%,)%$

!" (')"8&6"#%#

!" (014/1(0%"$

#)#")%#6"

!" ././9.:2##$#!;&$1

#$4.79!2%"$

!" 2#%<"*=2#$92

$%"8*



!" 46&>#"#&

!" ?%6**7"@&%<*

!" 0'"#67"@&%<,)'"

!" %8%#$>#"#"&%#

!" ($)*"%#64*",)'"

 

!" 3&*"8&&6&

!" 7#"8"%

!" &%"'6"*

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 

 !"#$%&'($)*+"

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

           !" 

!# $%& #

   '' !  !  ()*    +,& 

-!.#&/#

  0        

        !  1 #

-##&* 

#    -     

  &       #

2 !-&

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

 !"##$%&'&#((&))*)&$+,

   

   

    

     

     

     

  !  " #

$   " #

%     

    

 &'  

( )*     

 ++ && &! & 

 ++  & & && 

)*,- .  . 

/ )*     

 ++    

 ++  0  ! 

12 3)4&'   .5& 6

7 )   !  6

/   ! 6

+     6

  8 8+9,4,:1,:  6

; ,:  <=  <

    

$8 >!54>.24># !.0 . . 

     

/) >442 ?& ? 

/) >&'  ?& ? 

/ > !## ? 

 /4 !.0  . 

7 ,:1,:@A+    

8*  8* )4949  ' 0 

1$ )4949  & 

     6

= ) 3)A   3

    

 !549B94.6%9    

8/$+ 3.23.2    

7/$+ 3.23.2  

$A+3     

      

$ (4%     

$ (4    

12 C3/+    9

     

3)   0. 3

'3)   0  3

     

     

 

     

     MΩ

    

     

$A+D-   & *,:

7%47/%     

))A1 %%>.6   . 

),+1 %%>.96   5 

7%48/%     

))A1 %%>.6   . 

),+1 %%>.96  5 

7%@+% %%>.    6

)*@+% ),+4%>    6

 680B48  2A 3 3 3

$ 8  2A    3

/ 8 /C3 ' 

     

1< >5342C&)1E <= 1+

F+   0.'  

/ $+A   #









Efficiency vs. load current for minimum, nominal, and

maximum input voltage at 25°C

   Power dissipation vs. load current for minimum,

nominal, andmaximum input voltage at 25°C.



  Typical full load input characteristics at room

temperature







 !!"#



 Turn-on transient at full rated load current (resistive

load) (2ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom

Trace: ON/OFF input, 5V/div





   Turn-on transient at zero load current (2 ms/div).

Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input,

5V/div



$ !!"#



 Turn-on transient at full rated load current (resistive

load) (2ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom

Trace: ON/OFF input, 5V/div

   Turn-on transient at zero load current (2 ms/div).

Vin=48V.Top Trace: Vout, 2V/div, Bottom Trace: ON/OFF input,

5V/div

















  Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap:

10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:

Vout (100mV/div, 200us/div), Bottom Trace: I out (5A/div).

Scope measurement should be made using a BNC cable

(length shorter than 20 inches). Position the load between 51

mm to 76 mm (2 inches to 3 inches) from the module..



   Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 2.5A/µs). Load cap:

330µF, 35m

Ω

ESR solid electrolytic capacitor and 1µF ceramic

capacitor. Top Trace: Vout (100mV/div, 200us/div), Bottom

Trace: I out (5A/div). Scope measurement should be made

using a BNC cable (length shorter than 20 inches). Position the

load between 51 mm to 76 mm (2 inches to 3 inches) from the

module.





  Test set-up diagram showing measurement points

for InputTerminal Ripple Current and Input Reflected Ripple

Current.

Note: Measured input reflected-ripple current with a simulated

source Inductance (LTEST) of 12 μH. Capacitor Cs offset

possible battery impedance. Measure current as shown above













Input Terminal Ripple Current, ic, at full rated output

currentand nominal input voltage with 12µH source impedance

and 33µF electrolytic capacitor (500 mA/div, 2us/div).



   Input reflected ripple current, is, through a 12µH

sourceinductor at nominal input voltage and rated load current

(20 mA/div, 2us/div).



StripCopper

Vo(-)

Vo(+)

10u 1u SCOPE RESISTIVE

LOAD





 Output voltage noise and ripple measurement test

setup





 









 Output voltage ripple at nominal input voltage and

ratedload current (Io=12A)(20 mV/div, 2us/div)

Load capacitance: 1µF ceramic capacitor and 10µF tantalum

capacitor. Bandwidth: 20 MHz. Scope measurements should be

made using a BNC cable (length shorter than 20 inches).

Position the load between 51 mm to 76 mm (2 inches to 3

inches) from the module.



   Output voltage vs. load current showing typical

current limitcurves and converter shutdown points.















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!"  - 

-#-&

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!"         

-&

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!" %   -     

-&

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!" * 3 -#     

#  !     

 - !     

0

 "&

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/     %% 2  +!

.    - 

4-!

       -

&

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 !   14!  +3.

!3&

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 !    # & 

    #  #   

    #  &  #

 2   4-!  ! )*

1     -    

&*!--

1     #  1  

&

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%%$$

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5    #   -

 -#  -  -  # 

  & %2 

 # # !  -#   !

#-

 -# & *2   # 

#    4 

 #! &6

    

" &



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&''#&#

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         

! !! 

  -#& * ! 4    

 & %       

! 78 !    ,9  ,99 76 #

+:9&;<,9980. 

  -#&

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"('$$

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" !     

!## &6

 ! =     5/

#    "  

 & * 1     - 

 =   &  *  



&

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!($$

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!  - !

    2   

4" # #  && >3'9?)9

*@*4((&(@&'9?)9499@'9?)9A(999

%'9?)94,???# !! 

-  ##2 &



  -  ;)    

-!         

  #  2  ! 

44@4(

3&  *

@4(3&



/3! 

 3 +# 14! . 2 & %

0!

 '9      2  ;)   

"    3 2    

! - A















      4

  ! !     

      & % 

1B5 

! #!+ .&



  ! #    !& % 

1 !!

&    !    

&





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      4

  !     

  & %   1 

4     !  ! 

&4-##

!-# 

& 







 4     #

        & % 

  1  4  

 !!& 



  ! #    !& % 

4 1

 !  ! &    !

 !&



 



         - 

&@ 

!&5

          

!& 



    -  -#  1 !

-!       +4.  & 

!-&



6          

       +4.& 6 

          

&

Vo(+)Vi(+)

Vo(-)

Sense(-)

Sense(+)

Vi(-)

ON/OFF



 Remote on/off implementation



!



         

-#

 &   -!     

       1  

A



≤  



    #     

        

C + .&



Vi(-)

Vi(+)

Vo(-)

Vo(+)

Sense(+)

Sense(-)

Resistance

Contact Contact and Distributio

Losses 



  Effective circuit configuration for remote sense

operation



% 

@+D.

+D.@+E.+E. &



    -  -# - 

      F !  1  

 

  -&



/  

 #!

!     !    

& 



  -      1  

 !   1  1   

!&









"#!$%&



       

  # -  !  1

 -!  %=    

@+D.@+4.&%=-

&





  Circuit configuration for trim-down (decrease

output voltage)



%1-!%=

 @ +4.      

 +6& ,.&  1  

2  -     

 GA



()

Ω−

∆

=−  

 



1&/ 4!4,9G+)H9&?I&).



()

Ω=−=−  



 



Circuit configuration for trim-up (increase output

voltage)



%1-!%=

@+D.

+6&,?.&12-

 G

A



()

Ω−

∆

−

∆∆+

=−  





 



1&/ 4D,9G+)H,&,I)&).



()

Ω=−−

×+××

=−  







 



--#- 

     !  1  

  

 -&



/     

 #!

!     !    

& 



  -      1  

 !        -! 

1  !&











    # 

&    -  

!     

  &

#  &



8    2   0 

      !    !

&



'!



"  !   0 

  !       

     

2 &  #  2   # 

# -!

!  &



 !  !  ! 

0 &  !   

   5/   #  ! 

! &   -!  - 5/

     !   #  

'&J) +9&()"".&











IR FLOW











 











 

  Wind tunnel test setup figure dimensions are in

millimeters and (inches).





8  -   -#  !  

&     

D,,)K&# -#F! 

 !# -  -!  1  

  & %    1 

1    -# #

-&







8

Case temperature measurement location.

Pin locations are for reference only.

The allowed maximum hot spot temperature is defined at 115

 !"#

$ % 

















      





&!

'"

()

()

Output current vs. ambient temperature and air

velocity (Vin=48V)









( 

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





 !"

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



#$%&#'&(%$#

#)#

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#$%&#,#)#+#+#

#$%&#'&(%$#



 )

*+- .))./0%)##, 

*+1 .))./0%)##, 

2(('+%,#3''#,456#%0'(%$.









( 

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#$%&#'&(%$#

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2(('+%,#3''#,456#%0'(%$.



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 

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  

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3A3&*"8

;A= 

7A 

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BAB> 

 A"#$#%$+)"&*

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 !

'()*&+,-. +(-%&+ ,%') ()') **/#!!0-(&

) ;7; 9C=    

) ;7; 9C=    

) ;7; 9C=    

;;7; 9C=    

)

;;7; 9C= 9   

;;7; 9C=    

;;7; 9C=    

)

;;7; 9C=    

>#)6"%&"&&6&*#"8#$'6"*= 

+&%$%"%&"&&6&#$'6"1'6#*%%"&'#%")D%**"#D&8&%&"#"&)%6&#6*#6*&

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9#+8%+7

%:7;;

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%:7

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# ! # &@

-# !#&

# !.

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