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SS6641


DESCRIPTION
1 6342 ("5(" 2 4 & ' $ 6
)$
) 789:9::9; *#6,
& .

)1

*,
The SS6641 & 789 :9 ::9 ; 2


&)1*#, control circuit operates at 100kHz max. switching 9 ) .9 - 6342
("5(")
FEATURES
!" !" !" !" #$
%&' !" "
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APPLICATIONS
* !" " !" +, !" *-'. !" //- !" *&0
!"
TYPICAL APPLICATION CIRCUIT


!







6
6 " + = x




Rev.2.01 6/26/2003
www.SiliconStandard.com
1 of 13
SS6641
ORDERING INFORMATION
SS6641-XXCXXX *"<0?1@* 1AB1*CA 1/B1 / *"<1@* 'B ,'*D B ,' 10? ' 1* 1'1 78B 78 :B : ::B :: ;B ; B
%& $B SS6641-27COTR # 789,'*D*- C1CA*-1

&' '(

) * # $%6 '(

) * # $%6







ABSOLUATE MAXIMUM RATINGS
=' 1*>FFFFFFFFFFFFFFFFFFFFFFFFF27 "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF27 #/* FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF27 E1* FFFFFFFFFFFFFFFFFFFFFFF :G: E1*" FFFFFFFFFFFFFFFFFFFFFFFFFFFFH; '1A FFFFFFFFFFFFFFFFFF 4"D;" 1A FFFFFFFFFFFFFFFFFFF 3;"2;"
1=
2> FFFFFFFFFFFFFFFFFFF73"
TEST CIRCUIT
6


Rev.2.01 6/26/2003
www.SiliconStandard.com
2 of 13
SS6641
ELECTRICAL $"
*+
CHARACTERISTICS !

6342 78I2D 6342 :I2D 6342 ::I7 6342 ;I: ?' 0I29B7 0I29B7 0I 6342 78 6342 : 6342 ::
"#$% &"'()%
,&-. 73:: 77; :72D 4D8; ! 0 /0. 78 : :: ; D 2D 4; ; 3 0 D ,1. 7838 :8; ::D7 ;27; D 3
-&
'
0
?
0"
"2
6342 ; E1
9I$; ,0" "=' 1*> 6342 78 6342 : 6342 ::
8 8 8
"7
6342 ; E1
9IG; ,0" "=' 1*>
0
8
#/A
6342 78 6342 :

272
274 : 7 2D; 2: 22 D 8 3
278
E1JK' A 6342 :: 6342 ; IL4 6342 78 6342 : E1JK' A 6342 :: 6342 ; I4
A!
A

Rev.2.01 6/26/2003
www.SiliconStandard.com
3 of 13
SS6641
ELECTRICAL CHARACTERISTICS $"
'("

I$;

3;

8; D; M
, )E1 ( 1@ I$; , )E1 6342 78 6342 : 6342 :: #
,$'#6
D 27 2: 24
2;
2:
<.
"&*0
6342 ; I$;
B7; N
E1 6342 78 6342 : 6342 ::
72
22 27 2:
"&*0
6342 ; I$;
B7; N
E1

7
"*0"
0 9
I$;


D
;
M

Rev.2.01 6/26/2003
www.SiliconStandard.com
4 of 13
SS6641
TYPICAL PERFORMANCE CHARACTERISTICS $"
0
=2>B::=*1> (
=(2>B2?;D2-1 "="2>B48#=11> 1=!2>B7(2D:





0 0 01 0 0





+,-+,
+%%.,)/*

6
+,-+,
+%%.,)/*
6 !!"

0


01 0 0 0



+,-+,
+%%.,)/*




6 #



6 # !!"
+,-+,
+%%.,)/*






6

6 !!"
+,-+,
+%%.,)/*
5 of 13
Rev.2.01 6/26/2003
www.SiliconStandard.com
SS6641
TYPICAL PERFORMANCE CHARACTERISTICS!+ $"


















6

$ 6 %# !!"












6 ! "# $ %




6 "#$%

















6 !
" 6#$ !
Rev.2.01 6/26/2003
www.SiliconStandard.com
6 of 13
SS6641
TYPICAL PERFORMANCE CHARACTERISTICS!+ $"



+,-+,$4,53.)*

01 0 0 0

./-.%5,+%.)
* 23 6+,-+,$4,53.67./-.%5,+%.
./-.%5,+%.)
* 23 682,9:23 %.;+.9<67
./-.%5,+%.


!" #$ ## $


! #$! ! ! ! $! ! ")!



6

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0 0 0 01



!")! !$! !! !#$!

(



Rev.2.01 6/26/2003
) 6*+(,,-''.
'+,-- $ S6 &'(()**!


www.SiliconStandard.com
7 of 13
SS6641
BLOCK DIAGRAM
*) $%& *+), )
( '

)0&
!"#
$*
./
!623'+
*) $%& *+), )
( "*

)0&
!"#
$*
./
!
623'+
PIN DESCRIPTIONS
?"
?"
' 1 0"" " "&=)> E1 *
)$
?(
1,&
O
#/ '
%&*' 1 ))& 6 B A7 = -2 A2 274
Rev.2.01 6/26/2003
www.SiliconStandard.com
8 of 13
SS6641
APPLICATION INFORMATION
45-567 56&0 &- 6342 *#, = 6
> 0" & ) =D > & $ 6 9 9
)
) )
&
9
)9 ) 9
)

) 6342
$.&
. & ,' #1
*#,

)&
6 6

9)9
)9
2<. + )
9 & 2-. ,'#1
& 8;
7;1,'#1
9
1,'#1



9

9



1
&9
1&9
)
&

9

9 6 1 $

6
Rev.2.01 6/26/2003
)0& 2 2 1 2 2


(
9 *#,


"



.
2



,
www.SiliconStandard.com
9 of 13
SS6641
=
2 ( + - ) P 1 = + - > $ - P R2 + P = >Q 7 + - 2 + - P 1 + -
I

&- 6575 &-

1 9
6 #9
&
6

)
'?
9
& $ 6342

$

$ )
'? 9
) (" $)
/ )
. ,
,$ )9 )
& &
&
&
0

9
'? 9 -

&
A + A 0 = P 1 > P 2 - $= - A + A $ P(1 )P 2 - 7 P 1 1
, &
&

9=0'/>
& 2 0I P 1 (2 - $ ) P P + 7
9 E = =A + A> 1
AI 9AI0
(" 1I '? 0

9 6=# > #(I 7=> P = + - > P =0 > x 1 =2 + $ >
0
9 6
=6>9 E = =A + A>
Rev.2.01 6/26/2003
www.SiliconStandard.com
10 of 13
SS6641
2 x 0 7 * 6

&6 * 2 > = = + - > P =0 > P = 0
) +
) 0'/9 *#,
0
- &
)
1&20
0& 8 ), 8 $3 9, 80,$3 9, 80,:$ 90&- 8(<'( 0& 6575 &-
'
.9 $) )&A
1 A
(" (" ) - & 1 )
& $) ' "'?)$ A .0
9 ,
& & O ) & 5575 &-
9
9
-

/ &
-
2?;D2 , - ,/A;: # 2?424D&

) &
& 27; $) & !9+ 3: '(( 3: '(( ;; ;; 6 !+ (.#$ (.$( (.#$ (.$( (.'' 3() 6 !+ (.: (.$ (.: (.$ '.# # 9 !))+ 3.$ 3.$ $.( '(.( + - $ 0I - P 0 + - 7 $ - P1 2 - 7 7
=0)> 0I + - $ - P 0 - - 7 $ - P 1 2 - 7 7
Rev.2.01 6/26/2003
www.SiliconStandard.com
11 of 13
SS6641
,0-5- 0=56 &&0 &- '

9

& 7 : 1 + P P(A)P P(* ) $6 *( = 1
*( 1
*(
= P (* ) = 7 1 + - P P (A ) P P(* ) :
*IP0OAI0
("AO I(
PHYSICAL DIMENSIONS
!"

@,/'

,0? 83 7D 2: 7 7 3; 4D 4
,E 8 7 :D 7: :2 :2 ; 33
2 / " (




!"

@,/'

,0? 2:; 2 :: 2 4D :D ;D 4
,E 28; 7; ;2 7; ; 4 37 278
2 / " (



278=1@*>
Rev.2.01 6/26/2003
www.SiliconStandard.com
12 of 13
SS6641
Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of Silicon Standard Corporation or any third parties.
Rev.2.01 6/26/2003
www.SiliconStandard.com
13 of 13


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