SSC SS6641

SS6641
FEATURES
DESCRIPTION
!" !" !"
!" #$
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1 6342 ("5(" 2 4
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) 789:9::9;
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APPLICATIONS
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The SS6641 & 789 :9 ::9 ; 2
&)1*#,
control circuit operates at 100kHz max. switching
9 ) .9 - 6342 ("5(")
TYPICAL APPLICATION CIRCUIT
µ
µ!
µ
≥
≥
µ
µ
6
µ
6
"
+ =
× Rev.2.01 6/26/2003
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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 %&
#$%6
'(
$B SS6641-27COTR
)* # 789,'*D*-
C1CA*-1
#$%6
ABSOLUATE MAXIMUM RATINGS
='1*>FFFFFFFFFFFFFFFFFFFFFFFFF27
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF27
#/*
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF27
E1* FFFFFFFFFFFFFFFFFFFFFFF:G:
E1*" FFFFFFFFFFFFFFFFFFFFFFFFFFFFH;
'1A FFFFFFFFFFFFFFFFFF4°"D;°"
1A FFFFFFFFFFFFFFFFFFF3;°"2;°"
1=
2> FFFFFFFFFFFFFFFFFFF73°"
TEST CIRCUIT
6
Rev.2.01 6/26/2003
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SS6641
ELECTRICAL
$"
*+
CHARACTERISTICS !
°% &"'()% "#$°
,&-.
/0.
,1.
73::
78
7838
77;
:
:8;
:72D
::
::D7
4D8;
;
;27;
D
634278I2D
'
6342:I2D
6342::I7
6342;I:
-& 0
?'
0I29B→7
D
0I29B7→
! 3
?
0"
0I
0
2D
µ
4;
634278
"2
6342:
;
6342::
3
6342;
D
0
µ
E1
9I$;
,0"
"='1*>
634278
"7
8
6342:
8
6342::
8
6342;
8
0
µ
E1
9IG;
,0"
"='1*>
#/A
634278
272
274
278
:
6342:
E1JK'A 6342::
7
2D;
A!
Ω
2:
6342;
IL4
634278
6342:
E1JK'A 6342::
22
D
A 6342;
8
Ω
3
I4
Rev.2.01 6/26/2003
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SS6641
ELECTRICAL CHARACTERISTICS
$"
I$;
'("
, )E1 (1@
3;
8;
D;
M
D
2;
2:
<.
634278
27
6342:
2:
6342::
24
I$;
,$'#6
"&*0
, )E1
6342;
#
72
I$;
B→7;
N
E1
634278
"&*0
22
6342:
27
6342::
2:
6342;
7
I$;
B7;→
N
E1
"*0"
09
I$;
;
µ
η
D
M
Rev.2.01 6/26/2003
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4 of 13
SS6641
TYPICAL PERFORMANCE CHARACTERISTICS
$"
0
=2>B::µ=*1>
"="2>B48µ#=11>
(
=(2>B2?;D2-1
1=!2>B7(2D:
+,-+,
+%%.,)/*
6µ
+,-+,
+%%.,)/*
6 !!"µ
0
0
01 0
0 0
+,-+,
+%%.,)/*
6µ
Rev.2.01 6/26/2003
+,-+,
+%%.,)/*
6# !!"µ
6#µ
0
01
0
0
+,-+,
+%%.,)/*
6 !!"µ
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SS6641
TYPICAL PERFORMANCE CHARACTERISTICS!+
$"
6
6! "# $ %
6 !
µ
Rev.2.01 6/26/2003
6"#$%
$ 6%# !!"µ
" 6#$ !
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6 of 13
SS6641
TYPICAL PERFORMANCE CHARACTERISTICS!+
$"
+,-+,$4,53.)*
./-.%5,+%.)°
*
23 6+,-+,$4,53.67./-.%5,+%.
(
°
) 6*+(,,-''.
0
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0
01
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°
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!!
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Rev.2.01 6/26/2003
6%&'(
Ω
Ω
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µ
$
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01
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7 of 13
SS6641
BLOCK DIAGRAM
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PIN DESCRIPTIONS
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)$
Rev.2.01 6/26/2003
?( 1,& O
#/
'
%&*'1
))& 6
B
A7 =
−2
A2
274
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8 of 13
SS6641
APPLICATION INFORMATION
45-56756&0 &-
6342 *#, = 6 >
0" &
) =D > & $ 6 9 9
(
9 *#, "
.
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& 9 )9 ) 9 )
2
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2
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& 8;µ
7;µ1,'#1 9 1,'#1
9 9 1 &9 1&9
)
&
,
9 9 6
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SS6641
2
( + − )
P
1 = + − >
$
− P R2 + P =
>Q 7 + − 2  + − 
P
≅

1  + − 
=
I &- 6575 &-
1 9
6
#9
& 6
) & $ 6342 $
,
&
& 9=0'/>
&
$
) '? 9 ) (" $) / ) .

 2 0I 
P 1 (2 − $ ) P P
 +  7 E = =A + A> ∗
) & &
0 9 1
'? 9 - AI 9AI0
("
1I '?
0 9 6=# >
7=> P = + − > P =0>
× 1
, ,$ )9 &
&
9
#(I
'? 9 =2 + $ > 0 9 6
&
A + A
  

0 = 
P 1>  P 2 − $= −
A
A
+

 

$
 

≅
 P(1)P 2 −  7
 

≅
P 1 =6>9 E = =A + A> ∗
Rev.2.01 6/26/2003
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1
10 of 13
SS6641
2
× 0 7
 + − $ 
0I 
−  P 0 + − 7

* 6
$
 − 


 P1 2 −  7
7




&6
*
2
>
= = + − > P =0> P =
=0)>
0
)
0I
+ ) 0'/9 *#, $
 − 


P 1 2 −  7
7




0
- &
)
 + − $ 
−  P 0 − 
− 7

1&20
6
&
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µ9+
6
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Ω+
!+
3:
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2?424D&
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11 of 13
SS6641
,0-5- 0=56&&0 &-
1 ' 9 *(
& 7
:
7  1 
 + − 
P
P (A) P
 P(* )
:  


$6
*( =
=
1  1 
 + 
P
 P(A)P 
 P(* ) 

 
 
*(
= 
P (* )  
*IP0OAI0
("AO
I(
PHYSICAL DIMENSIONS
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Rev.2.01 6/26/2003
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4
278
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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.
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