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| USQ20 Datasheet, PDF (2/22 Pages) Murata Manufacturing Co., Ltd. – High-Density, Quarter-Brick 20 Amp, DC/DC Converters | |||
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1-+Ã-iÃÂiÃ
! 3).',% /54054 $#$# #/.6%24%23
0ERFORMANCE 3PECIlCATIONS AND /RDERING 'UIDE Â
-ODEL
531
$
531
$
531
$
531
$
531
$
531
$
531
$
531
$ Â
531
$ Â
531
$ Â
531
$
531
$
531
$
531
$
531
$
531
$
531
$ Â
6/54 Â
6OLTS
)/54
!MPS
/UTPUT
2 . M6P
P Â
4YP
-AX
2E GULATION -A X
,INE ,OAD Â
6). .OM
6OLTS Â
)NPUT
2ANGE
)). Â
6OLTS Â !MPS
 Â
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 Â
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Co ntact Factor y forÂRe placÂem entM odel
 Â
 Â
 Â
 Â
 Â
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%FlCIENCY
0ACKAGE
#ASE
0INOUT
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
# 0
 4YPICAL AT 4! # UNDER NOMINAL LINE VOLTAGE AND FULL
LOAD CONDITIONS UNLESS OTHERWISE
NOTED !LL MODELS ARE TESTED AND SPECIlED WITH EXTERNAL OUTPUT CAPACITORS Â& CERAMIC IN
PARALLEL WITH Â& TANTALUM
 #ONTACT $!4%, FOR lXED OUTPUT VOLTAGES SUCH AS n6 OR HIGHER OUTPUT CURRENTS
SUCH AS 6 ! OTHER THAN THOSE LISTED
 2IPPLE.OISE 2. IS TESTEDSPECIlED OVER A -(Z BANDWIDTH /UTPUT NOISE MAY BE FURTHER
REDUCED WITH THE INSTALLATION OF ADDITIONAL EXTERNAL OUTPUT lLTERING 3EE )/ &ILTERING )NPUT
2IPPLE #URRENT AND /UTPUT .OISE FOR DETAILS
 4HE LOAD
REGULATION SPECS APPLY OVER THE
RANGE !LL MODELS IN THE 531 3ERIES HAVE
NO MINIMUM
LOAD REQUIREMENTS AND WILL REGULATE WITHIN SPEC UNDER NO
LOAD CONDITIONS WITH
PERHAPS A SLIGHT INCREASE IN RIPPLENOISE !DDITIONALLY 6 6 6 6 AND 6 MODELS
ARE UNCONDITIONALLY STABLE INCLUDING START
UP AND SHORT
CIRCUIT
SHUTDOWN SITUATIONS WITH
CAPACITIVE LOADS UP TO Â& 4HE 6 6 6 AND 6 MODELS ARE UNCONDITIONALLY STABLE
WITH CAPACITIVE LOADS UP TO Â& AT FULL LOAD
 #ONTACT $!4%, FOR 6). RANGES OTHER THAN THOSE LISTED
 4HE TWO LISTED DC CURRENTS ARE FOR THE FOLLOWING CONDITIONS FULL LOADNOMINAL INPUT VOLTAGE AND
FULL LOADLOW LINE VOLTAGE 4HE LATTER IS USUALLY THE WORST
CASE CONDITION FOR INPUT CURRENT
 #ONTACT $!4%, FOR AVAILABILITY AND FURTHER INFORMATION ON THESE MODELS
 4HESE MODELS ARE DISCONTINUED 2EFER TO $!4%,gS 5,1 AND 561 SERIES FOR ALTERNATE MODELS
0! 2 4 . 5 - " % 2 3 4 2 5 # 4 5 2 %
5 31
$ . $
/UTPUT #ONlGURATION
5 5NIPOLAR3INGLE
1UARTER
"RICK 0ACKAGE
.OMINAL /UTPUT 6OLTAGE
6OLTS
-AXIMUM 2ATED /UTPUT
#URRENT IN !MPS
.EGATIVE 4RIM
#ONTACT $!4%,
2EMOTE /N/FF #ONTROL 0OLARITY
!DD 0 FOR POSITIVE POLARITY
PIN OPEN CONVERTER ON
!DD . FOR NEGATIVE POLARITY
PIN OPEN CONVERTER OFF
)NPUT 6OLTAGE 2ANGE
$
6OLTS 6 NOMINAL
$
6OLTS 6 NOMINAL
- % # ( ! . ) # ! , 3 0 % # ) & ) # !4 ) / . 3
-!8
34!.$/&&
0).3
à Ã
0).3
à Ã
! "!2 #/$% !.$
3%2)!, .5-"%2
!00,)%$ 4/
4()3 352&!#%
-/$%, .5-"%2 /.
/00/3)4% 352&!#%
-).
/0%.
&2!-% #!34
!,5-).5- #!3%
/PTIONAL
(EAT 3INK
!
!
#ASE #
$)!
- 4($ 4(25
7)4(
4(2%!$ 2%,)%&
"/44/- 6)%7
$)-%.3)/.3 !2% ). ).#(%3 --
%1 30
 $!4%, CONFORMS TO INDUSTRY
STANDARD QUARTER
BRICK PINOUT SEE &IGURE
 ! BASEPLATE ONLY MODEL WITH A MAXIMUM HEIGHT OF MM IS
AVAILABLE WITH THE ADDITION OF AN ( SUFlX #ONTACT $!4%,
)/ #ONNECTIONS
0IN &UNCTION 0
n)NPUT
2EMOTE /N/FF
)NPUT
n/UTPUT
n3ENSE
/UTPUT 4RIM
3ENSE
/UTPUT
4HE 2EMOTE /N/FF
CAN BE PROVIDED WITH
EITHER POSITIVE STANDARD
OR NEGATIVE OPTIONAL
POLARITY
$)! 0,!#%3
-!4%2)!, ",!#+ !./$):%$ !,5-).5-
531 3%2)%3 (%!43).+3 !2% !6!),!",% ). (%)'(43
!.$
(EAT 3INK /RDERING )NFORMATION
(EAT 3INK (EIGHT
INCHES MM
INCHES MM
$!4%, 0ART .UMBER
(3
1"
(3
1"
INCHES MM
(3
1"
!LL HEAT SINKS INCLUDE MOUNTING SCREWS AND A THERMAL PAD
)F USING HEATSINKS OTHER THAN $!4%,gS (3
1" SERIES THE SCREW LENGTH SHOULD ACCOMO
DATE THE THREAD RELIEF
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