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2 5 W S i n g l e O u25WSingleOutputDC-DCConverter t put DC-DC Converter
sd S D --2255 ss eirei e s er s

SPECIFICATION
MODEL DCVOLTAGE RATEDCURRENT CURRENTRANGE RATEDPOWER OUTPUT VOLTAGE ADJ.RANGE VOLTAGETOLERANCE Note.3 LINEREGULATION LOADREGULATION SETUP,RISE,HOLDTIME VOLTAGERANGE INPUT EFFICIENCY (Typ.) DCCURRENT OVERLOAD PROTECTION OVERVOLTAGE WORKINGTEMP. WORKINGHUMIDITY ENVIRONMENT STORAGETEMP.,HUMIDITY TEMP.COEFFICIENT VIBRATION SAFETY STANDARDS SAFETY & WITHSTANDVOLTAGE EMC
(Note4)
SD-25A-5 5V 5A 0~5A 25W 4.5~5.5VDC 2.0% 0.5% 0.5%
SD-25B-5
SD-25C-5
SD-25A-12 12V 2.1A 0~2.1A 25.2W 120mVp-p 11~16VDC 1.0% 0.3% 0.3%
SD-25B-12
SD-25C-12
SD-25A-24 24V 1.1A 0~1.1A 26.4W 150mVp-p 23~30VDC 1.0% 0.2% 0.2%
SD-25B-24
SD-25C-24
RIPPLE&NOISE(max.) Note.2 100mVp-p
2.5s,50ms,------atfullload A:9.2~18VDCB:19~36VDCC:36~72VDC 71% 3.2A/12V 72% 74% 72% 1.6A/24V 75% 78% 75% 0.8A/48V 78% 81%
105~150% ratedoutputpower Protectiontype:Foldbackcurrentlimiting,recoversautomaticallyafterfaultconditionisremoved 5.75~6.75V/10%load 16.8~20V/10%load 31.5~37.5V/10%load Protectiontype:Hiccupmode,recoversautomaticallyafterfaultconditionisremoved -10~+60 (Refertooutputloadderatingcurve) 20~90%RHnon-condensing -20~+85 ,10~95%RH 0.03%/ (0~50 10~500Hz,2G10min./1cycle,60min.eachalongX, Y,Zaxes DesignrefertoLVD I/P-O/P:1.5KVACI/P-FG:1.5KVACO/P-FG:0.5KVAC
ISOLATIONRESISTANCE EMSIMMUNITY MTBF
I/P-O/P,I/P-FG,O/P-FG:100MOhms/500VDC EMICONDUCTION&RADIATION CompliancetoEN55022(CISPR22)ClassB Complianceto EN61000-4-2,3,4,6,8; ENV50204,EN55024,heavyindustrylevel,criteria A 374.3Khrsmin.(SD-25A)365.9Khrsmin.(SD-25B)377.5KHrsmin.(SD-25C)MIL-HDBK-217F(25 99*97*36mm(L*W*H) 0.38Kg;45pcs/17.8Kg/0.9CUFT )
OTHERS
DIMENSION PACKING
NOTE

WWW.AsTROdYNE.COM
300 Myles standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181
FileName:SD-25-SPEC2004-06-30
2 5 W S i n g l e O u50WSingleOutputDC-DCConverter t put DC-DC Converter
MechanicalSpecification
sd S D --2255 ss eirei e s er s
CaseNo.905Unit:mm
51.5
5
9.5
5.5
2
8.2
1
3.5
4.5 89 98.5
6.5
87
7
17.5
3.5
18
2-M
3
74
3.5
28 36
TerminalPin.No Assignment
PinNo. 1 2 3 Assignment DCINPUT VDCINPUT V+ FG PinNo. 4 5 Assignment DCOUTPUT +V DCOUTPUT -V
DeratingCurve
StaticCharacteristics(SD-25C-24V)
Ta=25
100
SD-25B,C/12,24
32 28
55.5
3
2-
M
3
97
4
36
20.5
55
300 250 200 150 100 50
80
24 20 16 12 8
60
LOAD(%)
SD-25A SD-25B-5 SD-25C-5
40
20
-10 -10
0 0
10
20
30
40
50 45
60 55
(VERTICAL) (HORIZONTAL)
25
30
35
40
45
50
55
60
65
70
72
AMBIENTTEMPERATURE(
)
INPUTVOLTAGE(V)
WWW.AsTROdYNE.COM
300 Myles standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181
FileName:SD-25-SPEC2004-06-30
OUTPUTRIPPLE(mVp-p)
3.5
350
OUTPUTVOLTAGE(V)

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