SPECIFICATION
MODEL
DCVOLTAGE
RATEDCURRENT
CURRENTRANGE Note.6
RATEDPOWER
OUTPUT VOLTAGE ADJ.RANGE
SETUP,RISETIME
HOLDUP TIME (Typ.)
VOLTAGERANGE
FREQUENCY RANGE
EFFICIENCY(Typ.)
ACCURRENT (Typ.)
INPUT
INRUSHCURRENT (Typ.)
LEAKAGECURRENT
SAFETY STANDARDS
WORKINGTEMP.
WORKINGHUMIDITY
STORAGETEMP.,HUMIDITY
TEMP.COEFFICIENT
VIBRATION
MTBF
DIMENSIONOTHERS
NOTE
PACKING
OVERLOAD
500ms,30ms/230VAC1200ms,30ms/115VACatfullload
50ms/230VAC 10ms/115VACatfullload
85~264VAC120~370VDC
47~63Hz
1.1A/115VAC0.65A/230VAC
COLDSTART 45A
<2mA /240VAC
110~150% ratedoutputpower
CompliancetoEN55022(CISPR22)ClassB
-20~+60 (Refertooutputloadderatingcurve)
20~90%RH non-condensing
-40~+85 ,10~95%RH
0.03%/ (0~45 )
10~500Hz,2G10min./1cycle,periodfor 60min.eachalongX, Y,Zaxes
413.3Khrsmin.MIL-HDBK-217F(25 )
129*98*38mm(L*W*H)
FileName:NED-50-SPEC2010-10-18
OVERVOLTAGE
HARMONICCURRENT
EMSIMMUNITY
Complianceto EN61000-3-2,-3
CompliancetoEN61000-4-2,3,4,5,6,8,11,ENV50204,EN55024,EN61000-6-1,lightindustrylevel,criteria A
50WDualOutputSwitchingPowerSupply
Universal AC input / Full range
Protections: Short circuit / Overload / Over voltage
Cooling by free air convection
100% full load burn-in test
2 years warranty
Features :
NED-50 series
RIPPLE&NOISE(max.) Note.2
VOLTAGETOLERANCE Note.3
EMICONDUCTION&RADIATION
ENVIRONMENT
SAFETY &
EMC
(Note7)
PROTECTION
WITHSTANDVOLTAGE
ISOLATIONRESISTANCE
I/P-O/P:3KVACI/P-FG:1.5KVACO/P-FG:0.5KVAC
I/P-O/P,I/P-FG,O/P-FG:100MOhms/500VDC/25 /70%RH
1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. Line regulation is measured from low line to high line at rated load.
5. Load regulation is measured from 20% to 100% rated load, and other output at 60% rated load.
6. Each output can work within current range. But total output power can't exceed rated output power.
7. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets
EMC directives. For guidance on how to perform these EMC tests, please refer to EMI testing of component power supplies.
(as available on http://www.meanwell.com)
Protectiontype: Hiccupmode,recoversautomaticallyafterfaultconditionisremoved
NED-50A
5V
6A
1~6A
54W
80mVp-p
CH1:4.75~5.5V
2.0%
0.5%
1.5%
CH1:5.75~6.75V
79%
NED-50B
12V
CH2
24V
CH2
5V
CH1
2A 1.4A4A
0.3~3A 0.2~2A1~6A
53.6W
120mVp-p 200mVp-p80mVp-p
CH1:4.75~5.5V
6.0% 6.0%
1.0% 1.0%
3.0% 3.0%
2.0%
0.5%
1.5%
82%
LINEREGULATION Note.4
LOADREGULATION Note.5
CH1OUTPUTNUMBER
0.44Kg;45pcs/21Kg/1.24CUFT
Protectiontype:Shutdowno/pvoltage,re-powerontorecover
UL60950-1,CB(IEC60950-1)approved
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MechanicalSpecification CaseNo.903Unit:mm
FileName:NED-50-SPEC2010-10-18
BlockDiagram
CIRCUIT
DETECTION
O.L.P.
EMI
FILTER
RECTIFIERS
&
FILTER
POWER
SWITCHING FILTER
FILTER
&
&
RECTIFIERS
RECTIFIERS
+V1
+V2
COM
I/P
FG
CONTROL
O.V.P.
OutputDeratingVSInputVoltage
INPUTVOLTAGE(VAC)60Hz
85 10095 120115 160140 200180 240220 264
LOAD(%)
Ta=25
90
100
80
70
60
50
40
AMBIENTTEMPERATURE( )
LOAD(%)
-20 0 2010 30 40
20
40
80
60
100
6050 70
+V ADJ.
fosc:60KHz
TerminalPinNo. Assignment
PinNo. PinNo.
1
2
5
3
4
6
7
Assignment Assignment
DCOUTPUT +V2
DCOUTPUT COM
DCOUTPUT +V1
FG
DCOUTPUT COM
AC/L
AC/N
8.2
1
2
3
4
5
6
7
9.5
31
2-M3
(HORIZONTAL)
DeratingCurve
50WDualOutputSwitchingPowerSupply NED-50 series
9
77
32
38
3.5
9.5
18
3-M3
28.5
4.5 73.5
129
120
6.5
18.5
3.5
3.5
122.5
3.5
85.5
98
33
7
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