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50W Single Output Switching Power Supply
Features :
Universal AC input/Full range
NES-50
series
Protections:Short circuit/Over load/Over voltage Cooling by free air convection 100% full load burn-in test 2 years warranty
SPECIFICATION
MODEL DC VOLTAGE RATED CURRENT CURRENT RANGE RATED POWER OUTPUT VOLTAGE ADJ. RANGE VOLTAGE TOLERANCE Note.3 LINE REGULATION LOAD REGULATION SETUP, RISE TIME HOLD TIME (Typ.) VOLTAGE RANGE FREQUENCY RANGE INPUT EFFICIENCY(Typ.) AC CURRENT (Typ.) INRUSH CURRENT (Typ.) LEAKAGE CURRENT OVER LOAD PROTECTION OVER VOLTAGE WORKING TEMP. WORKING HUMIDITY ENVIRONMENT STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION SAFETY STANDARDS WITHSTAND VOLTAGE SAFETY & ISOLATION RESISTANCE EMC
(Note 6) Note.4 Note.5
NES-50-5 5V 10A 0 ~ 10A 50W 4.75 ~ 5.5V 2.0% 0.5% 0.5% 500ms, 30ms/230VAC 50ms/230VAC 85 ~ 264VAC 47 ~ 63Hz 79%
NES-50-12 12V 4.2A 0 ~ 4.2A 50.4W 120mVp-p 10.8 ~ 13.2V 1.0% 0.5% 0.5% 10ms/115VAC at full load 120 ~ 370VDC 82%
NES-50-15 15V 3.4A 0 ~ 3.4A 51W 150mVp-p 13.5 ~ 16.5V 1.0% 0.5% 0.5%
NES-50-24 24V 2.2A 0 ~ 2.2A 52.8W 200mVp-p 21.6 ~ 26.4V 1.0% 0.5% 0.5%
NES-50-48 48V 1.1A 0 ~ 1.1A 52.8W 240mVp-p 43.2 ~ 52.8V 1.0% 0.5% 0.5%
RIPPLE & NOISE (max.) Note.2 80mVp-p
1200ms, 30ms/115VAC at full load
83%
86%
87%
1.1A/115VAC 0.65A/230VAC COLD START 45A <2mA / 240VAC 110 ~ 150% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed 5.75 ~ 6.75V 13.8 ~ 16.2V 17.25 ~ 20.25 27.6 ~ 32.4V Protection type : Shut down o/p voltage, re-power on to recover -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 UL60950-1, CB(IEC60950-1) Approved I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
55.2 ~ 64.8V
I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC EMI CONDUCTION & RADIATION Compliance to EN55022 (CISPR22) Class B HARMONIC CURRENT Compliance to EN61000-3-2,-3 EMS IMMUNITY Compliance to EN61000-4-2, 3, 4, 5, 6, 8,11, ENV50204, EN55024, EN61000-6-1 Light industry level, criteria A 374.2K hrs min. MIL-HDBK-217F (25 129*98*38mm (L*W*H) 0.41Kg; 45pcs/19.5Kg/1.24CUFT )
MTBF OTHERS DIMENSION PACKING
NOTE
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 0% to 100% rated load. 6. 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.
File Name:NES-50-SPEC 2006-10-31
50W Single Output Switching Power Supply
Mechanical Specification
122.5
NES-50
Case No. 903
series
Unit:mm
1
9.5
2 3 4
2-
M
3
33 85.5 9.5 3.5 28.5 98
8.2
5
+V ADJ.
3 .5
4.5 73.5 129 6.5 120
9
Terminal Pin. No Assignment
Pin No. 1 2 3 Assignment AC/L AC/N FG Pin No. 4 5 Assignment DC OUTPUT -V DC OUTPUT +V
18.5
31
3.5
7
3-M
3
32
77
Block Diagram
RECTIFIERS & FILTER POWER SWITCHING RECTIFIERS & FILTER
18
3.5
fosc : 60KHz
38
I/P
EMI FILTER
+V -V
FG O.L.P. CONTROL
DETECTION CIRCUIT O.V.P.
Derating Curve
Output Derating VS Input Voltage
Ta=25
100
100 90
80
80
60
70
LOAD (%)
LOAD (%)
0 10 20 30 40 50 60 70
40
60 50 40
20
-20
(HORIZONTAL)
85
95
100
115
120
140
160
180
200
220
240
264
AMBIENT TEMPERATURE ( )
INPUT VOLTAGE (VAC) 60Hz
File Name:NES-50-SPEC 2006-10-31

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