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25W Single Output Switching Power Supply
Features :
Universal AC input / Full range
NES-25
series
Protections: Short circuit / Overload / 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 NES-25-5 5V 5A 0 ~ 5A 25W NES-25-12 12V 2.1A 0 ~ 2.1A 25.2W 120mVp-p 10.8 ~ 13.2V 1.0% 0.5% 0.5% 10ms/115VAC at full load 120 ~ 370VDC 83% 0.35A/230VAC 84% 86% 86% NES-25-15 15V 1.7A 0 ~ 1.7A 25.5W 150mVp-p 13.5 ~ 16.5V 1.0% 0.5% 0.5% NES-25-24 24V 1.1A 0 ~ 1.1A 26.4W 200mVp-p 21.6 ~ 26.4V 1.0% 0.5% 0.5% NES-25-48 48V 0.57A 0 ~ 0.57A 27.36W 240mVp-p 43.2 ~ 52.8V 1.0% 0.5% 0.5%
RIPPLE & NOISE (max.) Note.2 80mVp-p 4.75 ~ 5.5V VOLTAGE TOLERANCE Note.3 2.0% LINE REGULATION LOAD REGULATION SETUP, RISE TIME HOLD UP TIME (Typ.) VOLTAGE RANGE FREQUENCY RANGE INPUT EFFICIENCY (Typ.) AC CURRENT (Typ.) INRUSH CURRENT (Typ.) LEAKAGE CURRENT OVERLOAD PROTECTION OVER VOLTAGE WORKING TEMP. WORKING HUMIDITY ENVIRONMENT STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION SAFETY STANDARDS WITHSTAND VOLTAGE SAFETY & ISOLATION RESISTANCE EMC EMI CONDUCTION & RADIATION (Note 6) HARMONIC CURRENT EMS IMMUNITY MTBF OTHERS DIMENSION PACKING
NOTE
Note.4 Note.5
0.5% 0.5% 500ms, 30ms/230VAC 50ms/230VAC 85 ~ 264VAC 47 ~ 63Hz 78% 0.55A/115VAC COLD START 45A <2mA / 240VAC
1200ms, 30ms/115VAC at full load
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 ~ 20.25V 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 I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC Compliance to EN55022 (CISPR22) Class B
55.2 ~ 64.8V
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 411.47Khrs min. MIL-HDBK-217F (25 99*82*35mm (L*W*H) 0.3Kg; 45pcs/14.5Kg/0.66CUFT )
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-25-SPEC 2007-10-18
25W Single Output Switching Power Supply
Mechanical Specification
20.5 55
NES-25
Case No. 932B
series
Unit:mm
1
9.5
2 3
3.5
82
8.2
L=
4 5 +V ADJ.
5
2-
M3
40
88.5 99 87
3.5
5
6.5
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
3.5 3.5
28 17.5 35
18 2-M3 L=8 74
Block Diagram
RECTIFIERS & FILTER POWER SWITCHING RECTIFIERS & FILTER
5
40.5
fosc : 60KHz
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
12 ~ 48V
100 90
80
80
60
5V
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-25-SPEC 2007-10-18

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