The purpose of the document is to specify the functional requirements of a 5W switching power supply.
2.INPUT CHARACTERISTICS:
2.1 Input Voltage:
Nominal Voltage:100-264Vac
2.2 Input Frequency: 47-63HZ
Nominal Frequency: 50HZ
Variation Frequency: 47-63HZ
2.3 Input Current:
0.1Arms max At any input voltage and rated, DC output rated load.
2.4 Inrush Current:
25Amps Max. Cold start at 100Vac input, with rated load and 25°C ambient.
2.5 Ac Leakage Current:
5mA Max At 264Vac input.
3.OUTPUT CHARACTERISTICS:
3. 1Power Output;
Voltage Min. Load Max. Load Peak Output Power
+5.0Vdc 0.1A 1A 1.2A 5W
3.2 Combined Load/Line Regulation:
Voltage Min. Voltage Max. Voltage Line Regulation Load Regulation
+5.0Vdc 4.75V 5.0V ±3% ±5%
3.3 Ripple and Noise:
The ripple and noise are as follows when measure with Max. Bandwidth of 20MHz and Parallel 47uF/0.1uF crossed connected at testing point.
Voltage Ripple And Noise(Max.)
+5.0Vdc 100mVp-p
3.4 Turn On Delay Time:
3 second Max. At 100Vac input and output Max. Load.
3.5 Rise Time:
40mS Max. At 100Vac input and output Max. Load.
5mS Min. At 100Vac input and output Max. Load.
3.7 Efficiency:
70%Min.At 100Vac input and output Max. Load.
75%Min.At 264Vac input and output Max. Load.
3.8 Overshoot:
15%Max.When power supply at turn on or turn off.
4. PROTECTION REQUIREMENT:
4.1 Short Circuit Protection:
The power supply will be auto recovered when short circuit faults remove.
4.2 Over current Protection:
The power supply will be auto recovered when over current faults remove.
4.3 Over Voltage Protection
The power supply will not be auto recovered when faults remove.
5. ENVIRONMENTAL REQUIREMET:
5.1 Operating Temperature:
-20°C to75°C,Full load Normal operation.
5.2 Storage Temperature: -20°C to85°C, With package.
5.3 Relative Humidity:
5%(0°C )~90%(40°C )RH,72Hrs,Full load Normal operating.
5.4 Vibration:
1.Operating: IEC 721-3-3 3M3
5~9Hz,A=1.5mm 9~200Hz,Acceleration 5m/s2 2.Transportation: IEC 721-3-2 2M2
5-9Hz,A=3.5mm
9~200Hz, Acceleration=5m/S2
200~500HZ, Acceleration=15m/S2
3. Axes. 10 cycles per axis.
No permanent damage may occur during testing.
The product has to restores its original situation after power off/on.)
5.5 Dropping Packed:
1 corner,3 edges, and 6 surfaces
76cm Height: 76cm
6.1 CE FCC UL EK
6.2 DIELECTRIC STRENGTH)(H-Pot:
Primary to secondary: 1500Vac/5mA/60s.
7. MECHANICAL REQUIREMENT:
The power supply size: L73*W42*H27MM