SUBJECT: SCOPE OF DOCUMENT CONTAINS : 1-0 General Description 2-0. Input Requirements 3-0. Output Requirements 4-0. Reliability 5-0. Environment 6-0. Safety 7-0.
1-0. General Description The purpose of the document is to specify a Single phase AC input, single output switching power supply. This specification is suitable for: EA1012AHES Series This product is AC to DC switching power transfer device, it can provide for a 5V/2.4A max & 12W max DC output with constant voltage source. This Specification defines the input, output, performance characteristics, environment, noise and safety requirement for a power supply. 2. Input Electrical Specification 2-1.
2-7. Inrush Current ≦ 30A at 115 Vac ≦ 60A at 230 Vac At cold start, maximum load. 2-8. Line Regulation This line regulation is less than ± 1%, of rated output voltage @ full load. 2-9. Hold Up Time ≧ 8.3mSec., @ Normal line, with full load. 2-10. Rise Time ≦50mSec., @ Rated AC input, with full load. From 10% to 90% of output voltage. 2-11. Turn-ON Time The output voltage should rise to 90% of rated output voltage in less than 3 SEC. from AC apply to 100Vac from start up. 3-0. Output Requirements 3-1.
3-4. Ripple ＆ Noise The power supply shall not exceed the following limits on the indicated voltage for 60Hz or 50Hz ripple, Switching frequency ripple and noise and dynamic load variations measured with a 20MHz bandwidth Output Ripple/Noise +5V 2% max. of rated output voltage Ripple / Noise: 60Hz ripple + switching ripple and noise Ripple & Noise are measured at the end of output cable which are added a 0.1uF ceramic capacitor and a 47uF electrolytic capacitor 3-5. Over Load Protection 180% Max.
-0. Environment 5-1 Temperature a. Operating : 0 to 40 ℃ b. Storage : -20 to 85 ℃ 5-2 Humidity a. Operating : 10 to 90 % b. Storage: 5 to 90 % 5-3 Altitude From sea level to 5,000Meter ( operation ) and 5,000Meter ( non operation ) 6-0. Safety 6-1. Hi-Pot Test 4242Vdc 5mA 2 second. between primary and secondary circuit 6-2. Insulation Test 500Vdc, 3 Sec. between primary and secondary circuit IR should ≧ 50 MΩ. 6-3. Leakage Current ≦250uA @ 240VAC 50Hz 6-4. Safety CB, CE, TUV 6-5.
7-0. Mechanical Characteristics 7-1. Physical Size : 55mm (L) * 25 mm (W) * 55 mm (H) 7-2. Enclosure material : 94V-0 minimum 7-3. Output Cable (Reference) : UL2468 #20 7-4. Vibration Test The vibration frequencies are set at 20Hz, with total amplitude of 1.5mm Along the 3 directions namely X-Y-Z. The each direction should be vibrated for 60 minutes, after testing no abnormal electrical or mechanical should occur. 7-5. Drop Test (Referencing to CSA C22.2 No.
