Shenzhen Epona Tech Ltd.
Main products:DC-DC Power Coverter,Mini Itx Motherboard,Power Module
Contact Us
  • Contact Person : Ms. Cao Maggie
  • Company Name : Shenzhen Epona Tech Ltd.
  • Tel : 86-755-2573 5647
  • Fax : 86-755-2570 7850
  • Address : Guangdong,Shenzhen,B303, XiangFuGe, Phase2, Xianghuo Garden,Guowei Rd, Liantang, Luohu
  • Country/Region : China
  • Zip : 518004

90W AC DC Power Adaptor

90W AC DC Power Adaptor
Product Detailed
90W AC DC Power Adaptor AC input:100-240VAC DC output: 12V, 10A Efficincy: 50/60Hz CE. FCC, UL compliant

90W AC DC Power Adaptor

1. Input Requirements


1-1. Input Voltage




1-2. Input Frequency




1-3. Input Current

1.)1.8 A Max, AT 115Vac, Full load.

2.)1.0 A Max, AT 230Vac, Full load.


1-4. Efficiency


When100-240Vac line input voltage (120Vac), the efficiency shall be 83% or better under maximum load.

1-5.No Load Power Consumption


The internal power loss at no load shall be less than 1W AT 264Vac.


1-6. Inrush Current

1.)40A Max.(AT 115Vac, Cold Start.)

2.)80A Max.(AT 230Vac, Cold Start.)


1-7. Turn-On Time


3.5 Seconds Max. (AT 115Vac, Cold Start)


1-8. Hold Up Time


10m Seconds Min. (AT 115Vac Full Load).


1-9. Configuration


2- Wire input AC line (Line, Neutral,).


1-10. Line Regulation


The maximum voltage change on DC output shall be within tolerance when AC input voltages varies within the range specified±2%.

1-11. Input Protection Device


An adequate internal fuse on the AC input line shall be protected


1-12. Hi-Pot Test


Primary-Secondary: 1.8KVac For 3 Seconds. (Leakage Current 10mA)


Insulation resistance shall be more than 100Mohm AT 500Vdc between primary line, Neutral line and secondary between primary line neutral line and frame ground. (F.G)

2. Output Requirements


2-1. Output Voltage and Current




Output Voltage






Output Current













2-2. Output Voltage Regulation


The  total  output  voltage  regulation  shall  be  +5%,  including  the  effects  of  line  voltage variations, load current, ripple and noise. and the AC component of the load current.

2-3. Ripple and Noise


The power supply shall not exceed the following limits on the indicated voltage for 60Hz or


50Hz ripple, switching frequency ripple and noise measured with a 20MHz width





Output Voltage


Ripple and Noise





Ripple and Noise: 50/60Hz Ripple +Switching Ripple and Noise


Ripple and noise are measured at the end of output cables which are added a 0.1uF(104) Ceramic capacitor and a 10uF Electrolytic capacitor (connect parallel)

2-4. Over Voltage Protection


The voltage will not exceed the upper trip limit. Use for ZENER diode


Output Voltage




2-5. Over Current Protection


When  the  adapter  output  current  is  over  14A should  be  shut  down  and  no  dangers  or hazardous .It can auto recover when remove away the short.

2-6. Short Circuit Protection


A Short circuit place at output will not cause damage to adapter it can auto recover when remove away the short.

2-7. Leakage Current


0.5mA Max. (AT 264Vac 50Hz).



3. Environmental Requirements



1.)Operating:    0°C to +40°C

2.)Storage    :    -20°C to +80°C




1.)Operating:    10% to 90% non-condensing

2.)Storage    :    5% to 95% non-condensing


Dimensions (Case Size )


Length:   172mm Width :60mm Height:    34mm




Power unit: <350g. (Max)

90W AC DC Power Adaptor

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