Description

computer power adapter

1、DESCRIPTION:

The purpose of the document is to specify the functional requirements of a **0W switching power supply.

2、INPUT CHARACTERISTICS:

   2.1 Input Voltage:

Rated Voltage:**0~**0Vac

Variation Range:*****4Vac

   2.2 Input Frequency:

Rated Frequency: *0/*0Hz.

Variation Frequency:****3Hz

   2.3 Input Current:

2.0Amps max At any input voltage and rated, DC output rated load.

   2.4 Inrush Current:

**0 Amps Max. Cold start at **0Vac input, with rated load and *5℃ ambient.

   2.5 Ac Leakage Current:

0.*5mA Max.At**0Vac input.

3、OUTPUT CHARACTERISTICS:

3.1 Power output

3.2 Combined Load/Line Regulation

3.3Ripple and Noise:

   Under nominal voltage and nominal load,the ripple and noise are as follows when measure with Max.Bandwidth of *0MHz and Parallel *7uF/0.1uF,crossed connected at testing point.

Voltage                Ripple and Noise(Max.)

**2Vdc                 **0mV p-p

3.4 Turn on delay time:

   3Second Max.at **5Vac input and output Max.load.

3.5 Rise time:

   *0 mS Max.at **5Vac input and output Max load.

3.6 Hold up time:

   5 mS Min.at **5Vac input and output Max.Load.

3.7 Efficiency:

      *5% Min, At **5/**0Vac input voltage,1/4，1/2，3/4 and full load calculation average efficiency.

4、PROTECTION FUNCTION:

4.1 Short circuit test:

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 auto recovered when faults remove **0%~**0%.

5、ENVIRONMENTAL REQUIREMET:

5.1Operating Temperature:

0℃ to *0℃,Full load, Normal operation.

5.2 Storage Temperature:**0℃ to *0℃

With package

5.3 Relative Humidity:

5%(0℃)~*0%(*0℃)RH,*2Hrs,Full load, Normal operating.

5.4 Vibration:

Operating: IEC ******3 3M3

5~9Hz,A=1.5mm

9~**0Hz,Acceleration 5m/S2

2. Transportation:

IEC ******2 2M2

**9Hz,A=3.5mm

9~**0Hz, Acceleration=5m/S2

**0~**0Hz, Acceleration=*5m/S2

3. Axes,*0 cycles per axis.

No permanent damage may occur during testing.

The SAMPLE has to restore to its original situation after power off/on..

5.5 Dropping Packed:

1M for wallmount type and **0mm for desktop type as above described.

The horizontal surface consists of hardwood at least *3mm thick, mounted on two layers of plywood

each *9mm to *0mm thick,all supported on a concrete or equivalent non-resilient floor.

6、SAFETY REQUIREMENT:

6.1Safety: accord with

6.2 DIELECTRIC STRENGTH Hi-Pot:

Primary to secondary:***0Vac*0mA/3S for type test.

6.3       Iusulation resistance:

Primary to secondary:*0M&branded; min at **0V DC.

6.4  EMI STANDARD