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110v 220v ac to dc 12v 24v adapter 12w power supply

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110v 220v ac to dc 12v 24v adapter 12w power supply

1. INTRODUCTION:

     This document define a switching power supply electronic process.The switching power supply will provide for technology equipment including electrical business equipment.

 

2. INPUT REQUIREMENTS:

2.1 Operating range: 90-264VAC

2.2 Rated Input Voltage :100-240VAC

2.3 Input Frequency Range: 50/60Hz +/-3Hz

2.4 Input Current:500mA max

 

3.OUTPUT REQUIREMENTS:

3.1  Output Voltage and Current

 

Output

Output Regulation(V)

No Load

Rating Load (A)

Voltage(V)

Minimum

Maximum

Current(A)

Continuous Current(A)

12V

 11.4V

 12.6V

0A

1.0A

 

3.2   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.

 

3.3   Output Voltage Ripple

   The switching power supply shall not exceed the following limits in the indicated voltage for 60Hz or 50Hz ripple,switching frequency ripple and noise measured with 20MHz width.

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

 

Output

Ripple

0-1.0A

<200mV

 

Ripple and Noise are measured at the end of output cables which are added a

0.1uF(104) Ceramic capacitor and a 22uF Electrolytic capacitor.

 

 

 

 

4. EFFICIENCY:

   When 230VAC line input voltage (100-240 VAC),the efficiency shall be >80% at rating load.

 

5. DIELECTRIC STRENGTH (Hi-Pot) TEST:

   Finished product withstands with AC3000Vrms/50Hz,5mA max,

   primary to secondary, 1 minute for type test,1 second for production test.

 

6. INSULATION RESISTANCE:

   Primary to secondary: 10MΩ min at 500VDC. 

 

7. PROTECTION:

7.1   Short Circuit Protection

   If short circuit occurs,all the output should be protected. After the fault, the adapter automatically recovers.

 

7.2  Over Shoot

    The Output over shoot at turn-on shall not exceed 10% of normal voltage value with or without the load connected.

 

7.3  Start-up time

    The start-up time is less than 2 second.

 

8.ENVIRONMENTAL CONDITIONS:

8.1  Temperature

    Operating temperature:  0  to  +40

    Storage temperature :  -20 to  +60

 

8.2  Humidity

Relative humidity≤95%

 

8.3  Operating Ambient Altitude

     Altitude:0-3000m

 

8.4  Operating at the lower temperature

      At -0,with the rated voltage 100-240Vac charged to the primary and unloaded and full load on the secondary 8 hours, no abnormality in electric and mechanical characteristic, after 2 hours recovery  at the room  temperature.

8.5 Operating at the high temperature

    At +40,with the rated voltage 100-240Vac charged to the primary and unloaded and full Load on the secondary 8 hours, no abnormality in electric and mechanical characteristic, after 2 hours recovery  at the room  temperature.

 

9. COOLING:

    Cooling shall be with natural convection cooling.

 

10.Burn-in

    The burn-in test will be performed at least 4 hours at centigrade

    degrees under full load Condition.

 

11.Referenced standard:

11.1  EMI Standards

    Reference  EN50082-1EN55022-BGB-17625.1-2003 GB-9254-1998

 

11.2  Safety Standards

    The adapter shall be meet certified with the following safety standards.

    UL60950-1,EN60950-1,GB4943-2001

 

12.  MOUNTING CONNECTORS:

12.1  AC Input Connector

     Spec :2Pin  (CE PIN)

 

12.2  DC Output Cable

     Wire : (Optional) UL2468  24AWG*2C  L=1200mm Color: Black

     Plug : (Optional) 5.5 x 2.1x 10mm  Turning fork line

 

13.  MECHANICAL FEATURES:

13.1  Dimension(Size)

     Length: 75mm

     Width: 42mm

     Height: 30mm

 ac dc Laptop Adapter 12V AC DC 1A 2A 3A 4A 5A 10A Power Adapter

 

13.2  Weight

     The Power Supply unit : 79±10g

 

13.3  Vibration and shock

      No Evidence of any mechanical or functional damage after the vibration and shock testing.

 

Test conditions

Acceptance Criteria

Frequency

10-55Hz

Nominal functional test should be satisfied after the test

Sweep

For each axis(X,Y,Z)

Displacement

0.15mm

Periodicity

10

 

13.4  Drop test

After Dropping from a hight  of   100  cm onto a wooden floor , Dropping at  6  sides  totally,  NO breakage should be happened in the test piece.

 

13.5  Bending Test

     Fix the power supply and its plug, apply a load of 200g to the other end, turn the cable by +/-60 carry out this process 1000 times, at the rate of 20 times per minutes. No abnormality in mechanical and electrical Characteristic and disconnection within 30% after the test.

 

    

 

14 .  DIAGRAM DATA:( See to attach the diagram)

  14.1. APPEARANCE DRAWING:(Unit:mm)

 uk us ac dc 24v 0.5a 12w power supply adapter

 

14.2. NAME PLATE: (Unit:mm)

  NOTE:  MATERIAL:POLYESTER COATIONG:0.10+/-0.03mm

 

  uk us ac dc 24v 0.5a 12w power supply adapter 

 

 

 

 

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