Open Frame Power Supply

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48W 12V4A Open Frame Power Supply G0852

 

Output: 48W 12V4A
Dimension: 127*76*28(L*W*H)

 

  • Description
  • Parameters

 

Electrical Characteristics: 

1.1

Input Characteristics

NO.

Items

Technical Requirement

Unit

Remark

1.1.1

Rated Input Voltage

100—240

Vac

 

1.1.2

Input Voltage Range

90—264

Vac

 

1.1.3

Inrush Current

150A

A

Vin=90Vac, cold start. 

1.1.4

Maximum Input Current

≤2A

A

Vin=90Vac. 

1.1.5

Efficiency

≥75%

 

Input voltage 220Vac. 

1.2

Output Characteristics

NO.

Items

Technical Requirement

Unit

Remark

1.2.1

Rated Output Voltage

12

Vdc

 

1.2.2

Output Voltage Range

11.4-12.6

Vdc

 

1.2.3

Rated Output Current

4

A

 

1.2.4

Minimum Output Current

0

A

 

1.2.5

Maximum Output Current

4

A

 

1.2.6

Load Regulation

±5%

 

 

1.2.7  

Output Ripple and Noise

≤120

mVp-p


Made the oscilloscope with 20MHz bandwidth,

output resistor side with 10uF & 104 capacitors parallel to decouple, normal temperature.


1.2.8

Output Overshoot at Turn On and Turn Off

±10%

 

 

1.2.9


Dynamic Response


Overshoot Amplitude 

±5% 

 

Variety load between 0%—50%—100%. 

1.3

Protection Characteristics

NO.

Items

Technical Requirement

Unit

Remark

1.3.1

Output Overcurrent Protection

Protection Point

4.8—8

A

Burp restart, restored automatically when malfunction removed.

1.3.2

Output Overvoltage Protection

Protection Point

 

 

 

1.3.3

Output Short Circuit Protection


The way of short circuit protection is burp restart, remove the short circuit fault and the module will automatically return to work.