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                Open Frame Power Supply

                Your current location:HomeProductTelecom power supplyOpen frame power supply

                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.