供应平板电脑电源适配器

1.0 General Description

1.1 Product Description

This Specification defines the input, output, performance characteristics environment, noise and safety requirements for a power supply

1.2 Parameter Specification

Unless specification otherwise, all parameters must be met over the limit of  temperature, load, and input voltage.

2.0 Electrical Requirements

2.1 Input requirements

2.1.1 Input Voltages

Normal voltage : 100 to 240Vrms         Voltage range :   90 to 264Vrms

2.1.2 Inrush Current

The inrush current should cause no damage to the power supply which is testing at any AC input voltage as specified in 2-1-1. And inrush current at 115VAC must be limited 30A max. at cold start，for 240VAC it must be limited to 50A Max. at cold start.

2.1.3 Input Fuse

The live line side of the input shall not blow up.

2.1.4 Input Current

less than 1.3Arms at 90 to 264Vac input

2.1.5 Frequency

60 &plu*n; 3Hz  /  50 &plu*n; 3Hz

2.1.6 Efficiency

When 230Vac  input voltage, the efficiency shall be 78% or better under maximum load.

2.1.7 Primary Over Current Protection

An adequate internal fuse on the AC input line shall be provided.

2.1.8 DPMS Mode

Input 230vac 50Hz : Under 1 W(*-load).                                                                                   Input 230vac 50Hz at LOAD 250mW : Input power Consumption under 1W

2.1.9 Configuration

3 Conductors (Live, neutral, F.G)

2.1.10 Earth Leakage Current.

0.75mA Max (250V, 50Hz)

2.1.11 Hi-pot tests (Dielectric withstand voltage)

1.8KV / 1sec (AC) at 10mA ( Primary to Secondary )

2.1.12 Insulation Resistance

Insulation resistance shall be more than 25M at 500Vdc between Primary Live,neutral line and secondary. 

1.0 General Description

1.1 Product Description

This Specification defines the input, output, performance characteristics environment, noise and safety requirements for a power supply

1.2 Parameter Specification

Unless specification otherwise, all parameters must be met over the limit of temperature, load, and input voltage.

2.0 Electrical Requirements

2.1 Input requirements

2.1.1 Input Voltages

Normal voltage : 100 to 240Vrms        Voltage range :  90 to 264Vrms

2.1.2 Inrush Current

The inrush current should cause no damage to the power supply which is testing at any AC input voltage as specified in 2-1-1. And inrush current at 115VAC must be limited 30A max. at cold start，for 240VAC it must be limited to 50A Max. at cold start.

2.1.3 Input Fuse

The live line side of the input shall not blow up.

2.1.4 Input Current

less than 1.3Arms at 90 to 264Vac input

2.1.5 Frequency

60 &plu*n; 3Hz / 50 &plu*n; 3Hz

2.1.6 Efficiency

When 230Vac input voltage, the efficiency shall be 78% or better under maximum load.

2.1.7 Primary Over Current Protection

An adequate internal fuse on the AC input line shall be provided.

2.1.8 DPMS Mode

Input 230vac 50Hz : Under 1 W(*-load).                                                                                  Input 230vac 50Hz at LOAD 250mW : Input power Consumption under 1W

2.1.9 Configuration

3 Conductors (Live, neutral, F.G)

2.1.10 Earth Leakage Current.

0.75mA Max (250V, 50Hz)

2.1.11 Hi-pot tests (Dielectric withstand voltage)

1.8KV / 1sec (AC) at 10mA ( Primary to Secondary )

2.1.12 Insulation Resistance

Insulation resistance shall be more than 25M at 500Vdc between Primary Live,neutral line and secondary.