AC/DC Power Adapter
Model: RT1050
Safety: SAA/EU/CE/GS/UL/CCC-Mark
Type: Output 5V 4000mA Plug-In Type Power Supply
Date: 2019-12-9
Version： REV.01
Description
This specification defines the performance and characteristics of a adapter, single-phase 20watts. Single output level power supply. This specification also defines world wide safety requirements and manufactures process test requirements.
- Simple design philosophy.
- Overload Latch-Off protection during either (a) specified power threshold requirements or (b) short circuit condition.
- Reliability level of 50000 hours MTBF & 0.5% annual field failure rate @ 25℃.
- DC output voltage must be Safe Extra Low Voltage (SELV) & Limited Power as defined by IEC60950-1 3rd edition.
The maximum room ambient temperature, as mentioned in clause 1.4.12 of IEC60950-1 3rd edition, for the external power supply is 40°C.
DC Output Requirements DC
The power supply shall have one regulated DC outputs of +5V.
The wall defines the total regulation band for the output , which includes line regulation , load regulation ,and effects due to environmental conditions and aging . Voltage shall be measured at the power supply output connector.
| Output | Output Current Range | Output Voltage Range | Ripple/ Noise | ||
|---|---|---|---|---|---|
| type | Min. | Max. | Min. | Max. | Max. |
| +5V | 10mA | 4000mA | +4.8V | +5.45V | 250mV |
Rated input,output with full load, 20MHz bandwidth. Load end connects with 0.1uF ceramic capacitor and 10uF electric capacitor.
Input Conditions
The Supply shall operate over the voltage ranges as follows:
| Input Voltage Variation Range | 90 Vac – 264 Vac 50 & 60 Hz |
|---|---|
| Nominal Voltage | 100-240Vac |
| Input Variation Frequency | 47-63Hz |
| Input Nominal Frequency | 50/60Hz |
| Power Consumption (No Loading) | Max 0.3W |
AC Inrush Current AC
Peak inrush current shall be limited to 60 A for a cold start. Under both cold & warm start conditions, there shall be no immediate damage or long term impact on the reliability of the Supply. The conformance test for this requirement shall be performed at ±10% of the rated input voltage. Voltage and current waveforms will be observed on an oscilloscope following closure of the external power switch. Switch closure will be repeated until the waveforms show closure coincident with a voltage peak. The current measured during this occurrence will be defined as the peak inrush current.
Efficiency
The efficiency of the Supply shall meet the following requirements:
| Supply | Load | Line | Efficiency |
|---|---|---|---|
| 100-240Vac 50/60Hz | Rated Output | 100– 240 Vac | ≥78.57% |
Output Voltage / Current
| Output# | Voltage | Minimum load | Max load | Peak load |
|---|---|---|---|---|
| 1 | +5V | 10mA | 4000mA | / |
Load/Line Regulation
The output voltage shall be statically regulated for all combinations of load, line and environment including cross regulation as shown.
| Output# | Voltage | Min. Voltage | Max. Voltage | Tolerance |
|---|---|---|---|---|
| 1 | +5V | +4.8V | +5.25V | +/-5% |
Light Load Output Voltage
The output voltage shall be within the specified limits shown when subjected to the following conditions:
| Ambient temperature | 0°C – 40°C |
|---|---|
| Output voltage(No load) | DC5V |
No damage or hazardous condition will occur with the DC output connector disconnected from the load under all input line conditions.
Short Circuit Protection
The power supply will be auto recovered when short circuit faults remove.
Over-voltage protection
When the output voltage than rated voltage 150%, the power supply will protect, can resume normal work after troubleshooting.
Over current protection
The power supply will be protection when output power over 120%－250% of all rated dc output.
Rise Time
The Supply shall have a start-up rise time of less than 25ms to rise to within regulation limits for all DC outputs.
Hold Up Time
5mS Min. At 115Vac input and output Max. Load.
Turn On Delay Time
115Vac: The output shall reach steady state value within 5 sec of turn on 115V.
230Vac: The output shall reach steady state value within 3 sec of turn on 230V.
Output Ripple
Maximum Ripple must be less than 250mVpp when subjected to the following conditions:
| Line voltage | 100Vac-240Vac 50 & 60 Hz (Universal) |
|---|---|
| Output Load | Full Load |
Remarks : Rated input,output with full load, 20MHz bandwidth. Load end connects with 0.1uF ceramic capacitor and 10uF electric capacitor.
Overshoot
During Turn-On or Turn-Off of the power supply, the output voltage shall not exceed 7%. No voltage of opposite polarity shall be present on the output during turn-on or turn-off.
Components Thermal Derating
In the output nominal load conditions and any work under the condition of the input, all components shall not exceed thermal derating. shall not exceed their designed safety rated temperatures for the insulation.
Input connector
The AC input connection shall be an BS 1363/NEMA1-15P/AS/NZS/ EN 50075 power connector.
Output connector
UL authentication 246818# line 黑色,L=1.5M
Copper head：3.5*1.35*10MM
EMC Specifications
The external power supply must meet all specification in this section. It is required that the external power supply work closely with the Product in order to get the best EMC solution.
Radiated and Conducted Emission
The power supply shall complied to:
FCC part 15 : Subpart B for radiated and conducted emissions.
EN 55032, Class B for radiated and conducted emissions.
Electrostatic Discharge Immunity
EN 55024:2010, EN 61000-4-2
| Air Discharge | ±8kV |
|---|---|
| Contact Discharge | ±4kV |
| Performance Criteria B | B |
Electrostatic-discharge test by contract or air should be conducted with Static-discharge tester,energy storage capacitance of 150pF, and discharge resistance of 330Ω, 8KV air discharge, 4KV contact discharge.
Radiated Field Immunity
EN 55024:2010, EN 61000-4-3
- Frequency Range : 80-1000MHz
- Field Strength : 3 V/m with 80% amplitude modulation of 1kHz
- Performance Criteria A
Radio-frequency electromagnetic field susceptibility test,RS 80-1000MHz, 3V/m, 80%AM(1KHz).
Fast Transient Immunity
EN 55024, EN 61000-4-4
- Power line: 1kV AC
- Signal line: 0.5kV DC
- Performance Criteria B
Surge Immunity
EN 55024:2010, EN 61000-4-5
- 1.2/50 usec Open Circuit voltage
- 8/20 usec Short Circuit current
- Power line: 1kV
- Line to Earth: 2kV
Lighting Surge Voltage of differential and common modes shall be applies across AC input lines and cross input and frame ground.
Regulatory Standard
The power supply shall complied the following international regulatory standards
| Country | Certified Status | Standard | |
|---|---|---|---|
| UL | USA | Meet | UL60950-1 |
| CUL | Canada | Meet | CAN/CSAC22.2NO60950-1 |
| GS | Europe | Meet | EN60950-1 |
| CE | Europe | Meet | EN60950-1 |
| SAA | AU | Meet | AS/NZS 60950-1 |
| CCC | China | Meet | GB4943 |
Additional Safety Requirements
◎ Dielectric Withstand Voltage, Primary(input AC short)-to-Secondary(output DC short) : 3000 Vac,10mA,1 minute
◎ Insulation Resistance, Input to output : 10MΩ（MIN.） at500 VDC.
◎ Reinforced insulation system, Primary-to-Ground and Primary-to-Secondary.
◎ The leakage currentshall not exceed 0.25mA.
Temperature
◎ Operating : 0°C - +40°C
◎ Non-Operating : -20°C - +80°C
Humidity
◎ Operating : 5% - 90% (Non Condensing)
◎ Non-Operating : 5% - 90% (Non Condensing)
Vibration
Operating : 10-250Hz, 0.25G peak to peak, 3axes,15min sweep.
Storage : 10-300Hz,2.0G peak topeak, 3axes,15min sweep.