2.General Description

This specification defines the engineering features, functions, general design and performance requirements for a 60 watts switching mode AC to DC power supply.
 

3.Electrical Specification

 
 

• InputRequirements
• InputVoltage

Operation Range：100-240VAC    Designing Range：90 – 264VAC

3.1.2Input LineFrequency

Operation Range：50 -60Hz           Designing Range：47 – 63Hz

3.1.3InputCurrent

The maximum input current is measured at Full load 1.5 A with 230Vac voltageconditions.

3.1.4InrushCurrent

120A Max. less under 230Vac conditions. Interruption of the input voltage for duration sufficient to cause the output voltage to drop below the regulation setting shall cause reactivation of in rush limiting capability. Full-load 25 ℃ cold start.

3.1.5Power Consumption

The power supply consumption less than 0.15 watt at rated 115/230 VAC input Voltage conditions.

3.1.6Efficiency

It should provide an average efficiency of 83.0% minimum, when measured at (25%,50%,75%,100%) load under 115/230VAC（60/50Hz）and burn-in 30minutes.
 

3.2OutputRequirements

• Output RatingVoltage

 
 

DC OUTPUT VOLTAGE			LOAD ( A )
Symbol Vo	Voltage	Regulation	Minimum	Maximum
V+	15 V	13.95 -16.05V	0 A	4.0A

• Regulation

When the frequency and input voltage varied, the output voltage should be within the specification outlined in +/-1%.

2.1.2Ripple &Noise

Output	Voltage	Load	Maximum Ripple & Noise
1	15 V	Full Load	250 mV (115/230Vac)

1. Measured at output terminal, added with a Low ESR Electrolytic capacitor of 47uF and 0.1uF ceramic capacitor to simulate system loading.
2. Ripple and noise are defined as periodic or random signals over frequency bandof

10HZ to 20MHz. Measurement shall be made with an oscilloscope with 20MHZ bandwidth minimum.

2.1.3Turn-OnTime

The power supply shall turn on in less than 4 seconds with full load and 115Vac/60Hz input voltage conditions.

2.1.4Hold-Up Time

Hold up time for the output must be at least 16 mS minimum with full load and 115Vac/60Hz input voltage conditions.

2.1.5RiseTime

Rise time in less than 50 mS with 10% to 90% load 115Vac/60Hz input voltage conditions.

2.1.6Transientresponse

The power supply output voltage shall not undershoot not or overshoot beyond the specified limits shown after applying load changes with a 0.15A/µsec slew rate on the output. Change Frequency to 100Hz and 1KHz with a 50% duty cycle.
 

Voltage Limits		Load change
14.50Vdc	16.70Vdc	50% to 100% load and 100% back 50%

 
 

2.2ProtectionCircuit

• Over Current Protection(OCP)

The power supply shall operate in shut down mode at over current 6A -8A loading mode ,and it shall auto-recover if the fault is removed.

2.1.1   Over Voltage Protection(OVP)

The power supply shall operate in shut down mode at over voltage protection 130% maximum rating voltage , and it shall auto-recover if the fault is removed.

2.1.2   Short Circuit Protection(SCP)

The power supply shall be protected from damage of accidentally short on the output terminal, and it shall auto-recover if the fault is removed.
 

3.  Reliability

 
 
3.1  MTBF(Mean-time-between-failures)Calculation
The demonstrated MTBF shall be more than 50,000 hours of continuous operation at 25℃, maximum load and using the MIL-HDBK-217F method.
 

4.  RegulatoryStandard

 
 
4.1  EMCSpecification
POWER SUPPLY SPECIFIC EMC TEST REQUIREMENTS
 
 

EMC	Standard	Test CRITERIA (Method)
Electrostatic Discharge (ESD)	EN 55024:2010, EN 61000-4-2	Air Discharge ±8kV	Contact Discharge ±4kV
Radiated Field Immunity(RS)	EN 55024:2010, EN 61000-4-3	Radiated Susceptibility 3V/m
Fast Transient Immunity(EFT)	EN 55024:2010, EN 61000-4-4	Power line 1kV	Signal line 0.5kV
Surge Immunity(Surge)	EN 55024:2010, EN 61000-4-5	Common mode ±2kV	Differential mode ±1kV

 
 

4.2       Radiated and ConductedEmission

Power supply shall with the radiated and conducted emission requirements for EN55032 Class B,FCC part 15B.

2.Safety

• RegulatoryStandard

The power supply shall complied the following international regulatory standards

Certified	Country	Certified Status	Standard
UL	USA	★	UL 60950-1、UL 62368-1
FCC	USA	★	FCC PART 15
CE	EUROPE	★	CE MARK、EN55032
TUV	EUROPE	★	EN60950-1;2006+A2
PSE	JAPAN	★	J60950-1(H27)、J55022(H22)
RCM	AUSTRALIA	★	AS/NZS 60950-1:2011
BSMI	TAIWAN	★	CNS13438
CCC	CHINA	★	GB4943.1-2011

2.2Hi-pot

Dielectric Withstand Voltage, Primary(input AC short)-to-Secondary(output DC short): 3000Vac(4242Vdc),10mA, 1 minute(Production test for 3 second).

2.3Leakage current

The AC leakage current to output is less than 3.5mA when the power supply is connected to 230VAC/50Hz.

3.Environment

• Temperature andHumidity

Condition	Operation	Shipping / Storage
Temperature	0℃ ~ 40℃	-20℃ ~ 70℃
Relative Humidity	20% ~ 90%	20% ~ 90%

• Altitude

The power supply shall operate properly at any altitude between 0 ~ 3000 m above sea level.

4.Mechanical

• Dimension andConfiguration

Weight	450g ±20g	Input pin	Interchangeable Wall mount UK plug
Dimensions	122.73*52.14*42.6mm	Output connector	Skinned tinned
Unit color	BLACK	Polarity	180° White wire"+" ,Black wire “-“
Plastic	94V-0	Cable	NOUL2464 18AWG/2C 80℃ 300V L:4.0M
		EMI core	NA