24W ac dc power adapter with 2 years warranty :
1. AC/DC Power Adapter Specification :
| Model.: |
Output Voltage.: |
Output Current.: |
Watt (W) |
| MKS-0503000 |
5.00V |
3.00A |
15.0W |
| MKS-0603000 |
6.00V |
3.00A |
18.0W |
| MKS-0753000 |
7.50V |
3.00A |
22.5W |
| MKS-0902500 |
9.00V |
2.50A |
22.5W |
| MKS-1202000 |
12.0V |
2.00A |
24.0W |
| MKS-1501600 |
15.0V |
1.60A |
24.0W |
| MKS-1801200 |
18.0V |
1.20A |
21.6W |
| MKS-2401000 |
24.0V |
1.00A |
24.0W |
| MKS-4800500 |
48.0V |
0.50A |
24.0W |
2. SCOPE
The document detail the electrical, mechanical and environmental specifications of a SMPS, the power supply provide 24W
continuous output power.
The power supply shall meet the RoHS requirement.
2.1 Description :
SMPS Adaptor(Wall mount)
3. Input Characteristics of 24W power adapter
3.1 Input Voltage & Frequency:
The range of input voltage is from 90Vac to 264Vac single phase
| Type. |
Minimum |
Nominal |
Maximum |
| Input Voltage. |
90Vac |
100Vac~240Vac |
264Vac |
| Input Frequency. |
47Hz |
60Hz/50Hz |
63Hz |
3.2. Input AC Current/AC:
0.8Amax. @ 100-240Vac input & Full load
3.3. Inrush Current (cold start):
40Amax. @ 264Vac input
3.4. Average Efficiency:
86.20%min.@ Nominal input
3.5. Energy Consumption : ≤0.1W
4. Output Characteristics of 24W dc adapter
4.1 Static Output Characteristics <Vo & R+N>
| Output |
Rated Load |
Output Range |
R+N |
Remark |
| Rate |
Min. Load |
Max. Load |
| +12V |
0.0A |
2A |
11.4V~12.6V |
120mVp-p |
|
Ripple & Noise: Measurement is done by 20MHz bandwidth oscilloscope and the output paralleled a 0.1uF ceramic
capacitor and a 10uF electrolysis capacitor. (test under the condition of rated input and rated output)
4.2 Line/ Load Regulation:
| Output |
Load Condition |
Line Regulation |
Load Regulation |
Remark |
| Rate |
Min. Load |
Max. Load |
| +12V |
0.0A |
2A |
+/-1% |
+/-5% |
|
4.3 Turn - on Delay Time
3S max. @ 100Vac to 240Vac input & Full load
4.4 Hold-up Time
10mS min. @ Full load &115Vac/60Hz input turn off at worst case
20mS min. @ Full load &230Vac/50Hz input turn off at worst case
4.5 Rise Time
20mS max. @ Rated load
4.6 Fall Time
20mS max. @ Full load
4.7 Output Overshoot / Undershoot
10% max. When the power on or off
4.8 Output Load Transient Response
Output voltage within 11.4V~12.6V for load step from 25% to 50% to 25%,50% to 75% to 50%
R/S: 0.25A/uS, Transient Response Recovery Time :200uS,Dynamic response overshoot 5%
5. Protection Requirements of 24W power adapter
5.1 Over Current Protection:
The output shall hiccup when the over currents applied to the output rail, and shall be self-recovery
when the fault condition is removed
5.2 Short Circuit Protection:
The input power shall decrease when the output rail short, the power supply shall no damage,
and shall be self-recovery when the fault condition is removed
6. Environment Requirements
6.1 Operating Temperature and Relative Humidity:
0ºC to +40ºC
10%RH to 90%RH
6.2 Storage Temperature and Relative Humidity:
-20ºC to +80ºC
5%RH to 95%RH non-condensing @ Sea level shall be low 2,000 meter
6.3 Vibration:
10 to 300Hz sweep at a constant acceleration of 1.0G(Breadth: 3.5mm) for 1Hour for each of the
perpendicular axes X, Y, Z
6.4 Drop in:
1 Corner, 3 Edges, 6 Surfaces, Height: 100cm, On the Boards plane, the plug can be bend, and
scratch, but the structure should not be damaged, and can work normally
7. Reliability Requirements
7.1 Burn-in:
The power supply shall be burn-in for 4 Hours under normal input and 80% rated load at 40ºC5ºC
8. EMI/EMS Standards/EMI/EMS
7.1 EMI Standards/EMI: EN55014
7.2 EMS Standards/EMS:
7-2-1 EN 61000-4-2,electrostatic discharge(ESD) requirement
7-2-2 EN 61000-4-3,radiated electromagnetic field susceptibility(rs)
7-2-3 EN 61000-4-4,electric fast transients(burst) immunity requirement
7-2-4 EN 61000-4-5,surge capability requirement
7-2-5 EN 61000-4-6, Induced radio frequency fields conducted disturbances immunity requirement
9. Safety Standards
9.1 Dielectric Strength(Hi-pot):
Primary to Secondary: 3000Vac / 10mAMax / 60 second
9.2 Leakage Current:
0.25mAmax. at 264Vac / 50Hz
9.3 Insulation Resistance:
50MΩ min. at primary to secondary add 500Vdc test voltage
9.4 Regulatory Standards :
| Type. |
Country. |
Standard. |
State. |
Note. |
| UL/cUL |
USA/Canada |
UL60950 |
PASS |
|
| FCC-EMC |
USA/Canada |
Part15 Class B |
PASS |
|
| CE/GS/CB |
Europe |
EN61558 |
PASS |
|
| CE-EMC |
Europe |
EN55014 |
PASS |
|
Safety Certification Standards
| Phenomenon |
Standard |
| EMC |
EN 55022:2010 |
| |
EN 55024:2010 |
| |
EN 61000-3-2 |
| |
EN 61000-3-3 |
| CE |
EN 60950 |
| |
EN 61558 |
| GS |
EN 60950 |
| CB |
EN 60950 |
| UL/cUL |
UL 60950 (UL No.: E361658) |
| FCC |
47 CFR FCC Part 15 Subpart B:2013 |
| |
ANSI C63.4:2009 |
| PSE |
J60950 / J55022 / J55023 / J55024 |
| SAA |
AS/NZS 60950 |
| IRAM |
IEC60950 / IRAM 2063:2009 |
ISO9001:2008 system is fully implemented in our management. Our products have passed most of safety
approvals in the world, including UL, cUL, FCC, PSE, GS, CE, SAA, CCC, C-tick, CB, etc.
10. Lable of ac dc power adapter :
11. DC Wire of Adapter :
UL2464 20AWG L=1.5m or 1.8m
OEM&ODM
12. Package of dc adapter :
13. About Merryking Factory :
14. Contact Detial :
Nikki Xiang
Cell Phone:+86-159-1408-5671
merryking.en.made-in-china.com
Audited Supplier 
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