29V2A charger massage chair charger
1.0 INPUT REQUIREMENTS
The range of input voltage is from 100 to 240VAC .
The range of input frequency is from 47 to 63 Hz .
The maximum input current is1.6A at 100Vac at load2.0A
1.4 INRUSH CURRENT
The inrush current will not exceed 50 A at 240Vac input, cold start, 25℃.
1.5 Input Voltage
Testing Condition:AC100V,+/-10% or AC240V,+/-10% @50/60Hz, no load.
Max. 0.5 W
Max. 0.5 W
1.6 Standby Input Current
1.6.1 Testing Condition: AC100V,+/-10% or AC240V, +/-10% @50/60Hz, no
1.6.2 Efficiency(Input Voltage:115VAC or 230VAC)
The efficiency (watts out / watts in) is higher than 85 % typical while
measuring at nominal line and rated load.
2.0 OUTPUT REQUIREMENTS
2.1 Static load:
Cut Off Current
2.2 Output voltage:
The output voltage shall be statically regulated for all
combinations of load, line and environment including cross
regulation as shown.
2.3 Ripple and Noise
Maximum ripple & Noise
+29.0V / 2.0A
200 mVp-p (Ripple)
400 mVp-p (Noise)
Measument is done by 20MHz bandwidth oscilloscope and terminated
each output with a 10uF capacitor and a 0.1uF capacitor.
Condition: Input 100-240Vac at load current 2A
2.4 Temperature coefficient
5%/℃ typical on all output.
3.0 PROTECTION REQUIREMENT
3.1 Over-voltage protection:
The power supply shall be shutdown when output voltage reaches to its over – voltage protection
trigger point 38V
3.2 Over-current protection:
When operating any output under any line condition, into an over
load condition for an indefinite period of time. The power supply
shall be self – recovering when fault condition remove.
4.0 ENVIRONMENTAL CONDITIIONS
The power supply shall be capable of operating continuously in any
mode without performance deterioration in the following
4.1.1 Ambient Temperature:0℃ ~40℃
4.1.2 Relative Humidity: 20% ~ 95%
4.2 Non - operating:
The power supply shall be capable of standing the following
environmental conditions extended periods of time, without
sustaining electrical or mechanical damage and subsequent
4.2.1 Ambient Temperature: 0℃ ~ 70℃
4.2.2 Relative Humidity: 20% ~ 95%
5.1 Cord bending test
The DC cord shall withstand weight of 500g,it swing from left to
right at angle of 120 degree, 40 times per min, more than 1000 times.
5.2 Strain relief test
Fix the main part of the adapter ,Plug and cord at their normal position applied a weight of 5 Kg to
output for 15 seconds.
5.3 Vibration test
Time: 10times per directions (X,Y,and Z)
The weight of the power supply: Approx. 280 g
5.5 Physical Dimensions
The dimension of the power supply is118MM(L)X 60.3MM(W)X37.2M(H)
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Sample time : 3-5days
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All product warranty 3 years(One years damage manufacture one to
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