AC-DC 10W 5V 2A Test Report
SMPS 5V2A sample
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Top side |
Bottom side |
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Test Result
1. Input Characteristics
1.1. Maximum rated input AC current
Input 180Vac 47-63Hz full load
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VIN(AC) |
180VAC |
198VAC |
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IIN_RMS |
0.155A |
0.147A |
1.2. No Load Input Power Dissipation
Standard: Single range input 230Vac and the output is no load, the input power loss must be less than 0.1W
Result: PASS.
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VIN(AC) |
230VAC |
Requirements |
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Pout = 0W |
68mW |
<0.1W |
1.3. Average Efficiency
Standard: Single range 230Vac
Test Condition: on PCB
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Vin(Vac) |
Fline(Hz) |
Iout(A) |
Vout(V) |
Pout(W) |
Pin(W) |
Eff (%) |
Eff_AVG(%) |
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230 |
50 |
2 |
5.15 |
10.3 |
13.26 |
77.68 |
77.72 |
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1.5 |
5.145 |
7.72 |
9.91 |
77.90 |
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1 |
5.125 |
5.12 |
6.56 |
78.05 |
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0.5 |
5.105 |
2.55 |
3.3 |
77.27 |
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0.2 |
5.06 |
1.012 |
1.372 |
73.76 |
73.76 |
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No Load |
5.05 |
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0.068 |
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2. Output Characteristics
2.1. Ripple & Noise
Standard: under the input voltage 180Vac~264Vac, output on PCB, Vripple <80mVp-p
Waveforms (198Vac & 264Vac):
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Test Condition: 180Vac/50Hz Input, 5V/2A Output |
Test Condition: 180Vac/50Hz Input, 5V/0A Output |
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VOUT_RIPPLE_PP = 48mVp-p
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VOUT_RIPPLE_PP = 40.8mVp-p
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Test Condition: 264Vac/50Hz Input, 5V/2A Output |
Test Condition: 264Vac/50Hz Input, 5V/0A Output |
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VOUT_RIPPLE_PP = 47.2 mVp-p
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VOUT_RIPPLE_PP = 32.8 mVp-p |
2.2. Output Voltage / Current Characteristics
Standard: Output voltage regulation ±5%
2.3. Start Time & Rise Time
Waveforms:
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Test Condition: 180Vac/50Hz Input, 5V/2A Output |
Test Condition: 180Vac/50Hz Input, 5V/2A Output |
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TSTARTUP = 1.8s |
TRISE = 9.6ms |
2.4. Hold-up Time
Waveforms:
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Test Condition: 180Vac/50Hz Input, 5V/2A Output |
Test Condition: 264Vac/50Hz Input, 5V/2A Output |
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Tholdup = 28ms |
Tholdup = 70.6ms |
2.5. Output Overshoot
Waveforms:
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Test Condition: 180Vac/50Hz Input, 5V/0A Output |
Test Condition: 180Vac/50Hz Input, 5V/2A Output |
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Vovershoot = 0mV |
Vovershoot = 0mV |
2.6. Load Transient Test
Waveforms:
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Test Condition: 180Vac/50Hz Input, 10% to 90%,10ms, 50% |
Test Condition: 180Vac/50Hz Input,10% to 90%, 500ms, 50% |
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VH=5.46V, VL=4.96V |
VH=5.46V, VL=4.8V |
3. Protection Requirements
3.1. Over Current Protection
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Input Voltage |
OCP(A) |
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180Vac/50Hz |
2.31 |
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230Vac/50Hz |
2.31 |
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264Vac/50Hz |
2.31 |
3.2. Short Circuit Protection
Waveforms:
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Test Condition: 264Vac/50Hz Input, 2A to short |
Test Condition: 264Vac/50Hz Input, short to 2A |
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CH1-VOUT, CH2-VCE |
CH1-VOUT, CH2-VCE |
4. EMI
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Test Condition: 230Vac/50Hz Input, 5V/2A Output |
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Conduction EMI - Line |
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Test Condition: 230Vac/50Hz Input, 5V/2A Output |
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Radiated EMI |
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