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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN4116 датащи(PDF) 17 Page - STMicroelectronics |
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AN4116 датащи(HTML) 17 Page - STMicroelectronics |
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17 / 38 page  AN4116 Testing the board Doc ID 023220 Rev 1 17/38 Figure 21. Active mode efficiency of the demonstration board and comparison with energy efficiency standards (IC externally biased) 5.5 Light load performance The input power of the converter has been measured in no load condition for different input voltages and the results are reported in Table 6. In version 4 of the Code of Conduct, also the power consumption of the power supply when it is no loaded is considered. The criteria to be compliant with are reported in Table 7 below: The performance of the presented board (when the self-supply function is not used) is much better than required; the power consumption is more than ten times lower than the limit fixed by version 4 of the Code of Conduct. Even though the performance seems to be AM11696v1 65 67 69 71 73 75 77 79 81 83 85 0.2 0.4 0.6 0.8 1 Iout [% I OUT ] 115 230 av @ 115Vac av @ 230Vac DOE limit CoC4 limit Table 6. No load input power VIN [VAC] PIN [mW] IC externally biased IC self-biased 90 17.2 108 115 18.3 137 150 20.2 178 180 22.1 213 230 25.9 273 265 28.5 314 Table 7. Energy consumption criteria for no load Nameplate output power (Pno) Maximum power in no load for AC-DC EPS 0 W ≤ Pno ≤ 50 W < 0.3 W 50 W < Pno < 250 W < 0.5 W |
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