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Appendix B Table Data – Buck Configuration. (Exchange Diode and Inductor, Reverse Bulk
Cap Polarity) Efficiency Calculated using Pout = Vout × Iout
LED Voltage ~12V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 8.21 0.977 20.5 12.55 0.516 6.476 78.88
120 8.87 0.965 22.53 12.58 0.547 6.881 77.58
135 8.92 0.953 24.26 12.63 0.57 7.199 80.71
LED Voltage ~18V
Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
Vin (RMS)
(%)
100 10.68 0.984 17.72 18.46 0.485 8.953 83.83
120 11.39 0.985 16.25 18.56 0.51 9.466 83.10
135 12.05 0.981 16.95 18.64 0.533 9.935 82.45
LED Voltage ~25V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 12.75 0.979 19.62 24.12 0.456 10.999 86.26
120 13.61 0.988 15.49 24.25 0.482 11.689 85.88
135 14.4 0.989 14.28 24.36 0.505 12.302 85.43
LED Voltage ~30V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 14.58 0.974 21.94 29.43 0.435 12.802 87.81
120 15.77 0.984 17.35 29.63 0.467 13.837 87.74
135 16.24 0.988 15.68 29.67 0.478 14.182 87.33
LED Voltage ~35V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 16.19 0.967 24.99 34.76 0.414 14.391 88.89
120 17.51 0.98 19.52 34.89 0.446 15.561 88.87
135 17.35 0.985 17.33 35.08 0.457 16.032 92.40
LED Voltage ~40V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 17.77 0.958 28.46 40.69 0.392 15.950 89.76
120 19.32 0.974 22.24 41.04 0.423 17.360 89.85
135 19.94 0.981 19.56 41.12 0.435 17.887 89.71
LED Voltage ~46V
Vin (RMS) Pin PF %THD Vout Iout Pout Calc Calc Pout Eff
(%)
100 18.96 0.95 31.46 45.74 0.374 17.107 90.23
120 20.69 0.968 24.68 46.16 0.405 18.695 90.36
135 21.36 0.976 21.67 46.25 0.417 19.286 90.29
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Table Data – Buck Configuration. (Exchange Diode and Inductor, Reverse SLVU813A–November 2012–Revised June 2013
Bulk Cap Polarity) Efficiency Calculated using Pout = Vout × Iout
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