Texas Instruments Buck-Boost PFC LED Driver Evaluation Module TPS92075EVM TPS92075EVM Datenbogen
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TPS92075EVM
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
16
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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