ADP1047  THD&PF

Question

im looking for a pfc for a new application 
 input voltage: 380Vac to 440Vac 50Hz. 
 output voltage: 700V. 750V is possible too. 
 output power 2KW. 
 switching freq: 200Khz. 
 we dont want to use interleave solution. 
 
 the main demand is PF>0.99 and THD<3%. 
 can the ADP1047 meed those damands? 
 
 can you provide the eval board or similar app THD and PF spread sheet results from 20%Load to 100%Load? 
 
 Thanks, 
 Dudu Dayan

EZAdministrator · Accepted Answer

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ADIApproved · Answer

Here is a table of the THD results for the 300W eval board at various power levels.

Vin(V) 
 Vout(V) 
 Pout(W) 
 Power factor 
 THD

90 
 385 
 0

90 
 385 
 43 
 0.98 
 7.7

90 
 385 
 76 
 0.99 
 5.1

90 
 385 
 148 
 >0.99 
 3.1

90 
 385 
 230 
 >0.99 
 1.7

90 
 385 
 300 
 >0.99 
 1.2

120 
 385 
 0

120 
 385 
 43 
 0.95 
 10.3

120 
 385 
 76 
 0.98 
 6.3

120 
 385 
 153 
 >0.99 
 2.5

120 
 385 
 230 
 >0.99 
 2.3

120 
 385 
 300 
 >0.99 
 1.9

150 
 385 
 0

150 
 385 
 43 
 0.91 
 12.2

150 
 385 
 76 
 0.97 
 9.1

150 
 385 
 153 
 0.99 
 4.7

150 
 385 
 230 
 >0.99 
 2.9

150 
 385 
 300 
 >0.99 
 2.4

180 
 385 
 0

180 
 385 
 43 
 0.9 
 15.7

180 
 385 
 76 
 0.93 
 10.8

180 
 385 
 153 
 0.98 
 6.1

180 
 385 
 230 
 0.99 
 3.7

180 
 385 
 300 
 0.99 
 2.9

220 
 385 
 0

220 
 385 
 43 
 
 17.5

220 
 385 
 76 
 0.89 
 10

220 
 385 
 153 
 0.96 
 6.2

220 
 385 
 230 
 0.98 
 3.6

220 
 385 
 300 
 0.99 
 2.5

260 
 385 
 0

260 
 385 
 43 
 0.58 
 42.5

260 
 385 
 76 
 0.83 
 18.6

260 
 385 
 153 
 0.94 
 7.3

260 
 385 
 230 
 0.97 
 4.4

260 
 385 
 300 
 0.98 
 3.2

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ADP1047 THD&PF

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