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RP75H-4824SRW Datasheet(PDF) 6 Page - Recom International Power |
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RP75H-4824SRW Datasheet(HTML) 6 Page - Recom International Power |
6 / 15 page OUTPUT TRIM continued on next page PB-6 REV.: 1/2016 www.recom-power.com DC/DC Converter Specifications (measured @ ta= 25°C, nominal input voltage, full load and after warm-up) RP75H-RW Series RP75H-xx05SRW RP75H-xx12SRW RP75H-xx15SRW RP75H-xx24SRW RP75H-xx48SRW Trim Down all Vout‘s Trim up 1 2 3 4 5 6 7 8 9 10 % Vout = 5.05 5.10 5.15 5.20 5.25 5.30 5.35 5.4 5.45 5.50 Volts R 1 = 309 158 105 78.7 63.4 53.6 46.4 40.2 36.5 33.2 KOhms Trim up 1 2 3 4 5 6 7 8 9 10 % Vout = 12.12 12.24 12.36 12.48 12.60 12.72 12.84 12.96 13.08 13.20 Volts R 1 = 887 453 301 226 182 154 133 118 105 95.3 KOhms Trim up 1 2 3 4 5 6 7 8 9 10 % Vout = 15.15 15.30 15.45 15.60 15.75 15.90 16.05 16.20 16.35 16.50 Volts R 1 = 1130 576 383 294 237 196 169 150 137 124 KOhms Trim up 1 2 3 4 5 6 7 8 9 10 % Vout = 24.24 24.48 24.72 24.96 25.20 25.44 25.68 25.92 26.16 26.40 Volts R 1 = 1870 953 634 487 392 324 280 249 226 205 KOhms Trim up 1 2 3 4 5 6 7 8 9 10 % Vout = 48.48 48.96 49.44 49.92 50.40 50.88 51.36 51.84 52.32 52.80 Volts R 1 = 3830 1960 1300 988 806 681 576 511 464 422 KOhms Trim down 1 2 3 4 5 6 7 8 9 10 % R 2 = 97.6 47.5 31.6 23.2 17.8 14.7 12.1 10.5 9.09 8.06 KOhms Trim down 11 12 13 14 15 16 17 18 19 20 % R 2 = 7.15 6.34 5.76 5.11 4.64 4.22 3.92 3.57 3.24 3.01 KOhms Trim Calculation Vout = Output Voltage R 1 = q100*Vout+DVout*Vout) - (100+2DVout)rkΩ DVout = Output Voltage Trim in % 1.225* DVout DVout R1 = trim up resistor R2 = trim down resistor R 2 = q 100 -2rkΩ DVout Practical Example: Trim Up: Vout = 5V, DVout = 10% (5.5V) R 1 = q100*Vout+DVout*Vout) - (100+2DVout) rkΩ =100*5+10*5 -100+2*10 = 44.89-12 =33.2kΩ 1.225* DVout DVout 1.225*10 10 Trim down: Vout = 5V, DVout = -10% (4.5V) R 2 = q 100 -2rkΩ= 100-2= 8.06kΩ DVout 10 |
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