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DCQA100-12S24RH3 Datasheet(PDF) 4 Page - Wall Industries,Inc. |
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DCQA100-12S24RH3 Datasheet(HTML) 4 Page - Wall Industries,Inc. |
4 / 7 page Rev C DCQA100 SERIES Up to 108 Watts, Quarter-Brick DC/DC Converters 11/14/2013 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778- 9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 4 of 7 OUTPUT VOLTAGE ADJUSTMENT Output is adjustable for 10% trim up or -20% trim down of nominal output voltage by connecting an external resistor between the TRIM pin and either the +SENSE or -SENSE pins. With an external resistor between the TRIM and -SENSE pin, the output voltage set decreases. With an external resistor between the TRIM and +SENSE pin, the output voltage set point increases. Maximum output deviation is +10% inclusive of remote sense. The external trim resistor needs to be at least 1/8 of rated powerThe value of the external resistor can be obtained by the equations below. Trim Up Equation Trim Down Equation TRIM UP 3.3V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 3.333 3.366 3.399 3.432 3.465 3.498 3.531 3.564 3.597 3.630 RU (kΩ) 869.117 436.331 292.07 219.939 176.66 147.808 127.198 111.742 99.72 90.103 5V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 5.05 5.10 5.15 5.20 5.25 5.30 5.35 5.40 5.45 5.50 RU (kΩ) 1585.35 797.994 535.542 404.316 325.58 273.09 235.596 207.479 185.605 168.109 12V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 12.12 12.24 12.36 12.48 12.60 12.72 12.84 12.96 13.08 13.20 RU (kΩ) 4534.55 2287.19 1538.08 1163.52 938.78 788.956 681.939 601.676 539.25 489.309 15V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 15.15 15.30 15.45 15.60 15.75 15.90 16.05 16.20 16.35 16.50 RU (kΩ) 5798.49 2925.42 1967.73 1488.89 1201.58 1010.04 873.229 770.619 690.812 626.966 24V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 24.24 24.48 24.72 24.96 25.20 25.44 25.68 25.92 26.16 26.40 RU (kΩ) 9590.32 4840.11 3256.7 2465 1989.98 1673.3 1447.1 1277.45 1145.5 1039.94 30V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 30.3 30.6 30.9 31.2 31.5 31.8 32.1 32.4 32.7 33 RU (kΩ) 12118.2 6116.57 4116.02 3115.74 2515.58 2115.47 1829.68 1615.33 1448.62 1315.25 48V Output Models ΔV (%) 1 2 3 4 5 6 7 8 9 10 Vout (V) 48.48 48.96 49.44 49.92 50.40 50.88 51.36 51.84 52.32 52.80 RU (kΩ) 19701.9 9945.94 6693.96 5067.97 4092.38 3441.99 2977.42 2628.99 2357.99 2141.19 TRIM DOWN All Outputs ΔV (%) 1 2 3 4 5 6 7 8 9 10 RD (kΩ) 500.78 245.28 160.113 117.53 91.98 74.947 62.78 53.655 46.558 40.88 ΔV (%) 11 12 13 14 15 16 17 18 19 20 RD (kΩ) 36.235 32.363 29.088 26.28 23.847 21.718 19.839 18.169 16.675 15.33 Ω − ∆ = K R D 22 . 10 % 511 ( ) ( ) Ω ∆ ∆ + − ∆ ∆ + = K V R OUT U % % 22 . 10 511 % 225 . 1 % 100 11 . 5 |
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