Datasheet

Application Note
Created by Traco Electronic AG Arp. www.tracopower.com Date: June 9
th
, 2010 / Rev.: 1.2 / Page 53 / 63
100W Single Output
Output Voltage Adjustment (continued)
TRIM EQUATION
Ω








∆
∆+
−
∆
∆+
= K
V
R
OUT
U
%
%2100
%225.1
%)100(
Ω






−
∆
= KR
D
2
%
100
TRIM TABLE
TEP 100-xx10
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 3.333 3.366 3.399 3.432 3.465 3.498 3.531 3.564 3.597 3.630
R
U
(KΩ)=
170.082 85.388 57.156 43.041 34.571 28.925 24.892 21.867 19.515 17.633
TEP 100-xx11
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 5.05 5.10 5.15 5.20 5.25 5.30 5.35 5.40 5.45 5.50
R
U
(KΩ)=
310.245 156.163 104.803 79.122 63.714 53.442 46.105 40.602 36.322 32.898
TEP 100-xx12
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 12.12 12.24 12.36 12.48 12.60 12.72 12.84 12.96 13.08 13.20
R
U
(KΩ)=
887.388 447.592 300.993 227.694 183.714 154.395 133.452 117.745 105.528 95.755
TEP 100-xx13
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 15.15 15.30 15.45 15.60 15.75 15.90 16.05 16.20 16.35 16.50
R
U
(KΩ)=
1134.735 572.490 385.075 291.367 235.143 197.660 170.886 150.806 135.188 122.694
TEP 100-xx15
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 24.24 24.48 24.72 24.96 25.20 25.44 25.68 25.92 26.16 26.40
R
U
(KΩ)=
1876.776 947.184 637.320 482.388 389.429 327.456 283.190 249.990 224.168 203.510
TEP 100-xx16
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 28.28 28.56 28.84 29.12 29.40 29.68 29.96 30.24 30.52 30.80
R
U
(KΩ)=
2206.571 1113.714 749.429 567.286 458.000 385.143 333.102 294.071 263.714 239.429
TEP 100-xx18
Trim up (%) 1 2 3 4 5 6 7 8 9 10
V
OUT
(Volts)= 48.48 48.96 49.44 49.92 50.40 50.88 51.36 51.84 52.32 52.80
R
U
(KΩ)=
3855.551 1946.367 1309.973 991.776 800.857 673.578 582.665 514.480 461.447 419.020
All
Trim down (%) 1 2 3 4 5 6 7 8 9 10
R
D
(KΩ)=
98.000 48.000 31.333 23.000 18.000 14.667 12.286 10.500 9.111 8.000
Trim down (%) 11 12 13 14 15 16 17 18 19 20
R
D
(KΩ)=
7.091 6.333 5.692 5.143 4.667 4.250 3.882 3.556 3.263 3.000