PTEA404120 Datasheet, PDF (11/14 Pages) Texas Instruments – 50-W, 48-V INPUT, 12-V OUTPUT, ISOLATED DC/DC CONVERTER

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V_O (nom)
% Adjust (V)
+10
+9
+8
+7
+6
+5
+4
+3
+2
+1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
–13
–14
–15
–16
–17
–18
–19
–20
–25
–30
–35
–40
PTEA404120
SLTS274A – DECEMBER 2006 – REVISED JANUARY 2007
Table 3. Adjustment Resistor Values
Adjusted Output Voltage (V)
12 V
13.200
13.080
12.960
12.840
12.720
12.600
12.480
12.360
12.240
12.120
12.000
11.880
11.760
11.640
11.520
11.400
11.280
11.160
11.040
10.920
10.800
10.680
10.560
10.440
10.320
10.200
10.080
9.960
9.840
9.720
9.600
9.000
8.400
7.800
7.200
Trim-Up R_ADJ
12 V
R1 (kΩ)
489
539
602
682
789
939
1164
1538
2287
4535
Open
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Trim-Down R_ADJ
12 V
R2 (kΩ)
-
-
-
-
-
-
-
-
-
-
-
501
245
160
118
92.0
74.9
62.8
53.6
46.6
40.9
36.2
32.4
29.1
26.4
23.7
21.5
19.8
18.2
16.7
15.4
10.2
6.81
4.32
2.54
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