Application Notes continued
PT6920/PT6930 Series
Table 2
PT6920/PT6930 ADJUSTMENT RESISTOR VALUES
Output Bus
Vo1
Vo2
Series Pt#
StandardCase PT6921/6922
ExcaliburCase PT6931/6932
PT6921
PT6931
(R1)/R2
2.5Vdc
PT6922
PT6932
(R1)/R2
1.5Vdc
PT6933
(R1)/R2
1.8Vdc
Adj Resistor
Vo(nom)
(R3)/R4
3.3Vdc
V (req’d)
a
1.2
(0.0)kΩ
(3.3)kΩ
(0.0)kΩ
(1.2)kΩ
1.25
1.3
(8.2)kΩ
(2.7)kΩ
1.35
1.4
(16.3)kΩ
(32.6)kΩ
(81.4)kΩ
(4.5)kΩ
(6.7)kΩ
1.45
1.5
(9.5)kΩ
(13.3)kΩ
(18.7)kΩ
(26.7)kΩ
(40.0)kΩ
(66.7)kΩ
(147.0)kΩ
1.55
1.6
189.0kΩ
91.1kΩ
58.6kΩ
42.3kΩ
32.6kΩ
26.0kΩ
21.4kΩ
17.9kΩ
15.2kΩ
13.0kΩ
11.3kΩ
9.8kΩ
8.5kΩ
7.5kΩ
6.5kΩ
5.7kΩ
5.0kΩ
4.4kΩ
3.8kΩ
3.3kΩ
2.8kΩ
2.4kΩ
2.0kΩ
1.6kΩ
1.3kΩ
1.0kΩ
0.7kΩ
0.5kΩ
0.2kΩ
0.0kΩ
1.65
1.7
1.75
1.8
(0.0)kΩ
(1.6)kΩ
1.85
1.9
197.0kΩ
96.7kΩ
63.3kΩ
46.7kΩ
36.7kΩ
30.0kΩ
25.3kΩ
21.7kΩ
18.9kΩ
16.7kΩ
14.9kΩ
13.3kΩ
12.1kΩ
11.0kΩ
10.0kΩ
9.2kΩ
(3.5)kΩ
1.95
2.0
(5.8)kΩ
(8.5)kΩ
2.05
2.1
(11.8)kΩ
(16.0)kΩ
(21.4)kΩ
(28.5)kΩ
(38.5)kΩ
(53.5)kΩ
(78.5)kΩ
(129.0)kΩ
(279.0)kΩ
2.15
2.2
2.25
2.3
(3.4)kΩ
(4.8)kΩ
2.35
2.4
(6.5)kΩ
2.45
2.5
(8.3)kΩ
(10.3)kΩ
(12.6)kΩ
(15.2)kΩ
(18.2)kΩ
(21.8)kΩ See Note 3
(26.0)kΩ
(31.0)kΩ
(37.1)kΩ
(44.8)kΩ
(54.6)kΩ
(67.8)kΩ
(86.2)kΩ
(114.0)kΩ
(160.0)kΩ
(252.0)kΩ
(528.0)kΩ
2.55
2.6
189.0kΩ
88.5kΩ
55.2kΩ
38.5kΩ
28.5kΩ
21.8kΩ
17.1kΩ
13.5kΩ
10.7kΩ
8.5kΩ
2.65
2.7
8.4kΩ
7.8kΩ
2.75
2.8
7.2kΩ
6.7kΩ
2.85
2.9
6.2kΩ
5.8kΩ
2.95
3.0
5.4kΩ
5.0kΩ
3.05
3.1
3.15
3.2
3.25
3.3
3.4
111.0kΩ See Note 5
49.6kΩ
3.5
3.6
29.0kΩ
R1/R3 = (Blue)
R2/R4 = Black
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