PT6440 Datasheet, PDF (6/8 Pages) Texas Instruments – 6-A 5-V/3.3-V Input Adjustable Integrated Switching Regulator

Application Notes continued
PT6440 Series
Table 2
ISR ADJUSTMENT RESISTOR VALUES
Series Pt. #
V_o (nom)
Va (req.d)
PT6441
3.3
PT6442
2.5
0.97
1.0
1.05
1.1
1.15
1.2
1.25
1.3
1.35
1.4
1.45
1.5
1.55
1.6
1.65
1.7
1.75
1.8
1.85
1.9
1.95
2.0
(2.0)kΩ
2.05
(5.6)kΩ
2.1
(10.0)kΩ
2.15
(15.7)kΩ
2.2
(23.3)kΩ
2.25
(34.0)kΩ
2.3
(50.0)kΩ
2.35
(76.7)kΩ
2.4
(130.0)kΩ
2.45
(284.0)kΩ
2.5
2.55
160.0kΩ
2.6
70.0kΩ
2.65
40.0kΩ
2.7
25.0kΩ
2.75
16.0kΩ
2.8
10.0kΩ
2.85
5.7kΩ
2.9
(0.0kΩ
2.5kΩ
2.95
(8.5)kΩ
0.0kΩ
3.0
(20.1)kΩ
3.05
(36.1)kΩ
3.1
(60.1)kΩ
3.15
(100.0)kΩ
3.2
(180.0)kΩ
3.25
(420.0)kΩ
3.3
3.35
130.0kΩ
3.4
40.1kΩ
3.45
10.1kΩ
3.48
0.0kΩ
R1 = (Blue) R2 = Black
PT6443
2.0
(1.4)kΩ
(6.7)kΩ
(14.0)kΩ
(25.0)kΩ
(43.3)kΩ
(80.0)kΩ
(190.0)kΩ
160.0kΩ
70.0kΩ
40.0kΩ
25.0kΩ
16.0kΩ
10.0kΩ
5.7kΩ
2.5kΩ
0.0kΩ
PT6444
1.8
(0.0)kΩ
(6.0)kΩ
(15.0)kΩ
(30.0)kΩ
(60.0)kΩ
(150.0)kΩ
160.0kΩ
70.0kΩ
40.0kΩ
25.0kΩ
16.0kΩ
10.0kΩ
5.7kΩ
2.5kΩ
0.0kΩ
PT6445
1.5
(0.0)kΩ
(10.0)kΩ
(30.0)kΩ
(90.0)kΩ
160.0kΩ
70.0kΩ
40.0kΩ
25.0kΩ
16.0kΩ
10.0kΩ
5.7kΩ
2.5kΩ
0.0kΩ
PT6446
1.2
(0.0)kΩ
(30.0)kΩ
160.0kΩ
70.0kΩ
40.0kΩ
25.0kΩ
16.0kΩ
10.0kΩ
5.7kΩ
2.5kΩ
0.0kΩ
PT6447
1.0
(0.4)kΩ
164.0kΩ
71.8kΩ
41.2kΩ
25.9kΩ
16.7kΩ
10.6kΩ
6.2kΩ
3.0kΩ
0.4kΩ
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