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PT6447 Datasheet, PDF (6/8 Pages) Texas Instruments – 6-A 5-V/3.3-V Input Adjustable Integrated Switching Regulator | |||
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Application Notes continued
PT6440 Series
Table 2
ISR ADJUSTMENT RESISTOR VALUES
Series Pt. #
Vo (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)kâ¦
2.05
(5.6)kâ¦
2.1
(10.0)kâ¦
2.15
(15.7)kâ¦
2.2
(23.3)kâ¦
2.25
(34.0)kâ¦
2.3
(50.0)kâ¦
2.35
(76.7)kâ¦
2.4
(130.0)kâ¦
2.45
(284.0)kâ¦
2.5
2.55
160.0kâ¦
2.6
70.0kâ¦
2.65
40.0kâ¦
2.7
25.0kâ¦
2.75
16.0kâ¦
2.8
10.0kâ¦
2.85
5.7kâ¦
2.9
(0.0kâ¦
2.5kâ¦
2.95
(8.5)kâ¦
0.0kâ¦
3.0
(20.1)kâ¦
3.05
(36.1)kâ¦
3.1
(60.1)kâ¦
3.15
(100.0)kâ¦
3.2
(180.0)kâ¦
3.25
(420.0)kâ¦
3.3
3.35
130.0kâ¦
3.4
40.1kâ¦
3.45
10.1kâ¦
3.48
0.0kâ¦
R1 = (Blue) R2 = Black
PT6443
2.0
(1.4)kâ¦
(6.7)kâ¦
(14.0)kâ¦
(25.0)kâ¦
(43.3)kâ¦
(80.0)kâ¦
(190.0)kâ¦
160.0kâ¦
70.0kâ¦
40.0kâ¦
25.0kâ¦
16.0kâ¦
10.0kâ¦
5.7kâ¦
2.5kâ¦
0.0kâ¦
PT6444
1.8
(0.0)kâ¦
(6.0)kâ¦
(15.0)kâ¦
(30.0)kâ¦
(60.0)kâ¦
(150.0)kâ¦
160.0kâ¦
70.0kâ¦
40.0kâ¦
25.0kâ¦
16.0kâ¦
10.0kâ¦
5.7kâ¦
2.5kâ¦
0.0kâ¦
PT6445
1.5
(0.0)kâ¦
(10.0)kâ¦
(30.0)kâ¦
(90.0)kâ¦
160.0kâ¦
70.0kâ¦
40.0kâ¦
25.0kâ¦
16.0kâ¦
10.0kâ¦
5.7kâ¦
2.5kâ¦
0.0kâ¦
PT6446
1.2
(0.0)kâ¦
(30.0)kâ¦
160.0kâ¦
70.0kâ¦
40.0kâ¦
25.0kâ¦
16.0kâ¦
10.0kâ¦
5.7kâ¦
2.5kâ¦
0.0kâ¦
PT6447
1.0
(0.4)kâ¦
164.0kâ¦
71.8kâ¦
41.2kâ¦
25.9kâ¦
16.7kâ¦
10.6kâ¦
6.2kâ¦
3.0kâ¦
0.4kâ¦
For technical support and more information, see inside back cover or visit www.ti.com
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