PT6460 Datasheet, PDF (8/10 Pages) Texas Instruments – 14-A 5-V Input Adjustable Integrated Switching Regulator

Application Notes continued
PT6460, PT6470 Series
Table 3-2
ISR ADJUSTMENT RESISTOR VALUES
Series Pt. Nos.
5.0V Bus:
PT6461
PT6462
3.3V Bus:
V_o (nom)
Va (req.d)
N/A
3.3 V
PT6472
2.5 V
3.60
2.3 kΩ
3.55
7.7 kΩ
3.50
15.9 kΩ
3.45
29.5 kΩ
3.40
56.7 kΩ
3.35
138.0 kΩ
3.30
3.25
(475.0) kΩ
3.20
(220.0) kΩ
3.15
(135.0) kΩ
3.10
(92.4) kΩ
3.05
(66.9) kΩ
3.00
(49.9) kΩ
2.95
(37.5) kΩ
2.90
(28.6) kΩ
2.85
(21.6) kΩ
2.80
(15.9) kΩ
3.6 kΩ
2.75
(11.3) kΩ
9.3 kΩ
2.70
(7.4) kΩ
17.9 kΩ
2.65
(4.1) kΩ
32.2 kΩ
2.60
(1.3) kΩ
60.7 kΩ
2.550
146.0 kΩ
2.500
2.450
See note 4 (328.0) kΩ
2.400
(146.0) kΩ
2.350
(85.7) kΩ
2.300
(55.3) kΩ
2.250
(37.2) kΩ
2.200
(25.0) kΩ
2.150
(16.4) kΩ
2.100
(9.9) kΩ
2.050
(4.8) kΩ
2.000
(0.8) kΩ
R₁ = Black R₂ = (Blue)
Va (req.d)
2.300
2.250
2.200
2.150
2.100
2.050
2.000
1.950
1.900
1.850
1.800
1.750
1.700
1.650
1.600
1.550
1.500
1.475
1.450
1.425
1.400
1.375
1.350
1.325
1.300
1.275
1.250
1.225
1.200
1.175
1.150
1.125
1.100
1.075
1.050
1.025
1.000
0.975
0.950
PT6463
PT6473
2.0 V
1.8 kΩ
7.1 kΩ
15.1 kΩ
28.4 kΩ
55.1 kΩ
135.0 kΩ
(205.0) kΩ
(85.1) kΩ
(45.1) kΩ
(25.1) kΩ
(13.1) kΩ
(5.1) kΩ
PT6464
PT6474
1.8 V
2.3 kΩ
7.7 kΩ
15.9 kΩ
29.5 kΩ
56.7 kΩ
138.0 kΩ
(169.0) kΩ
(66.9) kΩ
(32.9) kΩ
(15.9) kΩ
(5.7) kΩ
PT6465
PT6475
1.5 V
PT6466
PT6476
1.2 V
PT6467
PT6477
1.0V
1.1 kΩ
6.3 kΩ
14.1 kΩ
27.2 kΩ
53.2 kΩ
131.0 kΩ
(239.0) kΩ
(102.0) kΩ
(56.4) kΩ
(33.7) kΩ
(20.0) kΩ
(10.9) kΩ
(4.4) kΩ
1.8 kΩ
4.2 kΩ
7.1 kΩ
10.7 kΩ
15.1 kΩ
20.8 kΩ
28.4 kΩ
39.1 kΩ
55.1 kΩ
81.8 kΩ
135.0 kΩ
295.0 kΩ
(125.0) kΩ
(45.1) kΩ
(18.4) kΩ
(5.1) kΩ
2.3 kΩ
4.8 kΩ
7.7 kΩ
11.4 kΩ
15.9 kΩ
21.7 kΩ
29.5 kΩ
40.4 kΩ
56.7 kΩ
83.9 kΩ
138.0 kΩ
302.0 kΩ
(46.5) kΩ
(5.7) kΩ
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