Datasheet
Adjusting the TPS76x01/TPS77001 Output Voltage
3-3
Circuit Design
Figure 3–2. Resistor Values
0
200
400
600
800
1000
1200
1400
1600
1800
Output Voltage [V]
0
1
2
3
4
5
6
7
8
9
10
max Value for R1+R2[kΩ]
R1/R2
1.2
1.6
2
2.4
2.8
3.2
3.6
4
4.4
4.8
5.2
5.6
6
6.4
6.8
7.2
7.6
8
8.4
8.8
9.2
10
10.4
10.8
11.2
11.6
12
9.6
max. Value for R1 + R2 – k
Resistor ratio R1/R2
Ω
Table 3–1.Exact Resistor Values
V
out
R1/R2 Maximum Value for R1+R2[kΩ]
1.2 0.018676 171.429
1.3 0.103565 185.714
1.4 0.188455 200.000
1.5 0.273345 214.286
1.6 0.358234 228.571
1.7 0.443124 242.857
1.8 0.528014 257.143
1.9 0.612903 271.429
2 0.697793 285.714
2.1 0.782683 300.000
2.2 0.867572 314.286
2.3 0.952462 328.571
2.4 1.037351 342.857
2.5 1.122241 357.143
2.6 1.207131 371.429
2.7 1.29202 385.714
2.8 1.37691 400.000
2.9 1.4618 414.286
3 1.546689 428.571
3.1 1.631579 442.857
3.2 1.716469 457.143
3.3 1.801358 471.429