SLUUCF9A March 2021 – April 2021 TPS566231 , TPS566238
3 Output Voltage Setpoint
To change the output voltage of the EVM, it is necessary to change the value of resistor R4 (Rupper) and R5 (Rlower). The value of R4 and R5 for a specific output voltage can be calculated using Equation 1 and refer to Table 3-1 for some recommendation values.
Equation 1. 
Table 3-1 Recommended Component
Values
| VOUT (V) | RLOWER (kΩ) | RUPPER (kΩ) | LOUT (μH) | COUT (μF) | CFF (PF) | |||
|---|---|---|---|---|---|---|---|---|
| MIN | TYP | MAX | MIN | MAX | ||||
| 0.6 | 10 | 0 | 0.68 | 1 | 4.7 | 44 | 220 | - |
| 1 | 30 | 20 | 0.68 | 1 | 4.7 | 44 | 220 | - |
| 1.8 | 20 | 40 | 1 | 1.5 | 4.7 | 44 | 220 | 0-50 |
| 3.3 | 20 | 90 | 1.5 | 2.2 | 4.7 | 44 | 220 | 10-100 |
| 5.0 | 30 | 220 | 1.5 | 2.2 | 4.7 | 44 | 220 | 10-100 |