SLUUC76B November   2019  – April 2021 TPS566231

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Output Voltage Setpoint
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up Procedure
    3. 4.3 Start-Up
    4. 4.4 Shut-Down
    5. 4.5 Output Voltage Ripple
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Board Profile, Schematic, and List of Materials
    1. 6.1 Board Profile
    2. 6.2 Schematic
    3. 6.3 List of Materials
  8. 7References
  9. 8Revision History

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. GUID-70F7FC62-93F2-4585-835E-7323E5F5533C-low.gif
Table 3-1 Recommended Component Values
VOUT (V)RLOWER (kΩ)RUPPER (kΩ)LOUT (µH)COUT (µF)CFF (PF)
MINTYPMAXMINMAX
0.61000.6814.744220-
130200.6814.744220-
1.8204011.54.7442200-50
3.320901.52.24.74422010-100
5.0302201.52.24.74422010-100