SLVUB56A July   2017  – September 2021 TPS54424

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Adjustable UVLO
  3. 2Test Setup and Results
    1. 2.1  Input/Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Regulation
    4. 2.4  Load Transient and Loop Response
    5. 2.5  Output Voltage Ripple
    6. 2.6  Input Voltage Ripple
    7. 2.7  Powering Up
    8. 2.8  Powering Down
    9. 2.9  Start-Up Into Pre-Bias
    10. 2.10 Hiccup Mode Current Limit
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

1.3.1 Output Voltage Setpoint

The output voltage is set by the resistor divider network of R8 and R6. R6 is fixed at 6.04 kΩ. To change the output voltage of the EVM, it is necessary to change the value of resistor R8. Changing the value of R6 can change the output voltage above the 0.6-V reference voltage VREF. The value of R8 for a specific output voltage can be calculated using Equation 1.

Equation 1. GUID-8BF1728D-9FD2-4254-A8B1-681506B7E5BF-low.gif
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