SLVUC13 February   2022 TPS62872 , TPS62873

 

  1.   Trademarks
  2. 1Warning and Caution
  3. 2Introduction
    1. 2.1 Performance Specification
    2. 2.2 Modifications
      1. 2.2.1 Input and Output Capacitors
      2. 2.2.2 Output Voltage Setting
      3. 2.2.3 Control Loop Compensation
      4. 2.2.4 Switching Frequency Setting
      5. 2.2.5 I2C Interface
  4. 3Setup
    1. 3.1 Connector Descriptions
    2. 3.2 Hardware Setup
  5. 4TPS62873EVM-143 Test Results
  6. 5Board Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials

2.2.4 Switching Frequency Setting

The switching frequency is set to a default of 2.25 MHz. By changing the values of R3 and R4, the default switching frequency can be changed. For more details, see the TPS6287x-Q1 Low Input Voltage, Adjustable-Frequency Step-Down Converter data sheet.