SLVUCP2 September   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Start-Up Procedure
    2. 2.2 Input, Output Connections
    3. 2.3 Modifications
      1. 2.3.1 Output Voltage Setpoint
      2. 2.3.2 Mode Selection
      3. 2.3.3 Adjustable UVLO
  8. 3Implementation Results
    1. 3.1 Test Setup and Results
      1. 3.1.1 Output Voltage Ripple
      2. 3.1.2 Start-Up
      3. 3.1.3 Shutdown
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  10. 5Additional Information
    1.     Trademarks
  11. 6Reference

2.3.2 Mode Selection

TPSM86838 has a MODE pin that can offer two different options of fsw, as shown in below table.

Table 2-3 MODE Pin Settings
MODE PinSwitching Frequency
R = 162 kohm800 kHz
R = 374 kohm1.2 MHz