SLVU437B October   2011  – June 2021

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification
    3. 1.3 Modifications
      1. 1.3.1 Fixed Output Operation
      2. 1.3.2 Input and Output Capacitors
      3. 1.3.3 Soft-Start Time
      4. 1.3.4 Loop Response Measurement
  3. 2Setup
    1. 2.1 Input/Output Connector Descriptions
    2. 2.2 Setup
  4. 3TPS621x0EVM-505 Test Results
  5. 4Board Layout
  6. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials
  7. 6Revision History

1.3.3 Soft-Start Time

C5 controls the soft-start time of the output voltage on the TPS621x0EVM-505. It can be changed for a shorter or slower ramp up of Vout. Note that as the value of C5 is decreased, the inrush current increases.