SLVUA33A March   2014  – July 2021 TPS563900

 

  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 Slow-Start Time
      3. 1.3.3 Adjustable UVLO
  3. 2Test Setup and Results
    1. 2.1 Input/Output Connections
    2. 2.2 Efficiency
    3. 2.3 Output Voltage Load Regulation
    4. 2.4 Output Voltage Line Regulation
    5. 2.5 Load Transients
    6. 2.6 Loop Characteristics
    7. 2.7 Output Voltage Ripple
    8. 2.8 Powering Up
    9. 2.9 Shutting Down
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
    3. 4.3 Reference
  6. 5Revision History

2.6 Loop Characteristics

Figure 2-19 and Figure 2-20 show the TPS563900EVM-574 loop-response characteristics when the output voltage is set by the external resistor divider network. Gain and phase plots are shown for VIN voltage of 12 V. Load current for the measurement is 1.75 A.

GUID-1F38D8EF-B13E-4D74-BF52-5AB8C04F774D-low.pngFigure 2-19 TPS563900EVM-574 Loop Response, VOUT1 Set by Resistor Divider
GUID-79DB2BB0-4E60-4A1F-B595-A88D7DF133F0-low.pngFigure 2-20 TPS563900EVM-574 Loop Response, VOUT2 Set by Resistor Divider