SLVU157A March   2006  – October 2021 TPS5430 , TPS5431

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Set Point
  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 Input Voltage Ripple
    9. 2.9 Powering Up
  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

2.1 Input/Output Connections

The TPS5430EVM-173 and TPS5431EVM-173 are provided with input/output connectors and test points as shown in Table 2-1. A power supply capable of supplying 3 A must be connected to J1 through a pair of 20 AWG wires. The load must be connected to J3 through a pair of 20 AWG wires. The maximum load current capability should be 3 A. Wire lengths must be minimized to reduce losses in the wires. Test-point TP1 provides a place to monitor the VIN input voltages with TP2 providing a convenient ground reference. TP3 is used to monitor the output voltage with TP4 as the ground reference.

Table 2-1 EVM Connectors and Test Points
Reference Designator Function
J1 VIN (see Table 1-1 for Vin range)
J2 OUT, 5 V at 3 A maximum
JP1 2-pin header for enable. Connect EN to ground to disable, open to enable.
TP1 VIN test point at VIN connector
TP2 GND test point at VIN
TP3 Output voltage test point at OUT connector
TP4 GND test point at OUT connector
TP5 Test point between voltage divider network and R3. Used for loop response measurements.
TP6 PH test point