SLUUC04A February   2019  – June 2021 TPS568230

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Schematic and List of Materials
  5. 4Board Layout
  6. 5Bench Test Setup conditions
    1. 5.1 Headers Description and Jumper Placement.
    2. 5.2 Power-Up Procedure
  7. 6Test Waveform
    1. 6.1 Power Up
    2. 6.2 Power Down
    3. 6.3 Output Voltage Ripple
    4. 6.4 Load Transient
    5. 6.5 Thermal
  8. 7Revision History

2 Performance Specification Summary

A summary of the TPS568230EVM performance specifications is provided in Table 2-1. Specifications are given for an input voltage of VIN = 12 V and an output voltage of 1.05 V, unless otherwise specified. The TPS568230EVM is designed and tested for VIN = 4.5 V to 18 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 2-1 Summary of performance
SPECIFICATIONTEST CONDITIONSMINTYPMAXUNIT
Input voltage4.51218V
Output voltage setpoint1.05V
FB voltageTJ = 25°C594600606mV
Output current range08A
Soft start timeExternal soft start time2.6ms
Operating frequency600kHz
ModeLight load operating modeECO
Over currentValley current set point9.8A

TPS568230 supports 9 different kinds of mode by selecting divider resister on mode pin. Please refer Table 2-2.

In this TPS568230EVM board, mode can be selected to 600kHz ECO, 600kHz OOA or 600kHz FCCM by Mode Jumper. If you want to select other mode, please replace mode divider resister according to below table.

Table 2-2 Mode Table
R_Top(kΩ)R_Bottom (kΩ)LIGHT LOAD OPERATIONFREQUENCY (kHz)
3305.1Eco600
33015Eco800
33027Eco1000
20027OOA600
15033OOA800
16051OOA1000
11051FCCM600
7551FCCM800
5151FCCM1000