SLVUC49 April   2021 TPS51396A

 

  1. 1Trademarks
  2. 2Introduction
  3. 3Performance Specification Summary
  4. 4Schematic and List of Materials
  5. 5Board Layout
  6. 6Bench Test Setup conditions
    1. 6.1 Headers Description and Jumper Placement.
    2. 6.2 Power-Up Procedure
  7. 7Test Waveform
    1. 7.1 Power Up
    2. 7.2 Power Down
    3. 7.3 Output Voltage Ripple
    4. 7.4 Load Transient
    5. 7.5 Thermal

3 Performance Specification Summary

A summary of the TPS51396AEVM performance specifications is provided in Table 3-1. Specifications are given for an input voltage of VIN = 12 V and an output voltage of 1.0 V, unless otherwise specified. The TPS51396AEVM is designed and tested for VIN = 4.5 V to 24 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 3-1 Summary of performance
SPECIFICATIONTEST CONDITIONSMINTYPMAXUNIT
Input voltage4.51224V
Output voltage setpoint1.0V
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

TPS51396A supports six different kinds of mode by selecting divider resister on mode pin. Please refer Table 3-2.

In this TPS51396AEVM board, mode can be selected to 600kHz/ECO and 600kHz/OOA by Mode Jumper. If you want to select other mode, please replace mode divider resister according to below table.

Table 3-2 Mode Table
R_Top(kΩ)R_Bottom (kΩ)LIGHT LOAD OPERATIONFREQUENCY (kHz)
3305.1Eco600
33015Eco800
33027Eco1000
20027OOA600
15033OOA800
16051OOA1000