SLVU422A December   2010  – October 2021 TPS54328

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Output Filter and Closed Loop Response
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up Procedure
    3. 4.3 Efficiency
    4. 4.4 Load Regulation
    5. 4.5 Line Regulation
    6. 4.6 Load Transient Response
    7. 4.7 Output Voltage Ripple
    8. 4.8 Input Voltage Ripple
    9. 4.9 Start-Up
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic, Bill of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
    3. 6.3 Reference
  8. 7Revision History

2 Performance Specification Summary

A summary of the TPS54328EVM-686 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 noted. The ambient temperature is 25°C for all measurement, unless otherwise noted.

Table 2-1 TPS54328EVM-686 Performance Specifications Summary
SPECIFICATIONSTEST CONDITIONSMINTYPMAXUNIT
Input voltage range (VIN)4.51218V
Output voltage1.05V
Operating frequencyVIN = 12 V, IO = 1 A675kHz
Output current range03A
Line regulationIO = 1.5 A+/- 0.2%
Load regulationVIN = 12 V+1.1/- 0.03%
Over current limitVIN = 12 V, LO = 1.5 µH3.54.25.7A
Output ripple voltageVIN = 12 V, IO = 3 A15mVPP
Maximum efficiencyVIN = 5 V, IO= 0.5 A86.9%