SLVU277A January   2009  – October 2021 TPS54232

 

  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
    10. 2.10 Eco-mode Operation
  4. 3Board Layout
    1. 3.1 Layout
    2. 3.2 Estimated Circuit Area
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

1.2 Performance Specification Summary

A summary of the TPS54232EVM-415 performance specifications is provided in Table 1-2. Specifications are given for an input voltage of VIN = 12 V and an output voltage of 2.5 V, unless otherwise specified. The TPS54232EVM-415 is designed and tested for VIN = 5 V to 15 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 1-2 TPS54232EVM-415 Performance Specification Summary
SPECIFICATIONTEST CONDITIONSMINTYPMAXUNIT
VIN voltage range51215V
Output voltage set point2.5V
Output current rangeVIN = 5 V to 15 V02A
Line regulationIO = 1 A, VIN = 5 V to 15 V±0.02%
Load regulationVIN = 12 V, IO = 0.2 A to 2 A±0.25%
Load transient responseIO = 0.5 A to 1.5 AVoltage change–40mV
Recovery time400μs
IO = 1.5 A to 0.5 AVoltage change60mV
Recovery time400μs
Loop bandwidthVIN = 12 V, IO = 1 A36kHz
Phase marginVIN = 12 V , IO = 1 A54°
Input ripple voltageIO = 2 A160mVpp
Output ripple voltageIO = 2 A10mVpp
Output rise time6ms
Operating frequency1000kHz
Maximum efficiencyTPS54232EVM-415, VIN = 5 V, IO = 0.5 A88.6%