SLVUB76A July   2017  – October 2021 TPS54335A

 

  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
      2. 1.3.2 Adjustable UVLO
  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 Powering Down
  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

1.2 Performance Specification Summary

A summary of the TPS54335AEVM-010 performance specifications is provided in Table 1-2. Specifications are given for an input voltage of VIN = 24 V and an output voltage of 5.0 V, unless otherwise specified. The TPS54335AEVM-010 is designed and tested for VIN = 8 V to 28 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 1-2 TPS54335AEVM-010 Performance Specification Summary
SPECIFICATIONTEST CONDITIONSMINTYPMAXUNIT
VIN operating voltage range82428V
VIN start voltage7.12V
VIN stop voltage6.12V
Output voltage set point5V
Output current rangeVIN = 8 V to 28 V03A
Line regulationIO = 1.5 A, VIN = 8 V to 28 V±0.05%
Load regulationVIN = 24 V, IO = 0 A to 3 A±0.15%
Load transient responseIO = 0.75 A to 2.25 AVoltage change–190mV
Recovery time150μs
IO = 2.25 A to 0.75 AVoltage change190mV
Recovery time150μs
Loop bandwidthVIN = 24 V, IO = 1.5 A31.6kHz
Phase marginVIN = 24 V , IO = 1.5 A61°
Input ripple voltageIO = 3 A400mVPP
Output ripple voltageIO = 3 A<30mVPP
Output rise time2ms
Operating frequency340kHz
Maximum efficiencyTPS54335AEVM-010, VIN = 8 V, IO = 0.7 A96.5%