SLVU264A November   2008  – October 2021 TPS54233

 

  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
  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 TPS54233EVM-373 performance specifications is provided in Table 1-2. Specifications are given for an input voltage of VIN = 15 V and an output voltage of 3.3 V, unless otherwise specified. The TPS54233EVM-373 is designed and tested for VIN = 7 V to 28 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 1-2 TPS54233EVM-373 and Performance Specification Summary
SPECIFICATIONTEST CONDITIONSMINTYPMAXUNIT
VIN voltage range71518V
Output voltage set point3.3V
Output current rangeVIN = 8 V to 18 V02A
Line regulationIO = 1 A, VIN = 8V to 18 V±0.025%
Load regulationVIN = 15 V, IO = 0 A to 2 A±0.03%
Load transient responseIO = 0.5 A to 1.5 AVoltage change–20mV
Recovery time400μs
IO = 1.5 A to 0.5 AVoltage change20mV
Recovery time400μs
Loop bandwidthVIN = 15 V, IO = 1 A9.0kHz
Phase marginVIN = 15 V , IO = 1 A70°
Input ripple voltageIO = 2 A250mVpp
Output ripple voltageIO = 2 A70mVpp
Output rise time3.5ms
Operating frequency300kHz
Maximum efficiencyTPS54233EVM-373, VIN = 8 V, IO = 0.4 A91.2%