SLVU834A January   2013  – October 2021 TPS54239E

 

  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
    10. 4.10 Shut-Down
  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 TPS54239EEVM-056 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 TPS54239EEVM-056 Performance Specifications Summary
SPECIFICATIONS TEST CONDITIONS MIN TYP MAX UNIT
Input voltage range (VIN) 4.5 12 23 V
Output voltage 1.05 V
Operating frequency VIN = 12 V, IO = 1.5 A 600 kHz
Output current range 0 2 A
Line regulation IO = 1 A +0.7/–0.3 %
Load regulation VIN = 12 V +0.8, –0.1 %
Overcurrent limit VIN = 12 V, LO = 2.2 µH 2.5 3.1 4.6 A
Output ripple voltage VIN = 12 V, IO = 2 A 10 mVPP
Maximum efficiency VIN = 5 V, IO= 0.5 A 88 %