SLVU452A May   2011  – October 2021 TPS54228

 

  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 TPS54228EVM-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 TPS54228EVM-686 Performance Specifications Summary
Specifications Test Conditions Min Typ Max Unit
Input voltage range (VIN) 4.5 12 18 V
Output voltage 1.05 V
Operating frequency VIN = 12 V, IO = 1 A 700 kHz
Output current range 0 2 A
Line regulation IO = 1 A +/- 0.22 %
Load regulation VIN = 12 V +0.85/- 0.02 %
Over current limit VIN = 12 V, LO = 1.5 µH 2.5 3.3 4.7 A
Output ripple voltage VIN = 12 V, IO = 3 A 15 mVPP
Maximum efficiency VIN = 5 V, IO= 0.3 A 85.1 %