SLUUBC0A December   2015  – August 2021

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  4. 3 Electrical Performance Specifications
  5. 4 Schematic
    1. 4.1 8
  6. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  7. 6 Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Mode Selection
    3. 6.3 VDD Pin Supply Selection
  8. 7 Test Procedure
    1. 7.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 7.2 Control-Loop Gain and Phase-Measurement Procedure
    3. 7.3 List of Test Points
    4. 7.4 Equipment Shutdown
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

3 Electrical Performance Specifications

Table 3-1 TPS548A20EVM-737 Electrical Performance Specifications(1)
PARAMETERTEST CONDITIONSMINTYPMAXUNITS
INPUT CHARACTERISTICS
Voltage rangeVIN51218V
Maximum input currentVIN = 5 V, IO = 8 A2.5A
No load input currentVIN = 12 V, IO = 0 A with auto-skip mode1mA
OUTPUT CHARACTERISTICS
Output voltage VOUT1.2V
Output voltage regulationLine regulation (VIN = 5 V – 14 V) with FCCM0.2%
Load regulation (VIN = 12 V, IO = 0 A – 8 A) with FCCM0.5
Output voltage rippleVIN = 12 V, IO = 8 A with FCCM10mVpp
Output load current015A
Output over current15A
Soft-start1ms
SYSTEMS CHARACTERISTICS
Switching frequencyVIN = 12 V, 1.2 V / 4 A1000kHz
Peak efficiencyVIN = 12 V, 1.2 V / 8 A88.5%
Full load efficiency86.9%
Operating temperature25°C
(1) Jumpers set to default locations, See Section 6.