SLUUCY1 November   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Configurations and Modifications
      1. 2.1.1 Output Voltage
      2. 2.1.2 Switching Frequency (FSEL Pin)
      3. 2.1.3 Current Limit, Soft-Start Time, and Internal Compensation (MODE Pin)
      4. 2.1.4 Adjustable UVLO
    2. 2.2 Input/Output Connections
    3. 2.3 Best Practices
  8. 3Implementation Results
    1. 3.1 Performance Characteristics Summary
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Layout
    3. 4.3 Bill of Materials
  10. 5Additional Information
    1.     Trademarks

3.1 Performance Characteristics Summary

A summary of the TPS543B25T performance characteristics is provided in Table 4-1. The TPS543B25T is designed and tested for VIN = 4 V to 18 V. Characteristics are given for an input voltage of VIN = 12 V and an output voltage of 1.2 V, unless otherwise specified. The ambient temperature is room temperature (25°C) for all measurements, unless otherwise noted.

Table 3-1 TPS543B25T (U1) Performance Characteristics Summary
SPECIFICATION TEST CONDITIONS MIN TYP MAX UNIT
VIN voltage range 11.7 12 12.3 V
Output voltage setpoint 1.0 V
Output current range VIN = 11.7 V to 12.3 V 0

25

 A
Output rise time Set by MODE pin resistor 2 ms
Current limit Set by MODE pin resistor High
Switching frequency (fSW) Set by FSEL pin resistor 1000 kHz