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  • TPS7H1101SPEVM User’s Guide

    • SLVU944B October   2015  – October 2020 TPS7H1101-SP

       

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  • TPS7H1101SPEVM User’s Guide
  1.   Trademarks
  2. 1Introduction
    1. 1.1 Related Documentation
  3. 2Description
  4. 3Test Setup
    1. 3.1 Equipment
      1. 3.1.1 Power Supplies
      2. 3.1.2 Load Number 1
      3. 3.1.3 Meters
      4. 3.1.4 Oscilloscope
    2. 3.2 Bench Test Setup Conditions
      1. 3.2.1 Headers Description and Jumper Placement
      2. 3.2.2 Testing
    3. 3.3 Power-Up Procedure
      1. 3.3.1  IOUT and VOUT Measurements
      2. 3.3.2  Output Current Limiting
      3. 3.3.3  High-Side Current Sense
      4. 3.3.4  Current Foldback
      5. 3.3.5  Power Good
      6. 3.3.6  Dropout Voltage
      7. 3.3.7  Transient Response
      8. 3.3.8  Current Sharing
      9. 3.3.9  Soft-Start
      10. 3.3.10 Enable and Disable
      11. 3.3.11 Turn-Off
  5. 4Board Layout
    1. 4.1 EVM Layout Flexibility
  6. 5Schematic and Bill of Materials
  7.   Revision History
  8. IMPORTANT NOTICE
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EVM USER'S GUIDE

TPS7H1101SPEVM User’s Guide

Trademarks

All trademarks are the property of their respective owners.

1 Introduction

This user’s guide describes the characteristics, operation, and use of the TPS7H1101SP evaluation module (EVM). This EVM demonstrates the Texas Instruments TPS7H1101-SP and the TPS7H1101A-SP ultra-low dropout (LDO) regulator.

It is a radiation-hardened LDO linear regulator that uses a PMOS pass element configuration. It operates over a wide range of input voltage, from 1.5 V to 7 V while offering excellent PSRR. The TPS7H1101A-SP features a precise and programmable foldback current limit implementation with a very-wide adjustment range. To support the complex power requirements of FPGAs, DSPs, or microcontrollers, the TPS7H1101A-SP provides enable on and off functionality, programmable soft start, current sharing capability, and a Power Good open-drain output. This user’s guide includes setup instructions, a schematic diagram, a bill of materials (BOM), and PCB layout drawings for the EVM.

1.1 Related Documentation

  1. TPS7H1101A (SLVSDW6) Data Sheet

 

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