SLUUCU2A March   2023  – September 2023 UCC14130-Q1 , UCC14131-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 U1 Component Selection
    2. 1.2 Pin Configuration and Functions
  5. 2Description
    1. 2.1 EVM Electrical Performance Specifications
  6. 3Schematic
  7. 4EVM Setup and Operation
    1. 4.1 Recommended Test Equipment
    2. 4.2 External Connections for Easy Evaluation
    3. 4.3 Powering the EVM
      1. 4.3.1 Power on for Start-up
      2. 4.3.2 Power off for Shutdown
    4. 4.4 EVM Test Points
    5. 4.5 Probing the EVM
  8. 5Performance Data
    1. 5.1  Efficiency Data
    2. 5.2  Regulation Data
    3. 5.3  Steady State Input Current
    4. 5.4  Start-Up Waveforms
    5. 5.5  Inrush Current
    6. 5.6  AC Ripple Voltage
    7. 5.7  EN and Timing
    8. 5.8  RLIM
    9. 5.9  Shutdown
    10. 5.10 Thermal Performance
  9. 6Assembly and Printed Circuit Board (PCB) Layers
  10. 7Bill of Materials (BOM)
  11. 8Revision History

4.1 Recommended Test Equipment

  • VBIAS: 5-V DC power supply1: 5 V, 0 to 10 mA
  • VIN: DC power supply2: 8 to 18 V, 500 mA
  • IVDD: Electronic load or fixed resistor: 12 V, 0 to 150 mA
  • I[+5V]: Electronic load or fixed resistor: 5 V, 10 mA
  • (3) DVMs measuring DC voltage < 30 V
  • (3) DVMs measuring DC current < 200 mA on IVDD or I[+5V], and < 500 mA on IVIN
  • Oscilloscope: 4 channel, 500 MHz or better, voltage probes, current probes
  • Minimum wire gauge 20 AWG to 22 AWG or better
  • Thermal camera (optional) or thermocouple to measure U1 case temperature