SNVU787A July   2021  – September 2022 LMR38010 , LMR38020

 

  1.   LMR38020 LMR38020-Q1 EVM User Guide
  2.   Trademarks
  3. 1General TI High Voltage Evaluation User Safety Guidelines
  4. 2 LMR38020 Evaluation Module
    1. 2.1 Quick Start Procedure
    2. 2.2 Detailed Descriptions
  5. 3Schematic
  6. 4PCB Layout
  7. 5Bill of Materials
  8. 6Revision History

2 LMR38020 Evaluation Module

The LMR38020EVM is configured to deliver 5 V and 2 A at a switching frequency of 400 kHz.

  • Tightly regulated output voltage of 5 V with 1.5% setpoint accuracy
  • Wide input voltage operating range of 4.2 V to 80 V
  • 98% maximum duty cycle

  • Force PWM operation to achieve low output voltage ripple, tight output voltage regulation at light load

  • Frequency synchronization to external clock

  • PWRGD signal indicates output regulation
  • Supports start-up with pre-biased output
  • Programmable system UVLO through precision enable
  • Fully assembled, tested, and proven PCB layout