SLVUC73B January   2022  – February 2024 TPS7H4003-SEP

 

  1.   1
  2.   TPS7H4003EVM Evaluation Module (EVM)
  3.   Trademarks
  4. 1TPS7H4003EVM Overview
    1. 1.1 Features
    2. 1.2 Applications
  5. 2TPS7H4003EVM Default Configuration
  6. 3TPS7H4003EVM Initial Setup
  7. 4TPS7H4003EVM Testing
    1. 4.1 Output Voltage Regulation
    2. 4.2 Output Voltage Ripple
    3. 4.3 Soft Startup
    4. 4.4 Transient Response to Positive and Negative Load Step (9A to 18A to 9A)
    5. 4.5 Loop Frequency Response
    6. 4.6 Setup
  8. 5TPS7H4003EVM Schematic
  9. 6TPS7H4003EVM Bill of Materials (BOM)
  10. 7Board Layout
  11. 8Support Resources
  12. 9Revision History

4.2 Output Voltage Ripple

Display CH1 (PH) and CH2 (VOUT) [AC coupled, BW = 20 MHz] on oscilloscope to monitor the switching phase node and the output voltage ripple as shown in Figure 4-2.

GUID-20220114-SS0I-L82H-9PDF-ND7S6ZTMQGTK-low.png Figure 4-2 Output Voltage Ripple VIN = 5V, VOUT = 1V, IOUT = 18A