TIDUF58 June   2024

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
    4. 2.4 System Design Theory
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Output Ripple
      2. 3.3.2 Load Transient
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
      3. 4.1.3 PCB Layout Recommendations
      4. 4.1.4 Altium Project
      5. 4.1.5 Gerber Files
      6. 4.1.6 Assembly Drawings
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks
  11. 5About the Authors

3.3.1 Output Ripple

Figure 3-2 to Figure 3-5 show the output voltage ripple at 24Vin-1.2Vout-500kHz-0A / 0.5A / 1A / 3A, where Channel2 (Vo_1) is first stage Vout ripple and Channel1 (Vo_2) is second stage Vout ripple. Vout ripple is controlled to within 1mV after LC filter with hybrid sense.

TIDA-050073 Output Voltage Ripple (0A)Figure 3-2 Output Voltage Ripple (0A)
TIDA-050073 Output Voltage Ripple (1A)Figure 3-4 Output Voltage Ripple (1A)
TIDA-050073 Output Voltage Ripple (0.5A)Figure 3-3 Output Voltage Ripple (0.5A)
TIDA-050073 Output Voltage Ripple (3A)Figure 3-5 Output Voltage Ripple (3A)