TIDT338 july   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  7. 3Waveforms
    1. 3.1 Start-Up
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Control Loop Stability

2.1 Efficiency Graphs

Efficiency measurements were taken with 12-V input and 1.8-V, single-channel output. The second output channel was disabled.

GUID-20230627-SS0I-QTCQ-SD1F-BPKCMWNWNQCV-low.jpg Figure 2-1 Board A Efficiency and Power Loss Across Load
GUID-20230627-SS0I-T6QN-LXC8-NL0RD2HTF8HM-low.jpg Figure 2-2 Board B Efficiency and Power Loss Across Load
GUID-20230627-SS0I-ZPRS-BPSM-Z8PQWLN9D1K2-low.jpg Figure 2-3 Board C Efficiency and Power Loss Across Load