TIDT359 October   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence
    6. 3.6 Voltage Supervisor
    7. 3.7 Watchdog

3.4 Load Transients

Load transient response is shown in the following figures.

Electronic load was used to create the load steps.

The output capacitors need to be optimized according to the worst-case load step to meet the specific C2000 MCU supply requirements.


GUID-20230922-SS0I-LSW3-TPCV-M8JKFNXSZG00-low.jpg
Figure 3-7 Load Transients 1 (VIN = 18 V, CH1: VOUT1 = 5 V, CH3: IOUT1 = 0 → 0.6 A),
20-MHz Bandwidth Limited

GUID-20230922-SS0I-3L9S-DRR0-C5289D7Q1SF7-low.jpg
Figure 3-8 Load Transients 2 (VIN = 18 V, CH1: VOUT2 = 3.3 V, CH3: IOUT2 = 0 → 0.6 A),
20-MHz Bandwidth Limited