TIDT259
March 2022
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Required Equipment
1.3
Considerations
2
Testing and Results
2.1
Load Regulation
2.2
Efficiency Graphs
2.3
Efficiency Data
2.4
Input Power Limit
2.5
Thermal Images
3
Waveforms
3.1
Switching
3.2
Voltage Ripple
3.3
Bode Plots
3.4
Load Transients
3.5
Start-Up Sequence
3.4
Load Transients
Load transient response is shown in the following figures.
Figure 3-9
Output Load Step Response, 1.9-A to 3.8-A Load Step (50 to 100%), 200 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –313 mV, +287 mV
Figure 3-10
Output Load Step Response, 380-mA to 3.4-A Load Step (10 to 90%), 500 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –617 mV, +500 mV
Figure 3-11
Output Load Step Response, 1.1-A to 2.6-A Load Step (30 to 70%), 200 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –267 mV, +240 mV