TIDT357 November   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Power Requirements
    1.     6
    2.     7
    3. 1.1 Power-On Sequence
    4. 1.2 Power-Off Sequence
    5. 1.3 Required Equipment
    6. 1.4 Dimensions
  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 Sequence
    2. 3.2 Shutdown Sequence
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients

3.4 Load Transients

Load transient response was measured for each switching converter and is shown in Figure 3-18 to Figure 3-14. Unless specified, each load was stepped from 25% to 75% of the maximum load of the converter at a slew rate of 1 A / μs.

GUID-20230914-SS0I-NV8H-TJBS-DDZ25XC5SNXV-low.png Figure 3-10 LM61480-Q1 Load Transient Response, 12-V Input, 3.3-V Output, 2-A to 6-A Load Step
GUID-20230914-SS0I-KHDS-CGZS-WXNLQNBWF6FJ-low.png Figure 3-11 TPS628502-Q1 Load Transient Response, 3.3-V Input, 1.8-V Output, 0.5-A to 1.5-A Load Step
GUID-20230914-SS0I-LSTL-DWWZ-N0KW1S6RGVGD-low.png Figure 3-12 TPS628502-Q1 Load Transient Response, 3.3-V Input, 1.1-V Output, 0.5-A to 1.5-A Load Step
GUID-20230914-SS0I-Z0T7-FQK3-PJ4HF8X5PDMB-low.png Figure 3-13 TPS628501-Q1 Load Transient Response, 3.3-V Input, 0.85-V Output, 0.25-A to 0.75-A Load Step
GUID-20230914-SS0I-5B6H-X5DF-05V7W1J3WRS4-low.png Figure 3-14 TPS62871-Q1 Load Transient Response, 3.3-V Input, 0.75-V Output, 0.1 A / μs Slew Rate, 0.5-A to 2.5-A Load Step