TIDT380 February   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Thermal Images
    2. 2.2 Bode Plots
  7. 3Waveforms
    1. 3.1 Cold Crank
    2. 3.2 Start-up
    3. 3.3 Steady State
    4. 3.4 Short-Circuit Protection
    5. 3.5 Load Transients

Bode Plots

Bode plots of LMQ644A2-Q1 are shown in the following figures.

GUID-20240114-SS0I-0Z8K-HR6J-K1MWNSZWVCG3-low.png Figure 2-14 Bode Plot at 8.5 VIN, 3.3 VOUT, 0A IOUT
GUID-20240114-SS0I-JVR7-29M1-21VWBQHRKFFX-low.png Figure 2-15 Bode Plot at 8.5 VIN, 3.3 VOUT, 4A IOUT
GUID-20240114-SS0I-HWXF-96K2-G4MM6H5ZWMLV-low.png Figure 2-16 Bode Plot at 13.5 VIN, 3.3 VOUT, 4A IOUT
GUID-20240114-SS0I-7CVQ-5M0D-HW61R2CVTZZS-low.png Figure 2-17 Bode Plot at 18 VIN, 3.3 VOUT, 4A IOUT
GUID-20240114-SS0I-NCR1-7G2N-7QPHJGRFFRSV-low.png Figure 2-18 Bode Plot at 8.5 VIN, 6 VOUT, 6A IOUT
GUID-20240114-SS0I-7GSF-BXSW-D8N3CZ0FRVBW-low.png Figure 2-19 Bode Plot at 13.5 VIN, 6 VOUT, 6A IOUT
GUID-20240114-SS0I-BQJ6-MPGX-FCHMQVV365MC-low.png Figure 2-20 Bode Plot at 18 VIN, 6 VOUT, 6A IOUT

Bode plots of TPS628503-Q1 are shown in the following figures.

GUID-20240114-SS0I-JBFQ-GZRM-TZJX1PZRSMRB-low.png Figure 2-21 Bode Plot at 3.3 VIN, 1.15 VOUT, 0A IOUT
GUID-20240114-SS0I-Q6NQ-3SXW-6NGWPTWKQDR7-low.png Figure 2-22 Bode Plot at 3.3 VIN, 1.15 VOUT, 3A IOUT