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

Load Transients

Load transient response waveforms of the LM5152-Q1 are shown in the following figures.

GUID-20231228-SS0I-J1XK-MQWM-BBJDHNQSJ9KP-low.png Figure 3-47 Load Transient at 4.2 VIN, 8.5 VOUT, 0A–5.88A
GUID-20231228-SS0I-MGHS-FDWW-C8PZHK00DZ73-low.png Figure 3-48 Load Transient at 4.2 VIN, 8.5 VOUT, 5.88A–11.48A
GUID-20231228-SS0I-FV2M-ZQT9-SRNCPRRHZN6D-low.png Figure 3-49 Load Transient at 13.5 VIN, 13.5 VOUT, 0A–3.74A
GUID-20231228-SS0I-GKZG-BL2T-Z1FD7GKQWJPR-low.png Figure 3-50 Load Transient at 13.5 VIN, 13.5 VOUT, 3.74A–7.48A
GUID-20231228-SS0I-DNM2-XKW4-35R7MGRJK2RL-low.png Figure 3-51 Load Transient at 18 VIN, 18 VOUT, 0A–2.78A
GUID-20231228-SS0I-K69J-NVXD-8HCB5S6N9DNV-low.png Figure 3-52 Load Transient at 18 VIN, 18 VOUT, 2.78A–5.55A

Load transient response waveforms of LM74900-Q1 are shown in the following figures.

GUID-20231228-SS0I-KPBW-CR0K-C1GCPZ3PRGD6-low.png Figure 3-53 Load Transient at 4.2 VIN, 4.2 VOUT, 0A–24A
GUID-20231228-SS0I-RT7N-CBRB-D5JJ5KMGM1J2-low.png Figure 3-54 Load Transient at 13.5 VIN, 13.5 VOUT, 0A–7.48A
GUID-20231228-SS0I-XJSP-XWM6-B0CSZFFBHSZH-low.png Figure 3-55 Load Transient at 18 VIN, 18 VOUT, 0A–6A

Load transient response waveforms of LMQ644A2-Q1 are shown in the following figures.

GUID-20231228-SS0I-XS4P-BDWT-H8WRWJ9BXT23-low.png Figure 3-56 Load Transient at 8.5 VIN, 3.3 VOUT, 0A–3A
GUID-20231228-SS0I-MCGJ-BMLH-XZNPBJMDLJ7Q-low.png Figure 3-57 Load Transient at 13.5 VIN, 3.3 VOUT, 0A–3A
GUID-20231228-SS0I-SFMQ-MN0C-00R6SFJHVPRW-low.png Figure 3-58 Load Transient at 18 VIN, 3.3 VOUT, 0A–3A
GUID-20231228-SS0I-XV24-C1WS-8QLGJTRBP2GJ-low.png Figure 3-59 Load Transient at 8.5 VIN, 6 VOUT, 0A–6A
GUID-20231228-SS0I-391N-S1WC-XZJ4BBKD6RK1-low.png Figure 3-60 Load Transient at 13.5 VIN, 6 VOUT, 0A–6A
GUID-20231228-SS0I-GLGX-X9KQ-5ZJXHDC1PPBT-low.png Figure 3-61 Load Transient at 18 VIN, 6 VOUT, 0A–6A

Load transient response waveforms of TPS628503-Q1 are shown in the following figure.

GUID-20231228-SS0I-NQS4-G4DD-DWBVSTZS5SQM-low.png Figure 3-62 Load Transient at 3.3 VIN, 1.15 VOUT, 0A–3A

Load transient response waveforms of TPS745-Q1 are shown in the following figure.

GUID-20231228-SS0I-MJF4-6NVZ-X0JMWBDJG4TJ-low.png Figure 3-63 Load Transient at 3.3 VIN, 1.8 VOUT, 0A–0.5A

Load transient response waveforms of TPS7B81-Q1 are shown in the following figures.

GUID-20231228-SS0I-GHCZ-MGRV-ZQ9W233MMFJC-low.png Figure 3-64 Load Transient at 4.5 VIN, 3.3 VOUT, 0A–0.15A
GUID-20231228-SS0I-STDS-F4VD-VJLFFBSCL3FS-low.png Figure 3-65 Load Transient at 13.5 VIN, 3.3 VOUT, 0A–0.15A
GUID-20231228-SS0I-LR9L-QTX3-XF0M0K111N0V-low.png Figure 3-66 Load Transient at 18 VIN, 3.3 VOUT, 0A–0.15A