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

Start-up

Start-up behaviors of the LM5152-Q1 are shown in the following figures.

GUID-20231212-SS0I-L38K-1LZR-KH9HGTJ1C23L-low.png Figure 3-2 Start-up at 4.2 VIN, 8.5 VOUT, 11.76A IOUT
GUID-20231212-SS0I-MVWV-WPQC-646TB43D82FS-low.png Figure 3-3 Start-up at 13.5 VIN, 13.5 VOUT, 7.48A IOUT
GUID-20231212-SS0I-TDKT-GX5R-T6FKT72PX9ZJ-low.png Figure 3-4 Start-up at 18 VIN, 18 VOUT, 5.55A IOUT

Start-up behaviors of LM74900-Q1 are shown in the following figures.

GUID-20231212-SS0I-L4M9-F5LS-ZKRKBJKQK2QJ-low.pngFigure 3-5 Start-up at 18 VIN, 18 VOUT, 5.78A IOUT
GUID-20231212-SS0I-PMBL-0HGZ-X48SB13FSRZN-low.pngFigure 3-6 Start-up at 4.2 VIN, 4.2 VOUT, 24A IOUT

Start-up behaviors of LMQ644A2-Q1 are shown in the following figures.

GUID-20231212-SS0I-2Z60-TXJL-SNFM8PRPXNNG-low.pngFigure 3-7 Start-up at 8.5 VIN, 6 VOUT, 6A IOUT
GUID-20231212-SS0I-S0BX-N7RZ-1ZNGSMCR5BLK-low.pngFigure 3-8 Start-up at 13.5 VIN, 6 VOUT, 6A IOUT
GUID-20231212-SS0I-ZTKQ-BWQB-X76Q6LPT4WX9-low.pngFigure 3-9 Start-up at 18 VIN, 6 VOUT, 6A IOUT
GUID-20231212-SS0I-H4VN-T95Q-S37J61TLCSKV-low.pngFigure 3-10 Start-up at 8.5 VIN, 3.3 VOUT, 3A IOUT
GUID-20231212-SS0I-X4BC-5XZ2-NVNQ8LVQGQPL-low.pngFigure 3-11 Start-up at 13.5 VIN, 3.3 VOUT, 3A IOUT
GUID-20231212-SS0I-9QZ9-F5LW-PPHSQ51QKC2M-low.pngFigure 3-12 Start-up at 18 VIN, 3.3 VOUT, 3A IOUT

Start-up behaviors of TPS7B81-Q1 are shown in the following figures.

GUID-20231212-SS0I-NDHK-M1LV-JBCJB2G3FV69-low.pngFigure 3-13 Start-up at 4.2 VIN, 6 VOUT, 0.15A IOUT
GUID-20231212-SS0I-N1LB-QGWD-V7X3RZ9FPZQF-low.pngFigure 3-14 Start-up at 13.5 VIN, 6 VOUT, 0.15A IOUT
GUID-20231212-SS0I-D28C-WMDZ-3CG3CMPRF9LV-low.pngFigure 3-15 Start-up at 18 VIN, 6 VOUT, 0.15A IOUT

Start-up behaviors of TPS745-Q1 are shown in the following figures.

GUID-20231212-SS0I-J8TS-LHQ8-DQZVXR8MRQKT-low.pngFigure 3-16 Start-up at 3.3 VIN, 1.8 VOUT, 0.5A IOUT

Start-up behaviors of the TPS628503-Q1 are shown in the following figures.

GUID-20231212-SS0I-NR9S-CXFD-X3P4LLJZPS8C-low.pngFigure 3-17 Start-up at 3.3 VIN, 1.8 VOUT, 3A IOUT