TIDT287 August   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
    5. 3.5 Output Voltage Step

Switching

The PMP23123 waveforms are illustrated in the following images.

GUID-20220815-SS0I-9VBR-FN0M-ZXSJ2DVGQ1VT-low.pngFigure 3-1 Voltage Anode To Cathode, D4, 24-V Input, 40-V, 2.5-A Output, 50 V/div, 1 μs/div, Measured 80-V Peak
GUID-20220815-SS0I-LFBB-PLLX-XHF93K0PRWMC-low.pngFigure 3-3 Voltage Anode to Cathode, D4, 18-V Input, 40-V, 2.5-A Output, 50 V/div, 1 μs/div, Measured 104-V Peak
GUID-20220815-SS0I-CZCB-DD9H-TJWR86597NXF-low.pngFigure 3-5 Voltage Anode to Cathode, D4, 24-V Input, 19-V, 4-A Output, 10 V/div, 1 μs/div, Measured 29.6-V Peak
GUID-20220815-SS0I-SXFK-TPFH-1BHGJNBLKDVX-low.pngFigure 3-7 Voltage Anode to Cathode, D4, 18-V Input, 19-V, 4-A Output, 10 V/div, 1 μs/div, Measured 32.8-V Peak
GUID-20220815-SS0I-2NDP-CNRM-TCK61HNCBJ30-low.pngFigure 3-9 Voltage Drain to Source, Q4 and Q6, 36-V Input, 40-V, 2.5-A Output, 10 V/div, 1 μs/div, Measured 53.2-V Peak
GUID-20220815-SS0I-ZRHX-KX39-GJLLXM40PSFK-low.pngFigure 3-2 Voltage Anode to Cathode, D10, 24-V Input, 40-V, 2.5-A Output, 50 V/div, 1 μs/div, Measured 128-V Peak
GUID-20220815-SS0I-MNWZ-VWC3-DPMDWJFTP30D-low.pngFigure 3-4 Voltage Anode to Cathode, D10, 36-V Input, 40-V, 2.5-A Output, 50 V/div, 1 μs/div, Measured 178-V Peak
GUID-20220815-SS0I-LNXH-PB2L-NJ9KPL01QNGM-low.pngFigure 3-6 Voltage Anode to Cathode, D10, 24-V Input, 19-V, 4-A Output, 50 V/div, 1 μs/div, Measured 138-V Peak
GUID-20220815-SS0I-VJ5Q-BRVR-W5GRDHDK9SKK-low.pngFigure 3-8 Voltage Anode to Cathode, D10, 36-V Input, 19-V, 4-A Output, 50 V/div, 1 μs/div, Measured 198-V Peak
GUID-20220815-SS0I-3TZB-FP7M-HWWPN8RFVN1W-low.pngFigure 3-10 Voltage Drain to Source, Q4 and Q6, 36-V Input, 19-V, 4-A Output, 10 V/div, 1 μs/div, Measured 55.2-V Peak