TIDT359 October   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence
    6. 3.6 Voltage Supervisor
    7. 3.7 Watchdog

2.4 Bode Plots

Bode plots are shown in the following figures.


GUID-20230920-SS0I-BVWT-KRLV-RTS1TZ3VMPJW-low.jpg
12 VIN, 0.6-A load current: fco 25.2 kHz, 66 deg phase margin, –23 dB gain margin
18 VIN, 0.6-A load current: fco 24.7 kHz, 67 deg phase margin, –23 dB gain margin
24 VIN, 0.6-A load current: fco 24.4 kHz, 65 deg phase margin, –23 dB gain margin
Figure 2-4 Bode Plot VOUT1 = 5 V

GUID-20230920-SS0I-QSTX-GMVW-ZML3Q8NN0QQZ-low.jpg
12 VIN, 0.6-A load current: fco 31.0 kHz, 68 deg phase margin, –23 dB gain margin
18 VIN, 0.6-A load current: fco 29.3 kHz, 66 deg phase margin, –22 dB gain margin
24 VIN, 0.6-A load current: fco 31.1 kHz, 63 deg phase margin, –24 dB gain margin
Figure 2-5 Bode Plot VOUT2 = 3.3 V