TIDT193 August   2020  – MONTH 

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  3. 2Testing and Results
    1. 2.1 Thermal Images
    2. 2.2 Efficiency and Power Dissipation graphs
    3. 2.3 Efficiency and Power Dissipation Data
    4. 2.4 Voltage Regulation
  4. 3Waveforms
    1. 3.1 Start-up
    2. 3.2 Switch Node
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Short-Circuit Recovery Response
    6. 3.6 Input Voltage Transient Response

3.3 Output Voltage Ripple

The following image illustrates the output ripple voltage (AC coupled). The input voltage is 18 V and the 14-V output is loaded to 130 mA.

GUID-20200728-CA0I-RM6Z-N9VH-CSNB3FCCXVHZ-low.jpgFigure 3-16 Output Voltage Ripple (AC Coupled) (VOUT: 50 mV/div, 50 μs/div)

The following image illustrates the output ripple voltage (AC coupled). The input voltage is 30 V and the 14-V output is loaded to 130 mA.

GUID-20200728-CA0I-WFK0-QGKV-WBBT9MMSGTFM-low.jpgFigure 3-17 Output Voltage Ripple (AC Coupled) (VOUT: 50 mV/div, 50 μs/div)

The following image illustrates the output ripple voltage (AC coupled). The input voltage is 120 V and the 14-V output is loaded to 130 mA.

GUID-20200728-CA0I-QNSQ-T3R3-7KLQPH6X08KC-low.jpgFigure 3-18 Output Voltage Ripple (AC Coupled) (VOUT: 50 mV/div, 50 μs/div).