TIDT225 March   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Required Equipment
  3. 3Testing and Results
    1. 3.1 Thermal Images
    2. 3.2 Efficiency and Power Dissipation Graphs
    3. 3.3 Efficiency and Power Dissipation Data
    4. 3.4 Cross Regulation
    5. 3.5 Loop Gain
  4. 4Waveforms
    1. 4.1 Start-up
    2. 4.2 Switching Waveforms
    3. 4.3 Output Voltage Ripple
    4. 4.4 Load Transients

2.1 Voltage and Current Requirements

Table 2-1 Voltage and Current Requirements
Parameter Specifications
Input voltage range 7 V–32 V
Output voltage and current

+18 V and –5.1 V, 75 mA

(3X) +18 V and –5.1 V, 25 mA
Switching frequency 400 kHz
Isolation 2600 VAC (NP, NF-NS), 1300 VAC (coil-coil)