TIDT303 August   2022

 

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

Description

This primary-side regulated (PSR) flyback reference design outputs 24 V at 12 W from a 90-VAC to 265-VAC input. The design has a small form factor of 50 mm × 38 mm × 25 mm. The conducted EMI is well below the CISPR32 Class B limits.