TIDT232 September   2021

 

  1. 1Description
  2. 2Device Description
  3. 3Efficiency
  4. 4Start-up
  5. 5Shutdown
  6. 6Output Voltage Ripple
  7. 7EMI Results
  8. 8Test Setup
    1. 8.1 EMI Scans - Single UCC12050, 5 VOUT, 100 mA
    2. 8.2 EMI Scans - 4x UCC12050, 5 VOUT
    3. 8.3 EMI Scans - Conclusion

2 Device Description

The UCC12050 is a fully-integrated, DC/DC converter with 5-kVRMS reinforced isolation rating designed to provide efficient power to isolated circuits that require a bias supply with a well-regulated output voltage. The device integrates a transformer and DC/DC controller with a proprietary architecture to provide 500 mW of isolated power with high efficiency and low EMI.

The UCC12050 integrates protection features for increased system robustness. The device also includes an enable pin, synchronization capability, and a user selectable, regulated 3.3-V, 3.7-V, 5-V, or 5.4-V output option. The UCC12050 is a low-profile, miniaturized solution offered in a wide-body SOIC package with > 8-mm creepage and clearance. Additional information is found in the UCC12050 High-Efficiency, Low-EMI, 5-kVRMS Reinforced Isolation DC-DC Converter Data Sheet.