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

4 Start-up

Start-up shown is for a single output (ISO OUTPUT 1), VINP = 5 V, VISO = 5 V, POUT = 500 mW, start-up begins 492 µs after EN is HIGH.

GUID-20210409-CA0I-9MKG-GVTR-C7LTZV2XDQZF-low.pngFigure 4-1 CH1: VINP, CH2: EN, CH3: VISO (5 V)