Offline transformers for USB-PD 3.0 applications

ON Semiconductor 30W-45W reference designs

Characteristics

  • Low leakage inductance
  • RM7/RM8 package
  • THT mount
  • High power density
  • Universal offline input
  • Reinforced Insulation
  • Isolation voltage: 3000VAC
  • Operating temp: -40°C to 125°C
  • Designed to meet IEC60950-1, EN60950-1, UL60950-1

Applications

  • USB-PD 3.0
  • Smart phones
  • Laptops
  • Tablets
Electrical Properties
Order Code Ui (VAC) U01 (V) I01 (A) UAUX (V) L (µH) ISAT (A) NP:NS : NAUX fswitch (kHz) UT (VAC) L (mm) W (mm) H (mm)
750343412 85-265 20 1.80 60 460 1.5 6.5 : 1 : 3 150 3000 21.59 21.59 17.27
750343542 90-265 20 2.25 50 360 2.0 6.5 : 1 : 2.5 70 3000 21.59 21.59 17.27
750343635 90-265 20 2.25 60 360 2.5 6.5 : 1 : 3 70 3000 21.59 21.59 17.27
750343768 90-264 20 1.50 60 530 - 6.67 : 1 : 3 70 3000 19.56 18.80 14.35

Reference Design Characteristics

  • Universal AC input range
  • High efficiency
  • High power density
  • Low stand-by power
  • High operation frequency up to 150kHz
  • Very low ripple and noise
  • Supports TYPE-C interface PD2.0/QC2.0 and PD3.0/QC3.0
  • Two PCB boards assembled back-to-back