Flyback Transformers for Texas Instruments LM5180

Wide input voltage, DC-DC converter with primary-side regulation

Characteristics

  • Small, compact size
  • Low leakage inductance
  • Self-shielding package
  • Pick-and-placeable
  • Wide input voltage
  • 5V single or dual output
  • Functional or basic insulation
  • Isolation voltage: up to 1500VAC
  • Lead free and RoHS compliant
  • Operating temp: -40°C to 125°C

Applications

  • DC-DC flyback converters with primary-side regulation
  • Isolated power rails for PLC systems
  • IGBT gate drive supplies
  • Building automation
  • HVAC
  • Isolated field transmitters and actuators
Electrical Properties
Order Code UI (VDC) UO1 (V) IO1 (A) UO2 (V) IO2 (A) L (µH) ISAT (A) NP : NS : NAUX fswitch (kHz) UT (VAC) L (mm) W (mm) H (mm)
750317605 12-70 5 1.00 - - 30 2.6 3 : 1 350 625 9.78 9.50 10.54
750313974 8-32 5 0.36 5 0.36 40 2. 3 : 1 : 1 200-300 1500 13.34 15.24 11.43

IC Characteristics

  • Wide input voltage range of 4.5 - 70V
  • Primary side regulation
  • Quasi-resonant switching at heavy load
  • Integrated 100V, 0.35Ω power MOSFET
  • ±1% total output regulation accuracy
  • Input UVLO and thermal shutdown protection

Other Wurth Electronics Part Numbers on App Notes