Push-Pull Transformers for Multi-Output Isolated Power Supplies

Used with Texas Instruments SN6505B Chipset

Characteristics

  • Multiple output voltages
  • On-PCB or Through-PCB mounting options
  • Through-PCB mount utilizes a circular hole from common drill bit size
  • Ultra low profile
    • <2mm for Through-PCB mount
    • <4mm for On-PCB mount
  • Pick-and-placeable
  • High efficiency
  • High power density
  • Patent pending
  • Functional insulation
  • Isolation voltage: 3125VAC at 1 second
  • Lead-free and RoHS compliant
  • Designed to meet EN60950-1, UL60950-1/CSA60950-1
  • Operating temp: -40°C to 125°C

Applications

  • Isolated low power PLC
  • Precision instruments
  • Industrial automation
  • PLC analog and digital I/O modules
Electrical Properties
Order Code Ui (VDC) UO1 (V) IO1 (A) UO2 (V) IO2 (A) L (µH) NP:NS fswitch (kHz) UT (VAC) Mount
750316016 5 12.85 0.095 5.70 0.2 72 1 : 1.14 : 2.57 400 3125 SMT On-PCB
750316017 5 12.85 0.095 4.27 0.2 72 1.17 : 1 : 3 400 3125 SMT On-PCB
750316018 5 15.70 0.085 5.70 0.2 72 1 : 1.14 : 3.14 400 3125 SMT On-PCB
750316019 5 15.70 0.095 4.27 0.2 72 1.17 : 1 : 3.67 400 3125 SMT On-PCB
750316668 5 12.85 0.095 5.70 0.2 72 1 : 1.14 : 2.57 400 3125 SMT Through-PCB
750316669 5 12.85 0.095 4.27 0.2 72 1.17 : 1 : 3 400 3125 SMT Through-PCB
750316670 5 15.70 0.085 5.70 0.2 72 1 : 1.14 : 3.14 400 3125 SMT Through-PCB
750316671 5 15.70 0.095 4.27 0.2 72 1.17 : 1 : 3.67 400 3125 SMT Through-PCB

IC Characteristics

Input voltage range: 2.25V to 5.5V

High output drive: 1A at 5V supply

Ultra-low EMI

Synchronization of multiple devices with external clock input

Soft start to reduce in-rush current

No optocoupler required for feedback loop