Offline Flyback Transformer for IoT Power Supplies Using Infineon Coolset™ Controller

Isolated 3W, 5V Power Supply for IoT Applications


  • Low profile
  • Extended rail
  • Pick & placeable
  • Low leakage inductance
  • Universal offline input
  • Provides 6V output before diode drop
  • Reinforced insulation
  • Isolation Voltage: 3750VAC at 1 second
  • Lead free and RoHS compliant
  • Designed to meet IEC60950-1, EN60950-1, UL60950-1/CSA60950-1 and AS/NZS60950.1
  • Operating Temp: -40°C to 125°C


Internet of Things (IoT)

Standby power supply

Power supply for microcontrollers, standalone sensors and USB power

Intelligent wall plug

Smart Metering

Electrical Properties
Order Code Package Size Ui (VAC) UO1 (V) IO1 (A) UAUX (V) L (mH) ISAT (A) NP:NS:NAUX Fswitch (kHz) UT (VAC)
750817018 EE13/7/4 88-270 6 0.5 14.4 2.19 0.25 12.6 : 1 : 2.4 65 3750

Reference Design Characteristics

Active Burst Mode operation for very low standby power consumption

Frequency jitter and soft start for low EMI

Auto restart protection for overload

Low output voltage ripple

Small form factor

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