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3W 5V Flyback 180 to 265VAC <13mW standby power


Reference design off-line isolated power supply 3W 5V based on CoolSET™ ICE3RBR4765JG current mode controller.

Summary of Features:

  • 650V avalanche rugged CoolMOS™ with built-in startup cell
  • Active Burst Mode (ABM)
  • 65kHz internally fixed switching frequency
  • Built-in soft start
  • Auto restart protection mode for overload, open loop, V CC undervoltage, overtemperature and V CC overvoltage
  • Built-in frequency jitter feature and soft driving for low EMI
  • BiCMOS technology provides wide V CC range


  • Extremely low standby power (<13mW)
  • Low output voltage ripple (<80mVpp)
  • Small formfactor (50mm x 23.5mm x 14 mm (L x W x H)

Target Applications:

  • Applications related to the Internet of Things (IoT)
  • USB-power supply embedded in a wall plug
  • Intelligent wall plug switched by wireless (with relay)
  • Metering application

Family   CoolSET™

Application Notes

Title Size Date Version
2.1 MB 07 Nov 2016 01_00

Application Brief

Title Size Date Version
351 KB 05 Oct 2016 01_00
Sales Product Name REF-3W-IOT-COOLSET
Product Status active and preferred
Order online Buy online
Package Name --
Completely lead free
Halogen free
RoHS compliant no
Packing Size 1
Packing Type CONTAINER

Evaluation Boards

Board Family Description Status
    active and preferred

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