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Infineon ICE3BR1765J - CoolSET™ F3R Offline Switcher IC

The ICE3BR1765J from Infineon Technologies is a high-performance offline switcher IC featuring integrated CoolMOS™ technology in the CoolSET™ F3R series. Designed for isolated flyback topologies, this IC delivers up to 46W of power with exceptional efficiency and comprehensive protection features.

Key Features & Benefits

  • 650V Breakdown Voltage - High-voltage capability for universal AC input applications
  • Integrated CoolMOS™ Switch - Reduced switching losses and improved thermal performance
  • 65kHz Switching Frequency - Optimized for compact transformer designs
  • Comprehensive Protection - Built-in current limiting, over-voltage, over-temperature, over-load, and open-loop protection
  • Wide Supply Range - 10.5V to 25V operating voltage with 18V start-up
  • Through-Hole Package - Easy assembly and reliable mechanical connection in 8-DIP format

Typical Applications

Ideal for AC-DC power supplies in consumer electronics, industrial controls, LED lighting drivers, auxiliary power supplies, and standby power systems requiring isolated output up to 46W.

Quality & Authenticity Guarantee

All ICE3BR1765J units are sourced through authorized Infineon distribution channels with full manufacturer traceability, documentation, and warranty support. We provide long lifecycle availability to support your design programs and mitigate obsolescence risk.

Product attributes Property Value
Manufacturer Infineon Technologies
Product Series CoolMOS™, CoolSET™F3R
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 18 V
Voltage - Supply (Vcc/Vdd) 10.5V ~ 25V
Duty Cycle 75%
Frequency - Switching 65kHz
Power (Watts) 46 W
Fault Protection Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage
Control Features -
Operating Temperature -25°C ~ 130°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package PG-DIP-8