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Infineon ICE2B165FKLA1 - CoolSET®F2 Offline Switcher IC

The ICE2B165FKLA1 from Infineon Technologies is a high-performance offline switcher IC from the CoolSET®F2 family, designed for cost-effective and reliable AC/DC power supply applications up to 31W. This integrated controller combines a 650V CoolMOS™ power MOSFET with a current mode PWM controller in a compact 8-DIP package.

Key Features & Benefits

  • Integrated 650V Power MOSFET - Reduces component count and board space
  • 31W Output Power - Ideal for adapters, chargers, and auxiliary supplies
  • Comprehensive Protection - Current limiting, over-voltage, over-temperature, over-load, and open-loop protection
  • 67kHz Switching Frequency - Optimized for efficiency and EMI performance
  • Wide Operating Range - -40°C to 150°C junction temperature
  • Soft Start Function - Minimizes inrush current and stress on components

Typical Applications

This flyback controller is perfectly suited for isolated AC/DC power supplies in consumer electronics, industrial equipment, LED lighting drivers, smart home devices, and telecommunications infrastructure where reliability and long lifecycle support are critical.

Authorized Distributor - We provide genuine Infineon components with full traceability, technical support, and long lifecycle commitment for aerospace, automotive, industrial, telecommunications, and medical applications.

Product attributes Property Value
Manufacturer Infineon Technologies
Product Series CoolSET®F2
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 13.5 V
Voltage - Supply (Vcc/Vdd) 8.5V ~ 21V
Duty Cycle 72%
Frequency - Switching 67kHz
Power (Watts) 31 W
Fault Protection Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage
Control Features Soft Start
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package PG-DIP-8