IFXICE3RBR1765JZXKLA1
Overview
The ICE3RBR1765JZXKLA1 is an integrated offline flyback controller featuring a 650V avalanche-rugged CoolMOS power MOSFET and a startup cell. Operating at a fixed 65kHz switching frequency, it is designed for isolated switch-mode power supplies (SMPS) with a peak power rating of 44.5W. The device utilizes BiCMOS technology to achieve low power consumption and includes an active burst mode for high efficiency during standby.
Why Choose This Part
This controller integrates a high-voltage startup cell and a 650V CoolMOS to reduce external component count and PCB space. It features built-in frequency jittering and soft driving to minimize EMI, alongside comprehensive protection suites including auto-restart for overvoltage, overtemperature, and overload conditions. The extendable blanking window allows the system to handle high load jumps without triggering false protection trips.
Applications
Key Specifications
Getting Started
Designers should follow the recommended layout for the PG-DIP-7 package, ensuring proper heat sinking for the drain pin to manage the 44.5W output. Utilize Infineon's Power Design Tool or calculation Excel sheets to determine the transformer primary inductance and snubber values. Ensure the VDD capacitor is sized to support the 18V startup threshold before the auxiliary winding takes over.
