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IRS2500S Datasheet Transition Mode Pfc Control Ic

Manufacturer: International Rectifier (now Infineon)

Overview: February 22, 2012 IRS2500S TRANSITION MODE PFC CONTROL IC.

General Description

Qualification Information Absolute Maximum Ratings Remended Operating Conditions Electrical Characteristics Functional Block Diagram Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Application Information and Additional Details Package Details Tape and Reel Details Part Marking Information Ordering Information http://../ Page 3 5 6 6 7 9 10 11 11 12 19 20 21 22 .irf.

© 2012 International Rectifier 2 IRS2500S Description The IRS2500 is a fully integrated, fully protected PFC SMPS control IC designed to drive Boost or Flyback switching regulators providing high power factor.

Typical applications are PFC pre-regulators for SMPS and electronic ballasts for fluorescent or HID lighting as well as single stage Flyback converters widely used in low power LED drivers.

Key Features

  • PFC Control IC Boost or Flyback Converter Modes Critical-conduction / Transition mode operation Over-current protection Static and Dynamic DC bus overvoltage protection Micropower startup (.

IRS2500S Distributor