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IRS25411 Datasheet Led Buck Regulator Controller

Manufacturer: International Rectifier (now Infineon)

Overview: September 8, 2010 Datasheet No – PD97524 IRS254(01,11) LED BUCK REGULATOR CONTROL.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

Qualification Information Absolute Maximum Ratings Remended Operating Conditions lectrical 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 Page 3 5 6 6 7 8 9 10 10 12 17 18 19 20 .irf.

© 2010 International Rectifier 2 Free Datasheet http://../ IRS254(01,11)(S) Description The IRS254(01,11) are high voltage, high frequency buck control ICs for constant LED current regulation.

They incorporate a continuous mode time-delayed hysteretic buck regulator to directly control the average load current, using an accurate on-chip bandgap voltage reference.

Key Features

  • 200 V (IRS25401) and 600 V (IRS25411) half bridge driver.
  • Micropower startup (.

IRS25411 Distributor