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IRS2541SPBF

International Rectifier
Part Number IRS2541SPBF
Manufacturer International Rectifier
Description (IRS254xxPBF) LED BUCK REGULATOR CONTROL IC
Published May 30, 2007
Detailed Description Data Sheet No. PD60293 IRS254(0,1)(S)PbF LED BUCK REGULATOR CONTROL IC Description The IRS254(0,1) are high voltage, hi...
Datasheet PDF File IRS2541SPBF PDF File

IRS2541SPBF
IRS2541SPBF

Overview
Data Sheet No.
PD60293 IRS254(0,1)(S)PbF LED BUCK REGULATOR CONTROL IC Description The IRS254(0,1) 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.
The application is inherently protected against short circuit conditions, with the ability to easily add opencircuit protection.
An external high-side bootstrap circuit drives the buck switching element at high frequencies.
A low-side driver is also provided for synchronous rectifier designs.
All functions are realized within a simple 8 p...


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