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IRS2548D Datasheet SMPS/LED DRIVER PFC HALF-BRIDGE CONTROL IC

Manufacturer: International Rectifier (now Infineon)

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General Description

Qualification Information Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Functional Block Diagram State 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://www.DataSheet4U.com/ Page 3 4 5 6 6 9 10 11 12 12 13 19 20 21 22 www.irf.com © 2011 International Rectifier 2 IRS2548D Description The IRS2548D is a fully integrated, fully protected 600V LED or switched mode power supply control IC with integrated PFC control for a Boost pre-regulator.

The IR

Overview

September 29, 2011 IRS2548D SMPS/LED DRIVER PFC + HALF-BRIDGE CONTROL.

Key Features

  • PFC, system control and half-bridge driver in one IC.
  • Critical-conduction mode boost-type PFC.
  • Programmable PFC over-current protection.
  • Half Bridge Driver.
  • Half Bridge Over Current Protection.
  • Variable Frequency Oscillator.
  • Fixed internal 1.6us HO and LO deadtime.
  • Internal bootstrap MOSFET.
  • Internal 15.6V zener clamp diode on Vcc.
  • Micropower startup (250µA).
  • Latch immunity and ESD protection Pro.

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