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

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

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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Full PDF Text Transcription (Reference)

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September 29, 2011 IRS2548D SMPS/LED DRIVER PFC + HALF-BRIDGE CONTROL IC 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 Product Summary Topology VOFFSET VOUT Io+ & I o- (typical) tON & tOFF (typical) Deadtime (typical) Half Bridge 600V VCC 500mA/500mA 120nS/50nS 1.6uS Package Typical Applications • Isolated LED Drivers • Power Supplies 14-Lead SOIC http://www.DataSheet4U.