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IRS279524S - RESONANT HALF-BRIDGE CONVERTER CONTROLLER

Download the IRS279524S datasheet PDF. This datasheet also covers the IRS27951S variant, as both devices belong to the same resonant half-bridge converter controller family and are provided as variant models within a single manufacturer datasheet.

Description

The IRS2795(1,2)(4) is a self oscillating half-bridge driver IC for DC-DC resonant converter applications, especially the LLC resonant half-bridge converter.

The frequency and dead time can be programmed externally using two external components.

Features

  • Simple primary-side control solution for fixed and variable frequency DC-DC resonant converters.
  • Max 500kHz per channel output with 50% duty cycle.
  • Floating channel bootstrap operation up to +600Vdc.
  • Programmable minimum and maximum switching frequency.
  • Programmable soft start frequency and soft start time.
  • Programmable dead time.
  • Micropower start-up & ultra low quiescent current.
  • Over-current protection using low side MOSFET Rds(on).
  • User initiated.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IRS27951S_InternationalRectifier.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by International Rectifier (now Infineon)

Part Number Description
IRS27952S RESONANT HALF-BRIDGE CONVERTER CONTROLLER
IRS27951S RESONANT HALF-BRIDGE CONVERTER CONTROLLER
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
IRS27951S IRS27952(4)S RESONANT HALF-BRIDGE CONVERTER CONTROL IC Features  Simple primary-side control solution for fixed and variable frequency DC-DC resonant converters.  Max 500kHz per channel output with 50% duty cycle  Floating channel bootstrap operation up to +600Vdc  Programmable minimum and maximum switching frequency  Programmable soft start frequency and soft start time  Programmable dead time  Micropower start-up & ultra low quiescent current  Over-current protection using low side MOSFET Rds(on)  User initiated micropower “Sleep mode”  Under-voltage Lockout  Simple design with minimal component count.
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