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IR3553 - 40A Integrated PowIRstage

General Description

The IR3553 integrated PowIRstage® is a synchronous buck ga

Key Features

  • Peak efficiency up to 93.2% at 1.2V.
  • Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode.
  • Input voltage (VIN) operating range up to 15V.
  • Output voltage range from 0.25V to Vcc-2.5V, or to 5.5V if internal current sense amplifier is not used.
  • Output current capability of 40A DC.
  • Operation up to 1.0MHz.
  • Integrated current sense amplifier.
  • VCC under voltage lockout.
  • Thermal flag.
  • Body-Braking® load transient support.
  • Diode.

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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.

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40A Integrated PowIRstage® IR3553 FEATURES  Peak efficiency up to 93.2% at 1.2V  Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode  Input voltage (VIN) operating range up to 15V  Output voltage range from 0.25V to Vcc-2.5V, or to 5.5V if internal current sense amplifier is not used  Output current capability of 40A DC  Operation up to 1.0MHz  Integrated current sense amplifier  VCC under voltage lockout  Thermal flag  Body-Braking® load transient support  Diode-emulation high efficiency mode  Compatible with 3.3V PWM logic and VCC tolerant  Compliant with Intel DrMOS V4.0  PCB footprint compatible with IR3550 and IR3551  Efficient dual sided cooling  Small 4mm x 6mm x 0.