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IR38064 - Synchronous Buck Regulator

General Description

The IR38064 PMBus SupIRBuck™ is an easy-to-use, fully integrated and highly efficient DC/DC regulator with I2C/PMBus interface.

The onboard PWM controller and MOSFETs make IR38064 a space-efficient solution, providing accurate power delivery for low output voltage and high current applications.

Key Features

  • Internal LDO allows single 21V operation.
  • Output Voltage Range: 0.5V to 0.875.
  • PVin.
  • 0.5% accurate Reference Voltage.
  • Programmable Switching Frequency up to 1.5MHz using Rt/Sync pin or PMBus.
  • Internal Soft-Start with Pre-Bias Start-up.
  • Enable input with Voltage Monitoring Capability.
  • Remote Sense Amplifier with True Differential Voltage Sensing.
  • Fast mode I2C and 400 kHz PMBus interface.
  • Sequencing and tracking capable.
  • Selectable analog mode.

📥 Download Datasheet

Datasheet Details

Part number IR38064
Manufacturer Infineon
File Size 3.27 MB
Description Synchronous Buck Regulator
Datasheet download datasheet IR38064 Datasheet

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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DCDC Converter 35A Single-input Voltage, Synchronous Digital SupIRBuck Buck Regulator with PMBus Interface IR38064 FEATURES  Internal LDO allows single 21V operation  Output Voltage Range: 0.5V to 0.875*PVin  0.5% accurate Reference Voltage  Programmable Switching Frequency up to 1.5MHz using Rt/Sync pin or PMBus  Internal Soft-Start with Pre-Bias Start-up  Enable input with Voltage Monitoring Capability  Remote Sense Amplifier with True Differential Voltage Sensing  Fast mode I2C and 400 kHz PMBus interface  Sequencing and tracking capable  Selectable analog mode or digital mode  66 PMBus commands for configuration, control, fault protection and telemetry.