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IR3581MTRPBF The Infineon Technologies IR3581MTRPBF is a dual-loop digital multi-phase buck controller designed for CPU voltage regulation. It operates at a 3.3V supply voltage and is housed in a 48-QFN package.
Mfr Part #:

IR3581MTRPBF

Available from 1 distributors
Mfr Name: Infineon Technologies
Infineon Technologies
The Infineon Technologies IR3581MTRPBF is a dual-loop digital multi-phase buck controller designed for CPU voltage regulation. It operates at a 3.3V supply voltage and is housed in a 48-QFN package.
✓ Total Stock: 432 pcs
$ Price Range: $0.75

IR3581MTRPBF Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
432 pcs
On Request
432 pcs On Request 1 On Request On Request 20+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

IR3581MTRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Mounting Type
Number of Outputs
Operating Temperature
SVHC Present
Supplier Device Package
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IR3581MTRPBF Description

Short technical summary and product information.

The IR3581MTRPBF from Infineon Technologies is a dual-loop digital multi-phase buck controller, compliant with Intel VR12 and VR12.5 specifications. This controller is designed for CPU voltage regulation and features dual outputs.

 

Key electrical specifications include a nominal supply voltage of 3.3V and a switching frequency range of 194kHz to 2MHz per phase. The device operates across an ambient temperature range of -40°C to 85°C.

 

Packaged in a 48-QFN (6x6mm) with an exposed pad, the IR3581MTRPBF is designed for surface mounting. It supports Intel VR12 and VR12.5 modes, offering features like IR Efficiency Shaping Technology, Dynamic Phase Control, and Adaptive Transient Algorithm (ATA).

 

This controller provides fault protection including OVP, UVP, OCP, and OTP. It also features an I2C/SMBus/PMBus system interface for telemetry reporting of temperature, voltage, current, and power for both loops. The device is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.

IR3581MTRPBF Quick Information

Product Type: Special Purpose Regulator
Canonical Name: IR3581 Dual Output Digital Multi-Phase PWM Controller
Subcategory: Special Purpose Regulators

IR3581MTRPBF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

IR3581MTRPBF Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

IR3581MTRPBF Features

  • Dual output digital multi-phase PWM controller.
  • Supports Intel VR12 and VR12.5 modes.
  • Switching frequency from 194kHz to 2MHz.
  • Operates at 3.3V supply voltage.
  • Surface mount 48-QFN package.

IR3581MTRPBF Applications

  • Designed for CPU voltage regulation.
  • Suitable for Intel VR12 systems.
  • Used in high-performance graphics processors.
  • Applicable for servers and high-end desktops.

IR3581MTRPBF FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage for the IR3581MTRPBF?

The operating supply voltage is 3.3V.

What is the package type for the IR3581MTRPBF?

The package type is 48-VFQFN Exposed Pad.

What is the operating temperature range for the IR3581MTRPBF?

The operating temperature range is -40°C to 85°C.

What are the applications for the IR3581MTRPBF?

Applications include Controller for Intel VR12 and VR12.5 systems.

What is the switching frequency range per phase?

The switching frequency range is 194kHz to 2MHz per phase.

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