Mfr Part #:

IR3581MTRPBF

Mfr Name: Infineon

The Infineon IR3581MTRPBF is a Dual Output Digital Multi-Phase PWM Controller. It operates with a supply voltage of 3.3V and features a wide switching frequency range.

✓ Total Stock: 3,275 pcs

IR3581MTRPBF Available from 3 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Xingangxin ✓ Non-Authorised Inventory information	2,500 pcs On Request	2500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	770 pcs On Request	770 pcs	On Request	1	On Request	On Request	1809+	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	5 pcs On Request	5 pcs	On Request	1	On Request	On Request	1809+	On Request	On Request

IR3581MTRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.

SELECT ALL

Category	New Products
Manufacturer Name	Infineon
Package / Case	48-Pin QFN
Pitch	0.4mm
Supply Voltage	3.3V
Tape & Reel	Tape & Reel

View Similar Products (0)

IR3581MTRPBF Description

Short technical summary and product information.

The Infineon IR3581MTRPBF is a Dual Output Digital Multi-Phase PWM Controller designed for advanced power management applications. It supports Intel VR12 and VR12.5 modes, along with overclocking, gaming, and PVI GPU VR modes.

Key electrical specifications include a switching frequency adjustable from 194kHz to 2MHz per phase, with 56 steps for fine-tuning. The device operates with a nominal supply voltage of 3.3V. It incorporates IR Efficiency Shaping Features such as Variable Gate Drive and Dynamic Phase Control to optimize efficiency across various load conditions.

This controller is housed in a 48-pin QFN package with a 0.4mm pitch, suitable for surface mounting. The operating ambient temperature range is from -40°C to 85°C. It is Pb-Free and RoHS3 Compliant.

The IR3581MTRPBF offers features like Adaptive Transient Algorithm (ATA) to minimize output capacitors, I2C/SMBus/PMBus interface for telemetry, and comprehensive fault protection (OVP, UVP, OCP, OTP, CAT FLT). It is designed for applications such as Intel VR12/VR12.5 systems, servers, high-end desktop CPUs, and high-performance graphics processors.

IR3581MTRPBF Quick Information

Product Type: Dual Output Digital Multi-Phase PWM Controller

Canonical Name: IR3581 Dual Output Digital Multi-Phase PWM Controller

Subcategory: Digital Multi-Phase PWM Controller

IR3581MTRPBF Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

IR3581MTRPBF Features

Dual output digital multi-phase PWM controller.
Switching frequency from 194kHz to 2MHz.
Supports Intel VR12 and VR12.5 modes.
Operates at 3.3V supply voltage.
Wide -40°C to 85°C ambient temperature range.

IR3581MTRPBF Applications

Used in Intel VR12/VR12.5 systems.
Suitable for server CPU VRs.
Ideal for high-end desktop CPUs.
Designed for high-performance GPUs.

IR3581MTRPBF FAQs

5 frequently asked questions generated from this part’s specifications.

What is the operating voltage for the IR3581MTRPBF?

The IR3581MTRPBF operates with a 3.3V supply voltage.

What is the operating temperature range for this controller?

The operating ambient temperature range for the IR3581MTRPBF is -40°C to 85°C.

What is the switching frequency range per phase?

The switching frequency can be set from 194kHz to 2MHz per phase in 56 steps.

What package type is the IR3581MTRPBF supplied in?

The IR3581MTRPBF is supplied in a 48-pin QFN package with a 0.4mm pitch.

How many units are in a standard package for the IR3581MTRPBF?

The standard package quantity is 3000 units, supplied on tape and reel.