圖片僅供參考

IR3581MTRPBF

Name: IR3581MTRPBF
Rating: 4.7 (12 reviews)

IC REG CTRLR INTEL 2OUT 48QFN

製造商
製造商。部分 #IR3581MTRPBF
包
資料表
有現貨的7613

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Part Status	Obsolete
Base Product Number	IR3581
Applications	Controller, Intel VR12, VR12.5
Voltage - Input	3.3V
Number of Outputs	2
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	48-VFQFN Exposed Pad
Supplier Device Package	48-QFN (6x6)
Packaging	Tape & Reel (TR)

概述

Description

IR3581MTRPBF is Infineon/International Rectifier’s multiphase PWM controller for VRMs. It provides current‑mode control and gate‑drive outputs to external N‑channel MOSFETs to build a multi‑phase buck regulator, commonly used for CPU/GPU core power.
Key features:
- Programmable switching frequency
- Multi‑phase synchronization and current balancing
- Soft‑start and enable/shutdown
- Protections: overcurrent, overvoltage, undervoltage, thermal shutdown
Notes:
- It is not a complete regulator by itself; you pair it with suitable MOSFETs, inductors, and capacitors to form a full VRM.
- MTRPBF denotes Pb‑free, RoHS‑compliant packaging (Tape & Reel).
Typical applications: CPU/GPU voltage regulation, server power rails. For exact electrical specs (voltage/current ranges, timing, and protection thresholds), consult the IR3581 datasheet.

Features

IR3581MTRPBF features (concise):
- High-voltage multiphase buck controller for CPU VRMs with external MOSFETs
- Input voltage range up to about 60 V
- Programmable switching frequency (fSW) range (typical 100 kHz–600 kHz)
- Current-mode PWM with slope compensation for stable transients
- Multi-phase operation with automatic current balancing across phases
- External gate-drive outputs for high- and low-side MOSFETs
- Adjustable deadtime control
- Robust protections: UVLO, overvoltage protection, cycle‑by‑cycle overcurrent protection, and thermal shutdown
- Soft-start with optional tracking for ramp control
- Enable input and fault/status signaling
- Pb-free, Tape & Reel packaging (MTRPBF)
Note: exact voltage ranges and specs are per datasheet; verify against the latest IR3581MTRPBF document for precise numbers.

Package

The IR3581MTRPBF is supplied in an 8-pin SOIC (SO-8) surface-mount package. "TRPBF" denotes tape-and-reel packaging and Pb‑free finish.

Manufacturer

The IR3581MTRPBF is made by Infineon Technologies (originally marketed under the International Rectifier/IR brand). Infineon is a global semiconductor manufacturer specializing in power semiconductors, power-management ICs, automotive and industrial microelectronics, and system solutions.

Application

- High-speed, multi-phase buck controller for high-current DC-DC conversion
- Multiphase VRMs for CPUs/GPUs and other high-performance processors
- Point-of-load regulators for FPGAs, ASICs, memory
- Server, data-center, and telecom/network power supplies
- General high-efficiency DC-DC converters in consumer and embedded applications

Equivalent

I don’t want to give wrong equivalents—can you confirm the device function or share the datasheet/link for IR3581MTRPBF (manufacturer)? Once I know whether it’s a buck regulator controller, LED driver, etc., I’ll list close equivalents (TI, Maxim, Renesas, Richtek options) concisely.