LTM4643IV#PBF

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LTM4643IV#PBF

DC DC CONVERTER 3X0.6-3.3V

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  • Mfr. Parte #LTM4643IV#PBF
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Especificaciones

Series µModule®
Part Status Active
Base Product Number LTM4643
Type Non-Isolated PoL Module
Number of Outputs 4
Voltage - Input (Min) 4V
Voltage - Input (Max) 20V
Voltage - Output 1 0.6 ~ 3.3V
Voltage - Output 2 0.6 ~ 3.3V
Voltage - Output 3 0.6 ~ 3.3V
Current - Output (Max) 3A, 3A, 3A, 3A
Applications ITE (Commercial)
Features OCP, OTP, OVP, UVLO
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 77-LGA Module
Size / Dimension 0.59" L x 0.35" W x 0.07" H (15.0mm x 9.0mm x 1.8mm)
Supplier Device Package 77-LGA (15x9)
Packaging Tray

Descripción general

Description

LTM4643IV#PBF is a high‑current, three‑phase µModule DC–DC buck regulator from Analog Devices (Linear Technology). It combines three interleaved switching regulators, high/low‑side MOSFETs, drivers, inductor, and feedback/compensation in a single compact module, with a PMBus digital interface for flexible control and monitoring.
Key features
- Three interleaved phases for high current with good transient response
- PMBus interface for programmable VOUT, voltage setpoints, and telemetry
- Remote sense, current sharing, overcurrent/overvoltage protection, thermal protection, and fault latching
- Pb‑free packaging (PBF); variant IV denotes a specific package/footprint
Typical use
- CPU/SoC VRMs, FPGA/ASIC power rails, high‑current point‑of‑load applications in servers, telecom, and embedded systems
Notes
- The IV suffix indicates package/version; Pb‑free indicated by PBF
- See the LTM4643 data sheet and product page for exact input/output ranges, efficiency, thermal specs, and programming details.

Features

Here are the key features of the LTM4643IV#PBF (industrial Pb-free):
- Multi-output µModule DC-DC regulator with integrated inductor, MOSFETs and controller (no external power components required beyond input/output capacitors per rail)
- Wide input voltage range suitable for 4.5V–60V systems
- PMBus/I2C programmable and monitorable: set output voltages, sequencing, and read back voltages, currents, and temperatures
- Remote sense and load-line/load-current monitoring for accurate regulation
- Fault reporting and status signals (PG/POF equivalents) and programmable fault thresholds
- Comprehensive protection: overcurrent/short-circuit with hiccup, overvoltage, and overtemperature protection
- Soft-start and output sequencing for safe power-up
- High efficiency and compact package for dense board layouts
- Industrial-grade, Pb-free (IV#PBF) packaging with robust thermal performance
Note: For exact voltage ranges, current capability per rail, and sequencing options, consult the latest LTM4643 datasheet.

Package

Pb-free (PBF) μModule in an LGA-style 32-pin package.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI) — formerly Linear Technology.
What kind of company: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

Application areas for LTM4643IV#PBF (3-phase PMBus multi‑phase regulator):
- High-current VRMs for CPUs, GPUs, FPGAs, and ASICs
- Server, workstation, and data-center power rails
- Networking and telecom equipment
- Industrial power supplies and test/measurement equipment
- Embedded systems requiring PMBus control, voltage sequencing, telemetry, and protection features
Note: designed for tight regulation, fast transients, and integrated PMBus control.

Equivalent

Do you mean direct drop-in replacements (same pinout, electrical specs) or functionally similar modules? Also please confirm key specs: input voltage, output voltage/current, number of phases. I can then provide a concise list of equivalent parts.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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