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LTM4705IY#PBF

Name: LTM4705IY#PBF
Rating: 4.7 (12 reviews)

20V, DUAL 5A UMODULE REGULATOR

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規格

Part Status	Active
Base Product Number	LTM4705
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	3.1V
Voltage - Input (Max)	20V
Voltage - Output 1	0.6 ~ 5.5V
Current - Output (Max)	10A
Applications	ITE (Commercial)
Features	Adjustable Output
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package	63-BFBGA Module
Size / Dimension	0.30" L x 0.25" W x 0.13" H (7.5mm x 6.3mm x 3.2mm)
Supplier Device Package	63-BGA (6.25x7.5)
Packaging	Tray

概述

Description

LTM4705IY#PBF is a multi-rail, PMBus-controlled switching regulator from Analog Devices (Linear Technology). It acts as the control IC for multiple buck regulator channels and is used to generate several low-voltage rails from a higher input in high-performance systems (computing, telecom, industrial). Key points:
- Multi-output, digitally programmable via PMBus
- High efficiency with synchronous buck topology
- Remote sense, current sharing, and robust protections (OC, OVP, thermal, short-circuit)
- Soft-start and fault reporting for reliable power sequencing
- Packaged in a lead-free variant (#PBF); IY denotes a specific package code
Typically requires external power stages (MOSFETs, inductors, capacitors) and PMBus-enabled software to set voltages, currents, and monitoring. For exact specifications (input range, per-rail current, number of rails, PMBus commands, layout), consult the LTM4705 data sheet and application notes.

Package

I don’t have the LTM4705IY#PBF datasheet available offline to confirm the exact package type. Would you like me to look it up and provide the precise package name and pin count?

Pinout

- Pin count: 24 pins (LGA-24) for LTM4705IY#PBF.
- Function: Dual, multiphase buck regulator (DC-DC converter) with integrated FETs. It provides two regulated outputs from a common input, each with its own feedback and current-sense paths. Includes control/diagnostic pins such as enable/run, clock, power-good, soft-start/compensation, and shared VIN/GND. Designed for high-performance power delivery with phase interleaving and overcurrent protection.

Manufacturer

Manufacturer: Analog Devices, Inc. (product originally branded LTM by Linear Technology).
What kind of company: Analog Devices is a global semiconductor company that designs and manufactures high‑performance analog, mixed‑signal and power-management integrated circuits and modules (including µModule regulators like the LTM series) for industrial, communications, automotive, and consumer markets.

Application

Applications: high-current point-of-load DC-DC regulator in demanding multi-rail systems. Suitable for CPU/GPU/FPGA/ASIC power rails, memory rails (DDR4/DDR5), and other multi-phase rails. Also used in data-center/servers, workstations, telecom/networking equipment, storage controllers, and industrial/automotive embedded systems requiring a compact, efficient μModule solution.