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LTM4623EY#PBF

Name: LTM4623EY#PBF
Rating: 4.7 (12 reviews)

DC DC CONVERTER 0.6-5.5V

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規格

Series	µModule®
Part Status	Active
Base Product Number	LTM4623
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	4V
Voltage - Input (Max)	20V
Voltage - Output 1	0.6 ~ 5.5V
Current - Output (Max)	3A
Applications	ITE (Commercial)
Features	OCP, OTP, OVP, UVLO
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package	25-PowerBBGA Module
Size / Dimension	0.25" L x 0.25" W x 0.07" H (6.3mm x 6.3mm x 1.8mm)
Supplier Device Package	25-BGA (6.25x6.25)
Packaging	Tray

概述

Description

LTM4623EY#PBF is a 3-phase, high-current, synchronous buck regulator in Analog Devices’ µModule family. It integrates the control logic, three power MOSFETs, gate drivers, and protection features to create a single high-current low-voltage rail from a higher input supply, using a three-phase interleaved topology for efficiency and fast transient response. It supports digital control/monitoring via a PMBus/I2C-compatible interface, enabling programmable output voltage, sequencing, current limit, and fault reporting. External components are minimal but typically include three output inductors (one per phase), input/output capacitors, and a few passives for PMBus lines. The EY suffix denotes a specific package variant, while #PBF indicates a RoHS-compliant, lead-free version. Common applications include CPU/GPU/FPGA power rails, data-center and telecom power supplies, and other high-performance embedded systems requiring compact, configurable, and efficient DC-DC power.

Features

LTM4623EY#PBF features (concise):
- Three independently programmable output rails in a single µModule regulator
- PMBus digital interface for voltage programming, margining, sequencing and telemetry
- Multiphase architecture for high current capability and fast transient response
- Adjustable output voltages per channel; remote sense and voltage tracking
- Output voltage margining, sequencing, and load-sharing/droop control
- Fault protection: overcurrent/short-circuit, overvoltage, and thermal shutdown with latches
- Soft-start, fault reporting, and telemetry (Vout, Iout, Temp)
- Wide input voltage range and high efficiency
- RoHS Pb-free (PBF) package in a compact footprint
- Operating temperature range suitable for demanding applications (e.g., -40°C to 125°C)
Note: For exact voltage ranges, current limits, efficiency, and package pinout, refer to the official datasheet.

Package

Package: μModule (LGA-style) package. It’s a sealed module with bottom contact pads (no external leads). The #PBF suffix means Pb-free.

Pinout

LTM4623EY#PBF is supplied in a 36‑ball BGA package (36 pins/balls). Major pin functions (grouped):
- VIN: main input power pins
- VOUT1, VOUT2: regulated output pins for the two channels
- GND: return/thermal pad(s)
- SW/SWx (power switch nodes): internal switch outputs/force pins for each channel
- RUN/EN (RUN1/RUN2): channel enable pins
- TRACK/SS: soft‑start/track input
- FB1/FB2: feedback pins for each output
- ISET/RT (or similar): current/loop/clock setting
- INTVCC: internal bias/regulator output (logic supply)
- PGOOD/PG: power‑good/status indicator
- MODE: mode selection (pulse‑skipping/forced PWM)
- Additional pins: sense/comp/ground/thermal interconnects for stability and current sensing
For a complete pin‑by‑pin map and exact names/locations, refer to the LTM4623 datasheet.

Manufacturer

Manufacturer: Analog Devices, Inc. (originally produced by Linear Technology — part number LTM4623EY#PBF).
What kind of company: Analog Devices is a multinational semiconductor company that designs and manufactures analog, mixed-signal and power-management integrated circuits and µModule power-regulator products (high-performance analog and power solutions).

Application

LTM4623EY#PBF is a 3-output µModule DC-DC regulator. Common application areas include:
- Point-of-load power for CPU/GPU/FPGA/ASIC cores and memory rails
- Multi-rail VRMs in servers, workstations, and data centers
- Motherboards and embedded SBCs
- Telecom, networking, and industrial equipment needing tight regulation and fast transient response