LTM4646EY#PBF

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LTM4646EY#PBF

DC DC CNVRTR 0.6-5.5V 0.6-5.5V

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規格

Series LTM®, uModule®
Part Status Active
Base Product Number LTM4646
Type Non-Isolated PoL Module
Number of Outputs 2
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 20V
Voltage - Output 1 0.6 ~ 5.5V
Voltage - Output 2 0.6 ~ 5.5V
Current - Output (Max) 10A, 10A
Applications ITE (Commercial)
Features OCP, OVP, SCP, UVLO
Operating Temperature -40°C ~ 125°C
Efficiency 96%
Mounting Type Surface Mount
Package 88-BBGA Module
Size / Dimension 0.59" L x 0.44" W x 0.21" H (15.0mm x 11.3mm x 5.2mm)
Supplier Device Package 88-BGA (15x11.25)
Packaging Tray

概述

Description

LTM4646EY#PBF is a multi-output, PMBus-enabled DC-DC regulator (µModule) from Analog Devices/Linear Technology. It integrates the control circuitry, MOSFET power stage, and required components into a single compact package to generate multiple low-voltage rails from a wide input range.
Key points:
- Multi-output regulator with programmable rails via PMBus (voltage, sequencing, telemetry).
- Integrated protection: over/under voltage, overcurrent/short-circuit, thermal protection, and fault reporting.
- Features such as remote sense, current sharing, and fault/status reporting for robust system design.
- Pb-free packaging; EY denotes a specific package variant in the product line (PBF suffix).
Typical use:
- Power rails for CPUs/GPUs, FPGAs, telecom/industrial systems, and other multi-rail applications.
Where to start:
- Check the LTM4646 datasheet and user guide for voltage ranges, current capability, PMBus commands, pinout, and evaluation boards.

Features

Here are the key features of LTM4646EY#PBF (concise):
- PMBus/I2C-controlled multi-output buck regulator
- Integrated power stages for multiple synchronous buck rails (independent outputs)
- Programmable output voltages for each rail plus sequencing/margining
- Remote sensing and droop compensation for accurate regulation
- Startup features: pre-bias/startup sequencing, soft-start, and tracking
- Comprehensive protections: overvoltage, undervoltage, overcurrent, overtemperature with latch/reset
- Fault reporting and telemetry: status/alert outputs plus PMBus-readable VIN, VOUT, IOUT, temperature
- Hot-swap/hysteresis-free operation with protection during faulting
- High efficiency via synchronous rectification
- Wide input voltage range (suitable for various system rails)
- Small package with RoHS-compliant packaging
Note: Exact rail count, voltage ranges, and PMBus features may vary by revision; refer to the datasheet for precise specifications.

Package

Pb-free LGA (land grid array) package.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI) — the company behind the LTM4646 family (the LTM prefix originates from Linear Technology, now part of Analog Devices).
- What kind of company: A multinational American semiconductor company that designs, manufactures, and markets high-performance analog, mixed-signal, and digital signal processing integrated circuits for automotive, industrial, communications, and consumer electronics markets.

Application

Applications include:
- Multi-rail point-of-load power for processors, FPGAs and ASICs
- Telecom and networking equipment
- Data-center servers and edge devices
- Industrial automation and motor-control systems
- Automotive and EV electronics
- Any space-constrained design needing compact, high-efficiency DC-DC conversion from a common supply

Equivalent

I don’t have live parts-database access. Do you mean pin-for-pin drop-in variants (package/temperature grades like LTM4646A/I), or functionally equivalent parts from other vendors (e.g., similar dual-output µModule VRMs)? Tell me which type and I’ll look up exact equivalents.

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