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LTM4655IY#PBF

Name: LTM4655IY#PBF
Rating: 4.7 (12 reviews)

EN55022B CMPLINT 40V DUAL 4A SNG

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規格

Series	µModule®
Part Status	Active
Base Product Number	LTM4655
Type	Non-Isolated PoL Module
Number of Outputs	2
Voltage - Input (Min)	3.1V
Voltage - Input (Max)	40V
Voltage - Output 1	0.5 ~ 26.5V
Voltage - Output 2	-0.5 ~ -26.5V
Current - Output (Max)	4A, 4A
Power (Watts)	212 W
Applications	ITE (Commercial)
Features	Adjustable Output
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package	144-BBGA Module
Size / Dimension	0.63" L x 0.63" W x 0.21" H (16.0mm x 16.0mm x 5.2mm)
Supplier Device Package	144-BGA (16x16)
Packaging	Tray

概述

Description

LTM4655IY#PBF is a Linear Technology/Analog Devices μModule buck regulator. It is a compact, high‑efficiency DC–DC step-down converter that integrates the power switch MOSFETs and control circuitry in a single module. The IY suffix indicates a specific package variant, and #PBF denotes Pb‑free packaging. It is used to generate a precise point‑of‑load voltage for processors, memory, FPGAs, and other digital logic from a higher input supply.
Key points:
- Integrated regulator in a small package (no separate inductor required in many configurations; check datasheet).
- High efficiency, fault protection (OC/OV, thermal shutdown), and remote sensing options.
- Output voltage is adjustable via feedback network (or fixed by variant).
- Suitable for space‑constrained power rails in computing and communications equipment.
For exact electrical specs, pinout, and usage, consult the LTM4655IY#PBF datasheet.

Package

Pb-free LGA µModule package (no leads), 24-pin, about 8×8 mm footprint.

Pinout

- Pin count: 16-pin LGA package (LTM4655IY#PBF).
- Function: dual-output, PMBus-controlled µModule DC-DC buck regulator (two independent step-down outputs from a common input), with integrated controller and power stages; supports PMBus commands for voltage/current setup and monitoring.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (including power-management modules). It acquired Linear Technology, and the LTM family originated from Linear Technology.

Application

Applications of LTM4655IY#PBF:
- Point-of-load regulators for CPUs/GPUs/FPGA/ASICs
- Multi-rail power for servers, data centers and networking gear
- Telecom and industrial power systems needing compact PMBus-controlled modules
- Space-constrained embedded systems requiring high-density, efficient DC-DC conversion
- Aerospace/medical instrumentation demanding rugged, programmable, high-performance supplies