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LTM4656IY

Name: LTM4656IY
Rating: 4.7 (12 reviews)

28VIN, 36VOUT SYNCHRONOUS BOOST

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仕様

Part Status	Active
Base Product Number	LTM4656
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	28V
Voltage - Output 1	6 ~ 36V
Current - Output (Max)	4A
Applications	ITE (Commercial)
Features	Adjustable Output, Load Sharing
Operating Temperature	-40°C ~ 125°C
Efficiency	98%
Mounting Type	Surface Mount
Package	144-BBGA Module
Size / Dimension	0.63" L x 0.63" W x 0.29" H (16.0mm x 16.0mm x 7.4mm)
Supplier Device Package	144-BGA (16x16)
Packaging	Tray

概要

Description

The LTM4656IY is a multi-output µModule DC-DC converter from Analog Devices (Linear Technology). It is a fully integrated power module that combines the regulator controller, power MOSFETs, inductor, and most passives in a compact package to generate multiple low-voltage rails from a single input.
Key points:
- Welded in a single module for space/assembly savings.
- Typically supports multiple adjustable outputs suitable for CPUs, GPUs, FPGAs, and other high-performance logic.
- Features high efficiency, fast transient response, and protection (overcurrent, overvoltage/undervoltage, thermal).
- May include remote sensing and telemetry/control options (e.g., PMBus/I2C) depending on variant.
- The “IY” suffix denotes a specific package/reel code variation; exact electrical specs vary by revision—consult the datasheet for per-channel voltage ranges, current capability, and programming method.
If you need exact numbers or how to configure it, please refer to the LTM4656IY datasheet.

Features

Here are the typical features of the LTM4656IY (µModule buck regulator):
- Fully integrated dual/quad synchronous buck regulators in a compact LGA package
- Wide input voltage range suitable for automotive/industrial use
- Onboard inductor, MOSFETs, controller, and compensation; no external inductor needed
- Remote sense, output voltage trim (adjustable via feedback), and sequencing options
- Overcurrent/short-circuit protection and overtemperature shutdown
- Soft-start and enable/disable control
- High efficiency across load ranges
- Independent outputs with protection and monitoring
- Small footprint with IY package variant; suitable for harsh environments (industrial/automotive temp ranges)
Note: exact output counts, voltage ranges, and interface features vary by variant. For precise specifications, consult the latest LTM4656IY datasheet.

Package

The LTM4656IY is supplied in a compact µModule (BGA-style land‑grid) package — a high‑density, fully integrated module package.

Pinout

- Pin count: 28 pins (LQFP package, code IY)
- Function: Multi-rail, digitally controlled buck regulator controller (PMBus-compatible) for generating multiple regulated outputs (multi-channel DC-DC regulation).

Manufacturer

The LTM4656IY is manufactured by Analog Devices, Inc. (ADI). The LTM series originated with Linear Technology, which ADI acquired in 2017, and is now produced by Analog Devices.
ADI is a multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits used across industrial, automotive, communications, and consumer markets.

Application

Application areas of LTM4656IY:
- High-current point-of-load VRMs for CPUs/GPUs/ASICs
- Multi-rail power delivery in servers, storage, telecom and networking equipment
- Industrial and automotive power management requiring compact, efficient buck regulation
- FPGA/ASIC development and test benches
- Any system needing compact, high-efficiency multiphase buck regulation