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LTM4644IY#PBF: Features, Specs & More

2025-08-12 15:37:00Mr.Ming
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LTM4644IY#PBF: Features, Specs & More

In today's fast-moving electronics industry, power management efficiency is crucial for designing reliable and compact systems. The ADI LTM4644IY#PBF from Analog Devices, Inc. is a high-performance quad DC/DC μModule (Power Module) regulator designed to deliver precise, configurable power outputs in space-constrained environments. In this comprehensive article, we'll delve into the intricacies of the LTM4644IY#PBF, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.

 

Catalog

LTM4644IY#PBF's Overview

Key Features

Specifications

Applications

LTM4644IY#PBF's Manufacturer

Conclusion

 

LTM4644IY#PBF's Overview

The ADI LTM4644IY#PBF is a quad-output, step-down μModule regulator with a configurable 4A output array. It converts higher DC voltages to lower DC voltages with high efficiency, low noise, and stable operation. This module integrates switching regulators, inductors, and supporting components into a compact BGA package, simplifying PCB layout and reducing design complexity.

 

Key Features

Let's delve into the standout features that make the LTM4644IY#PBF a standout in the world of electronics:

· The LTM4644IY#PBF supports a wide input voltage range from 4V to 14V.

· It offers adjustable output voltages between 0.6V and 5.5V for versatile power needs.

· Each output can supply a maximum current of 4A, ensuring strong and reliable power delivery.

· The device operates with a high switching frequency of typically 1000 kHz, enabling small external components.

· Load regulation is tightly controlled at 1% for stable voltage output under varying loads.

· Line regulation is minimal at 0.15% per volt, maintaining output voltage with changing input voltage.

· It features a positive on/off logic for simple system control.

· The module works reliably across a broad temperature range from -40°C to 125°C, suitable for industrial environments.

· It has a typical standby current of only 0.011 mA, making it energy-efficient during low-power states.

· The package uses a compact Ball Grid Array (BGA) with dimensions 15 mm by 9 mm by 4.41 mm.

 

Specifications

Now, let's take a closer look at the technical specifications that define the capabilities of the LTM4644IY#PBF:

Type

Parameter

Type

Step Down

Number of Outputs

4

Isolation

Non-Isolated

Minimum Input Voltage (V)

4

Maximum Input Voltage (V)

14

Output Voltage (V)

0.6 to 5.5

Output Current (A)

4

Input/Output Type

DC/DC

Typical Standby Current (mA)

0.011

Switching Frequency (kHz)

1000(Typ)

Switching Regulator

Yes

Load Regulation

1%

Line Regulation

0.15%/V

On/Off Logic

Positive

Minimum Operating Temperature (°C)

-40

Maximum Operating Temperature (°C)

125

Supplier Temperature Grade

Industrial

Packaging

Tray

Product Weight (g)

1.9

Output Type

Adjustable

Mounting

Surface Mount

Package Height

4.41 mm

Package Width

9 mm

Package Length

15 mm

PCB changed

77

Standard Package Name

BGA

Supplier Package

BGA

Pin Count

77

Lead Shape

Ball

 * LTM4644IY#PBF's Datasheet

 

Applications

The LTM4644IY#PBF is widely used in:

· Networking equipment such as routers, switches, and servers.

· Industrial automation systems requiring stable multi-rail power.

· Medical electronics with high reliability needs.

· Telecommunications infrastructure supporting high data rates.

· Embedded computing platforms like SBCs and FPGA boards.

 

LTM4644IY#PBF's Manufacturer

Analog Devices, Inc. (ADI) stands as a global leader in analog and mixed-signal technology, pioneering transformative solutions since 1965. Renowned for innovation, ADI's diverse portfolio of high-performance integrated circuits spans precision amplifiers, data converters, sensors, and digital signal processing.

 

Conclusion

The ADI LTM4644IY#PBF is a versatile quad DC/DC μModule regulator that simplifies power management in complex electronic systems. Its compact BGA package, high efficiency, and industrial-grade specifications make it an excellent choice for engineers seeking reliable, space-saving, and high-performance solutions. Whether for networking, industrial, or embedded applications, this module ensures stable, efficient, and precise power delivery.

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