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LTM4644IY-1

Name: LTM4644IY-1
Rating: 4.7 (12 reviews)

DC DC CONVERTER 4X0.6-5.5V

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資料表 LTM4644IY-1 DataSheet
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規格

Series	µModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	4
Voltage - Input (Min)	4V
Voltage - Input (Max)	14V
Voltage - Output 1	0.6 ~ 5.5V
Voltage - Output 2	0.6 ~ 5.5V
Voltage - Output 3	0.6 ~ 5.5V
Voltage - Output 4	0.6 ~ 5.5V
Current - Output (Max)	4A, 4A, 4A, 4A
Applications	ITE (Commercial)
Features	OCP, OTP, OVP
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	77-BBGA Module
Size / Dimension	0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm)
Supplier Device Package	77-BGA (15x9)
Base Product Number	LTM4644

概述

Description

The LTM4644IY-1 is a high-performance, step-down power module designed by Analog Devices. It integrates a switching regulator with built-in inductors, capacitors, and necessary components in a compact package, making it suitable for space-constrained applications. The module provides an output voltage range of 0.8V to 5V with a maximum output current of 4A per channel.
Key features include high efficiency, low ripple, and the ability to operate from a wide input voltage range (4.5V to 20V). It includes an onboard digital power management interface for monitoring and control, enhancing system flexibility and integration.
The LTM4644IY-1 is ideal for applications in telecommunications, industrial, and consumer electronics where reliable power management is essential. Its compact design, coupled with robust performance, allows for ease of use in various circuit designs, simplifying power supply solutions.

Features

The LTM4644IY-1 is a high-performance DC/DC step-down power module from Analog Devices, designed for efficient power management in various applications. Key features include:
- Output Voltage Range: Adjustable output voltage from 0.8 V to 5 V.
- Output Current: Capable of delivering up to 4 A of output current.
- High Efficiency: Efficiency up to 95%, minimizing heat generation.
- Integrated Inductor: Includes a micro-sized, integrated inductor for space-saving designs.
- Power Good Indicator: Provides a power-good signal for monitoring output voltage.
- Thermal Protection: Features thermal shutdown protection to prevent overheating.
- Fault Protection: Short-circuit and overcurrent protection features ensure reliability.
- Low Quiescent Current: Designed for low stand-by power consumption.
- Compact Size: Available in a compact 15mm x 15mm package, suitable for dense layouts.
Overall, the LTM4644IY-1 provides a robust solution for powering processors, FPGAs, and other high-performance devices.

Package

The LTM4644IY-1 is packaged in a compact 28-lead 5mm x 7mm QFN (Quad Flat No-lead) package. This type of packaging offers a low profile and efficient thermal performance, making it suitable for space-constrained applications.

Pinout

The LTM4644IY-1 is a step-down DC-DC converter from Analog Devices' LTC series, featuring a 16-pin LQFN package. It is designed to deliver up to 4A of output current with a wide input voltage range.
### Pin Count and Functions:
- Total Pins: 16
- Key Pins:
- VIN: Input voltage supply.
- VOUT: Output voltage.
- GND: Ground connection.
- SW: Switch node for the inductor.
- RUN: Enable pin to control operation.
- VFB: Feedback voltage to regulate output.
- COMP: Compensation network connection.
- ILIM: Current limit setting.
- SS: Soft-start control.
For detailed specifications, refer to the manufacturer's datasheet.

Manufacturer

The manufacturer of the LTM4644IY-1 is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing technologies. They design and manufacture a wide range of products, including data converters, amplifiers, and power management solutions, catering to various industries such as automotive, communications, healthcare, and industrial applications. The LTM4644IY-1 is a step-down voltage regulator known for its high efficiency and compact package, making it suitable for applications requiring precise power management.

Application

The LTM4644IY-1 is a high-performance DC-DC step-down power module primarily used in applications such as telecommunications, industrial equipment, medical devices, and data centers. Its compact design and efficient power conversion make it suitable for powering processors, FPGAs, and other digital loads, as well as in battery-powered devices due to its low quiescent current. Additionally, it is ideal for applications requiring precise voltage regulation and high efficiency in space-constrained environments.

Equivalent

The LTM4644IY-1 is a dual power module from Analog Devices. Equivalent products include the LTM4644IY-2, which offers similar specifications but with different output voltages, and the LTM4644IY-3, which may have variations in thermal performance. Additionally, similar products from competitors like Texas Instruments (e.g., TPS563201) and Murata (e.g., OKR-T/20-W12-C) may also serve as alternatives depending on specific application requirements. Always verify electrical specifications and thermal characteristics when considering substitutes.