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LTM4644IY-1#PBF

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

DC DC CONVERTER 4X0.6-5.5V

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資料表 LTM4644IY-1#PBF 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#PBF is a high-performance, step-down DC-DC power module designed for use in a wide range of applications, including telecommunications, industrial equipment, and automotive systems. This module features a compact design, integrating a DC-DC converter, inductors, and passive components, which simplifies the power supply design process and reduces board space requirements.
Key features include a wide input voltage range of 4.5V to 36V and an adjustable output voltage down to 0.8V. The module supports an output current of up to 4A and offers excellent efficiency, typically exceeding 90%. It also includes built-in protection features such as overcurrent and thermal shutdown.
The LTM4644IY-1#PBF operates over a temperature range of -40°C to 125°C, making it suitable for demanding environments. Its small footprint and high power density make it ideal for applications where space is critical, while its robust performance ensures reliability and efficiency in power delivery.

Features

The LTM4644IY-1#PBF is a highly integrated step-down DC-DC power module from Analog Devices. Key features include:
1. Output Voltage: Adjustable output voltage range from 0.8V to 5.5V.
2. Output Current: Capable of delivering up to 4A of continuous output current.
3. Efficiency: High efficiency up to 95%, reducing heat dissipation.
4. Input Voltage Range: Wide input voltage range from 4.5V to 20V.
5. Power Good Indicator: Provides a power-good output to signal the health of the output voltage.
6. Thermal Protection: Integrated thermal shutdown to prevent overheating.
7. Compact Size: Miniature package (4mm x 7mm) suitable for space-constrained applications.
8. Low Ripple: Low output ripple voltage for sensitive applications.
9. Compensation: Internal compensation simplifies design and layout.
This module is ideal for applications like point-of-load regulation in telecommunications, automotive, and industrial systems.

Package

The LTM4644IY-1#PBF is packaged in a 28-lead HTSSOP (Thermal Efficient Thin Shrink Small Outline Package). This package type is designed for high thermal performance and compact design in power management applications.

Pinout

The LTM4644IY-1#PBF is a dual-output, step-down DC-DC power module from Analog Devices that features a pin count of 32. It is designed for high efficiency and compact power solutions, specifically suitable for powering FPGAs and other digital devices.
The key functions of the pins include input voltage supply (VIN), output voltage sense (VOUT), enable signals (EN), power good signals (PGOOD), and various connection points for compensation, feedback, and ground. It also includes pins for controlling each output voltage independently, as well as options for thermal and fault protection.
For precise usage and details regarding each pin's specific function, refer to the official datasheet provided by Analog Devices.

Manufacturer

The manufacturer of the LTM4644IY-1#PBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing integrated circuits (ICs) and other electronic components. They focus on high-performance analog, mixed-signal, and digital signal processing technologies. Their products serve various industries, including telecommunications, automotive, industrial automation, medical devices, and consumer electronics. The LTM4644 is a microSiP DC-DC step-down power module, highlighting the company's expertise in power management solutions.

Application

The LTM4644IY-1#PBF is a high-efficiency, step-down DC-DC μModule regulator. Its application areas include telecommunications, servers, industrial equipment, and automotive systems. It is suitable for powering processors, FPGAs, and other digital circuits, providing efficient voltage regulation in space-constrained environments. Additionally, it supports applications requiring high current and low voltage outputs.

Equivalent

The LTM4644IY-1#PBF is a step-down power module from Analog Devices. Equivalent products include the LTC4600, LTC4640, and other similar power modules from Analog Devices or competitors like Texas Instruments, Maxim Integrated, and Murata. Always confirm specifications and compatibility for specific applications before substitution.