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LTM4653IY

Name: LTM4653IY
Rating: 4.7 (12 reviews)

DC DC CONVERTER 0.5-54.5V

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資料表 LTM4653IY DataSheet
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規格

Series	LTM®, uModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	3.1V
Voltage - Input (Max)	58V
Voltage - Output 1	0.5 ~ 54.5V
Current - Output (Max)	4A
Features	OCP, OTP, OVP, UVLO
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	77-BBGA
Size / Dimension	0.59" L x 0.35" W x 0.21" H (15.0mm x 9.0mm x 5.2mm)
Supplier Device Package	77-BGA (15x9)
Base Product Number	LTM4653

概述

Description

The LTM4653IY is a high-efficiency DC-DC step-down (buck) power module designed by Analog Devices, specifically for applications requiring compact power solutions. It features a monolithic design that integrates a switching regulator, inductor, and support components, enabling a small footprint and reducing PCB space.
Key specifications include an input voltage range of 4.5V to 60V, a maximum output current of 3A, and adjustable output voltages down to 0.8V. The module employs a constant-on-time control scheme for high efficiency and fast transient response. It also includes features such as soft-start, overcurrent protection, and thermal shutdown to enhance reliability.
The LTM4653IY is ideal for industrial, automotive, and communication applications, where space and efficiency are critical. With its ease of use and high performance, it simplifies power supply design while providing robust power management solutions.

Features

The LTM4653IY is a high-performance, dual-output DC-DC step-down power module from Analog Devices. Key features include:
1. High Efficiency: Up to 95% efficiency, reducing heat and power loss.
2. Wide Input Voltage Range: Accepts 4.5V to 16V input, making it versatile for various applications.
3. Output Current: Supports up to 3A output per channel, with an adjustable output voltage from 0.8V to 5V.
4. Integrated Inductor: The compact design integrates the inductor, minimizing external components and PCB space.
5. Power Good Indicator: Provides a status output for monitoring.
6. Thermal Protection: Features over-temperature and over-current protection for reliable operation.
7. Soft-Start: Programmable soft-start feature to limit inrush current during power-up.
8. Compact Package: Available in a small, low-profile package, ideal for space-constrained applications.
These features make the LTM4653IY suitable for a range of applications, including telecommunications, industrial equipment, and automotive systems.

Package

The LTM4653IY is packaged in a 28-lead 5mm × 7mm LGA (Land Grid Array) format. This compact package is designed for high-performance applications, providing efficient thermal management and minimizing board space.

Pinout

The LTM4653IY is a micro-power step-down DC-DC converter with a pin count of 28. It is designed for high-performance applications requiring low voltage and high efficiency.
Key functions of the pins include:
1. Input Voltage (VIN): Supply voltage input.
2. Output Voltage (VOUT): Adjustable output voltage.
3. Ground (GND): Common ground reference.
4. Switching Frequency (SW): High-frequency switching output.
5. Compensation (COMP): Compensation network connections.
6. Enable (EN): For enabling or disabling the device.
7. Power Good (PG): Indicates output voltage status.
8. Feedback (FB): Feedback for voltage regulation.
The device supports a wide input voltage range, provides adjustable output voltage, and incorporates features for performance optimization, thermal protection, and fault management.

Manufacturer

The manufacturer of the LTM4653IY is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices designs, manufactures, and markets a broad range of integrated circuits (ICs) and systems for various industries, including communications, automotive, industrial, and consumer electronics. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies, contributing to advancements in various applications such as instrumentation, telecommunications, and medical devices.

Application

The LTM4653IY is a dual 3A step-down voltage regulator primarily used in applications such as point-of-load conversion for processors and FPGAs, distributed power architectures, and voltage regulation in telecom and data communication systems. Its compact design makes it suitable for space-constrained environments in industrial automation, automotive systems, and medical devices.

Equivalent

The LTM4653IY is a step-down DC-DC μModule regulator. Equivalent products include the LTC7120, LTC7130, and LTM4631 from Analog Devices. Other alternatives may include Texas Instruments' TPS54531 and TPS54620, as well as the Maxim Integrated MAXM17510. Always verify specific requirements like output voltage, current, and features when selecting an equivalent.