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LTM4650AIY

Name: LTM4650AIY
Rating: 4.7 (12 reviews)

DC DC CNVRTR 0.6-5.5V 0.6-5.5V

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規格

Series	µModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	2
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	16V
Voltage - Output 1	0.6 ~ 5.5V
Voltage - Output 2	0.6 ~ 5.5V
Current - Output (Max)	25A, 25A
Applications	ITE (Commercial)
Features	OCP, OVP, SCP, UVLO
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	144-BBGA Module
Size / Dimension	0.63" L x 0.63" W x 0.20" H (16.0mm x 16.0mm x 5.0mm)
Supplier Device Package	144-BGA (16x16)
Base Product Number	LTM4650
Control Features	Enable, Active High

概述

Description

The LTM4650AIY is a high-performance DC-DC step-down power module designed by Analog Devices. It provides a compact solution for generating adjustable output voltages from a wide input voltage range, typically between 4.5V and 36V. The module integrates a switching regulator with an onboard inductor, capacitors, and other passive components, allowing for simplified design and reduced space requirements.
Key features include a power output capability of up to 10A, high efficiency (up to 95%), and a variety of output voltage options that can be set between 0.8V and 15V. The LTM4650AIY also incorporates functions such as thermal shutdown and overcurrent protection, ensuring robust operation in demanding environments.
Its compact size and integrated design make it suitable for applications in telecommunications, industrial equipment, and portable devices where efficient power conversion is critical. Overall, the LTM4650AIY offers a reliable and efficient solution for power management in modern electronic systems.

Features

The LTM4650AIY is a high-performance step-down power module from Analog Devices that integrates a DC/DC converter. Key features include:
1. Output Voltage Range: Adjustable output from 0.8V to 5V.
2. Output Current: Capable of delivering up to 50A continuous output current.
3. Efficiency: High efficiency, typically up to 95%, reducing power loss and heat generation.
4. Input Voltage Range: Accepts input voltages from 4.5V to 36V.
5. Control: Features a current mode control architecture for fast transient response and stability.
6. Thermal Performance: Built-in thermal protection with a compact design suitable for tight spaces.
7. Integrated Components: Includes the power inductor and all necessary passives in a single module, simplifying the design process.
8. Power Good Indicator: Provides a power good status output for monitoring.
9. Packaging: Available in a compact LGA package.
These features make the LTM4650AIY ideal for high-density applications in telecommunications, automotive, and industrial systems.

Package

The LTM4650AIY is packaged in a 9mm x 15mm rectangular LGA (Land Grid Array) package. This compact format is designed for high-efficiency, step-down power management applications.

Pinout

The LTM4650AIY is a high-performance DC/DC step-down power module with a pin count of 24. It is designed for applications requiring a compact, efficient power supply solution. The key functions of its pins include:
1. Input Voltage (VIN) - Power input for the module.
2. Control and Enable (RUN, SS) - For enabling/disabling the module and soft-start functionality.
3. Output Voltage (VOUT) - Regulated output voltage.
4. Feedback (FB) - For voltage feedback to maintain regulation.
5. Compensation (COMP) - For loop compensation.
6. Power Good (PG) - Indicates the status of the output voltage.
7. Thermal and Protection Pins - For thermal monitoring and protection features.
The LTM4650AIY integrates power management functions, making it suitable for space-constrained applications while delivering high efficiency and performance.

Manufacturer

The LTM4650AIY is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves a variety of industries, including automotive, communications, healthcare, industrial automation, and consumer electronics. Known for its innovative solutions, Analog Devices focuses on developing technology that enhances the performance and efficiency of electronic systems. The LTM4650AIY specifically is a step-down power module, designed for applications requiring compact, efficient power management solutions.

Application

The LTM4650AIY is a dual DC-DC step-down power module primarily used in applications such as telecommunications, data centers, industrial equipment, and automotive systems. Its compact design makes it suitable for powering FPGA, microprocessors, and other digital loads in space-constrained environments. Additionally, it offers high efficiency and adjustable output voltage, making it ideal for various embedded systems and power supply designs.

Equivalent

Equivalent products to the LTM4650AIY chip include the LTM4650A, LTM4644, LTM4646, and LTM4670 from Analog Devices. Other alternatives may include similar DC-DC step-down converters from manufacturers like Texas Instruments (e.g., TPS54040) and Maxim Integrated (e.g., MAXM17598). Always verify specifications and application requirements for compatibility.