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LTM4643MPY

Name: LTM4643MPY
Rating: 4.7 (12 reviews)

DC DC CONVERTER 3X0.6-3.3V

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仕様

Series	µModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	4
Voltage - Input (Min)	4V
Voltage - Input (Max)	20V
Voltage - Output 1	0.6 ~ 3.3V
Voltage - Output 2	0.6 ~ 3.3V
Voltage - Output 3	0.6 ~ 3.3V
Current - Output (Max)	3A, 3A, 3A, 3A
Applications	ITE (Commercial)
Features	OCP, OTP, OVP
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	77-BBGA Module
Size / Dimension	0.59" L x 0.35" W x 0.10" H (15.0mm x 9.0mm x 2.4mm)
Supplier Device Package	77-BGA (15x9)
Base Product Number	LTM4643

概要

Description

The LTM4643MPY is a high-performance, step-down DC-DC power module designed by Analog Devices, specifically optimized for powering processors and other high-performance loads. It features a wide input voltage range from 4.5V to 18V and can deliver up to 3A of output current. The module incorporates a switching regulator topology, providing high efficiency and thermal performance.
Key features include an integrated inductor, low output ripple, and a compact design suitable for space-constrained applications. The LTM4643MPY also supports parallel operation for increased current capability and offers built-in protections such as overvoltage, overcurrent, and thermal shutdown.
The device is suitable for various applications, including telecommunications, industrial automation, and automotive systems. Its ease of use, coupled with a range of configurable output voltage options, makes it an ideal choice for designers looking for reliable power solutions in a small footprint.

Features

The LTM4643MPY is a high-performance DC-DC step-down power module from Analog Devices. Key features include:
1. Output Voltage: Adjustable output voltage ranging from 0.8V to 5V.
2. Output Current: Supports up to 3A output current per channel.
3. Efficiency: High efficiency, typically up to 95%, which minimizes heat generation.
4. Input Voltage Range: Accepts input voltages from 4.5V to 15V.
5. Integrated Inductor: Combines the power management functions and an integrated inductor in a compact package.
6. Thermal Performance: Offers efficient thermal management with a compact footprint.
7. Compensation: Built-in compensation for simplified design.
8. Power Good Indicator: Provides a power good signal for monitoring.
9. Soft-Start Function: Features adjustable soft-start to limit inrush current.
10. Package Type: Available in a compact 15mm x 15mm LGA package for space-constrained applications.
These features make the LTM4643MPY suitable for various applications in telecommunications, industrial, and automotive sectors.

Package

The LTM4643MPY is packaged in a 16-lead LGA (Land Grid Array) format. This compact package design helps minimize the overall footprint, making it suitable for high-density applications.

Pinout

The LTM4643MPY is a dual 6A step-down DC-DC µModule regulator from Analog Devices. It features a total of 30 pins.
The primary functions of the pins include:
- Input Voltage: Pins for connecting the input voltage supply.
- Output Voltage: Pins for output voltage taken from the regulator.
- Control Pins: Enable and control pins for adjusting the operation of the regulator.
- Compensation: Pins for compensation networks to stabilize the feedback loop.
- Feedback: Feedback pins for voltage regulation.
- Thermal and Safety Features: Pins for thermal monitoring and protection functionalities.
The device offers high efficiency and compact design, suitable for various applications in power management. For detailed pin assignments and functions, refer to the manufacturer's datasheet.

Manufacturer

The LTM4643MPY is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a variety of industries, including communications, automotive, industrial automation, and healthcare, providing solutions for signal processing, data conversion, and connectivity. The LTM4643MPY specifically is a high-efficiency step-down voltage regulator module designed for power management applications.

Application

The LTM4643MPY is a high-efficiency, 4A step-down DC-DC converter suitable for applications in telecommunications, industrial equipment, and automotive systems. It is ideal for powering FPGAs, microcontrollers, and other digital loads that require precise voltage regulation. Its compact design makes it suitable for use in space-constrained environments, such as servers, routers, and portable devices. Additionally, it can be used in battery-powered applications due to its low quiescent current.

Equivalent

The LTM4643MPY is a step-down DC-DC regulator by Analog Devices. Equivalent products include the LTM4601, LTM4613, and LTM4620, which also provide high efficiency, compact designs, and adjustable output voltages. Other alternatives are the TPS563201 from Texas Instruments and the LTC7148, also by Analog Devices, which offer similar functionalities and performance specifications. Always verify compatibility based on specific application requirements.