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LTM4611EV#PBF

Name: LTM4611EV#PBF
Rating: 4.7 (12 reviews)

DC DC CONVERTER 0.8-5V

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規格

Series	µModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	1.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	0.8 ~ 5V
Current - Output (Max)	15A
Applications	ITE (Commercial)
Operating Temperature	-40°C ~ 125°C
Efficiency	94%
Mounting Type	Surface Mount
Package / Case	133-BLGA Module
Size / Dimension	0.59" L x 0.59" W x 0.17" H (15.0mm x 15.0mm x 4.3mm)
Base Product Number	LTM4611
Supplier Device Package	133-LGA (15x15)

概述

Description

The LTM4611EV#PBF is a high-performance, step-down (buck) DC-DC converter module designed by Analog Devices. It integrates a power management IC, inductors, and passive components into a compact package, providing a highly efficient solution for converting a wide input voltage range (4.5V to 24V) to adjustable output voltages down to 0.8V.
This module offers a maximum output current of 10A and supports a variety of applications including point-of-load power regulation for processors, FPGAs, and other digital circuits. The LTM4611 features a simple design with minimal external components, making it easy to implement. It also includes features such as low ripple voltage, thermal protection, and current sharing capability for parallel operation.
The module is housed in a compact LGA package, enhancing space efficiency in designs. Overall, the LTM4611EV#PBF is ideal for applications requiring reliable power conversion in constrained environments.

Features

The LTM4611EV#PBF is a step-down DC/DC module from Linear Technology (now part of Analog Devices) that integrates a power converter and other components in a compact package. Key features include:
1. Input Voltage Range: 4.5V to 20V, accommodating a wide range of power supply voltages.
2. Output Voltage: Adjustable output from 0.8V to 5V, with a typical current output of up to 12A.
3. High Efficiency: Up to 95%, minimizing heat generation and improving power density.
4. Integrated Inductor: Simplifies design and reduces external component count.
5. Thermal Protection: Built-in thermal overload protection safeguards against excessive temperatures.
6. Compact Size: Small 15mm x 15mm x 6.1mm LGA package suitable for space-constrained applications.
7. Power Good Indicator: Provides feedback to the system when the output voltage is within the specified range.
Overall, the LTM4611EV#PBF is ideal for applications needing high efficiency and compactness, such as telecom, industrial, and distributed power systems.

Package

The LTM4611EV#PBF is packaged in a 4mm x 6mm, 32-lead LGA (Land Grid Array) format. This compact package design is ideal for applications requiring high efficiency and low profile in power management.

Pinout

The LTM4611EV#PBF is a step-down DC-DC converter module that features a pin count of 18. This device is designed for high efficiency and can provide up to 10A of output current.
Key functions of the pins include:
1. Power Input (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. VOUT: Output voltage pin that provides the regulated output.
4. COMP: Compensation network connection for stability.
5. SS/TR: Soft-start and tracking function, used to control the output ramp-up time.
6. RUN: Enable pin to turn the converter on/off.
7. PGOOD: Power good indicator to signal output voltage status.
8. ILIM: Current limit adjustment.
9. VFB: Feedback pin for voltage regulation.
The module is designed for ease of use in applications such as distributed power systems and point-of-load (POL) conversions.

Manufacturer

The manufacturer of the LTM4611EV#PBF is Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves a wide range of markets, including industrial, automotive, communications, consumer electronics, and healthcare. Analog Devices is known for its innovative solutions in signal processing and data conversion, catering to both high-performance applications and everyday technology needs.

Application

The LTM4611EV#PBF is a step-down power module designed for applications requiring compact, high-efficiency voltage regulation. Its primary application areas include industrial equipment, medical devices, telecommunications, and automotive systems. It can be used in point-of-load (POL) conversion, powering FPGAs, microcontrollers, and DSPs, as well as in battery-powered devices where efficiency and space savings are critical.

Equivalent

The LTM4611EV#PBF is a step-down DC-DC regulator. Equivalent products include the LTC3880, LTC3863, TPS54560 from Texas Instruments, and the LM2596 from Texas Instruments. These alternatives may have similar specifications such as output voltage, current rating, and efficiency. Always check the datasheets for specific parameters to ensure compatibility with your application.