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LTM4637IY

Name: LTM4637IY
Rating: 4.7 (12 reviews)

DC DC CONVERTER 0.6-5.5V 110W

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資料表 LTM4637IY DataSheet
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規格

Series	µModule®
Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	20V
Voltage - Output 1	0.6 ~ 5.5V
Current - Output (Max)	20A
Applications	ITE (Commercial)
Features	OCP, OTP, OVP
Operating Temperature	-40°C ~ 125°C
Efficiency	88%
Mounting Type	Surface Mount
Package / Case	133-BBGA Module
Size / Dimension	0.59" L x 0.59" W x 0.19" H (15.0mm x 15.0mm x 4.9mm)
Supplier Device Package	133-BGA (15x15)
Base Product Number	LTM4637

概述

Description

The LTM4637IY is a compact, high-efficiency DC-DC step-down power module designed by Linear Technology (now part of Analog Devices). It integrates a step-down regulator, power switches, and passive components within a single package, simplifying the design process for power conversion applications. The module supports an input voltage range of 4.5V to 32V and can deliver up to 20A of output current.
Key features include high efficiency (up to 95%), adjustable output voltage (from 0.8V to 15V), and a low ripple output that makes it suitable for powering sensitive electronics. The LTM4637IY also offers built-in thermal protection and current sharing capabilities, enabling parallel operation for higher output current applications. Its small 15mm x 15mm LGA package allows for efficient PCB layout and reduced space requirements, making it ideal for telecommunications, industrial, and automotive applications. Overall, the LTM4637IY provides a versatile, reliable, and compact solution for various power management needs.

Features

The LTM4637IY is a high-efficiency, step-down DC-DC power module designed for a wide range of applications. Here are its key features:
1. Output Voltage: Adjustable output voltage ranging from 0.6V to 5.5V.
2. Input Voltage Range: Accepts input voltages from 4.5V to 60V.
3. Current Capability: Delivers up to 3A of continuous output current per channel.
4. Efficiency: High efficiency, typically over 90% across a wide load range, reducing thermal management requirements.
5. Integrated Components: Combines the power inductor, controller, and MOSFETs in a compact package, simplifying design and PCB layout.
6. Thermal Protection: Features over-temperature protection and short-circuit protection.
7. Small Footprint: Available in a compact 15mm x 8mm LGA package, suitable for space-constrained applications.
8. Power Good Signal: Provides a power good output signal for monitoring system health.
These features make the LTM4637IY suitable for applications in telecommunications, industrial, and consumer electronics.

Package

The LTM4637IY is packaged in a compact 7mm x 7mm LGA (Land Grid Array) format, which facilitates efficient thermal performance and minimizes footprint for high-density applications.

Pinout

The LTM4637IY is a microSiP DC-DC step-down power module from Analog Devices, featuring a total of 36 pins. It integrates a power controller, power MOSFETs, inductor, and passive components within a compact package.
The key functions of the pins include:
- Power Input/Output Pins: VIN (input voltage), VOUT (output voltage) for power delivery.
- Control Pins: EN (enable), RUN (run), and others for controlling the operation of the module.
- Feedback Pins: VFB (feedback) for voltage regulation.
- Compensation Pins: For stability and performance tuning.
- Frequency Setting Pins: Configurable options for switching frequency.
- Thermal and Fault Reporting: Pins for monitoring temperature and fault conditions.
The module supports a wide input voltage range and is designed to provide high efficiency and compactness in various applications. For detailed functionalities, consult the datasheet.

Manufacturer

The LTM4637IY is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company caters to various industries, including communications, automotive, industrial, healthcare, and consumer electronics. Founded in 1965, Analog Devices is known for its innovative solutions in data conversion, signal processing, and power management, providing essential components for advanced electronic systems.

Application

The LTM4637IY is a high-efficiency, dual-output DC-DC step-down power module. It is commonly used in applications such as telecommunications, data centers, industrial automation, robotics, and automotive systems. Its compact design and ability to deliver high current make it suitable for powering processors, FPGAs, and other high-performance digital circuits. Additionally, it is ideal for applications requiring low noise and thermal management.

Equivalent

Equivalent products to the LTM4637IY, a step-down DC-DC converter from Analog Devices, include the following:
1. LMZ31710 (Texas Instruments)
2. TPS563201 (Texas Instruments)
3. LTC3780 (Analog Devices)
4. LTM4622 (Analog Devices)
Always verify specifications and compatibility for your specific application.