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LTM4678EY#PBF

Name: LTM4678EY#PBF
Rating: 4.7 (12 reviews)

DC DC CNVRTR 0.5-3.3V 0.5-3.3V

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Mfr.부분 #LTM4678EY#PBF
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데이터시트 LTM4678EY#PBF DataSheet
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사양

Series	LTM®, uModule®
Part Status	Active
Type	Non-Isolated PoL Module, Digital
Number of Outputs	2
Voltage - Input (Min)	5.75V
Voltage - Input (Max)	16V
Voltage - Output 1	0.5 ~ 3.3V
Voltage - Output 2	0.5 ~ 3.3V
Current - Output (Max)	25A, 25A
Applications	ITE (Commercial)
Features	OCP, OTP, OVP, 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 0.23" H (16.0mm x 16.0mm x 6.3mm)
Supplier Device Package	144-BGA (16x16)
Base Product Number	LTM4678

개요

Description

The LTM4678EY#PBF is a high-performance, dual-output, step-down DC-DC power module designed for a wide range of applications including industrial, telecommunications, and automotive systems. It features an integrated DC-DC converter that provides two adjustable outputs, capable of delivering up to 6A of output current per channel. The device operates from a wide input voltage range of 4.5V to 15V and can generate output voltages as low as 0.8V.
Key features include high efficiency, excellent transient response, and a small footprint (measuring only 15mm x 15mm). It also incorporates a host of protection features such as overcurrent protection, thermal shutdown, and UVLO (Under Voltage Lockout). The LTM4678 supports various control modes, allowing for flexible and optimized performance in different applications. Its ease of use and integration make it suitable for designers looking to streamline power supply design while minimizing board space and component count.

Features

The LTM4678EY#PBF is a high-efficiency, dual-output DC-DC step-down power module from Analog Devices' LT® series. Key features include:
1. Dual Outputs: Capable of providing two adjustable output voltages from a single input source.
2. Wide Input Voltage Range: Operates from 4.5V to 28V, accommodating various applications.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat dissipation.
4. Output Current: Supports up to 6A per channel, suitable for demanding loads.
5. Digital Control: Provides precise output voltage adjustment via external resistors or digital control through an I2C interface.
6. Power Good Signal: Indicates when outputs are within regulation limits.
7. Thermal Protection: Includes features for over-temperature and over-current protection.
8. Compact Design: Available in a compact, thermally efficient package.
Ideal for use in telecommunications, industrial, and automotive applications, the LTM4678EY#PBF is designed for high performance and reliability in space-constrained environments.

Package

The LTM4678EY#PBF is packaged in a 16-lead HTQFN (Heat Sink Thin Quad Flat No-lead) package, featuring a compact design for efficient thermal performance and space-saving applications.

Pinout

The LTM4678EY#PBF is a dual output DC/DC step-down power module with a pin count of 32. It is designed to provide adjustable output voltages for a variety of applications. The module features a wide input voltage range and integrates power management functions, including voltage regulation and current sharing.
Key functions of the pins include:
- Input Voltage Pins (VIN, GND): Connect the input power supply.
- Output Voltage Pins (VOUT1, VOUT2): Deliver regulated output voltages.
- Feedback Pins (FB1, FB2): Used for voltage feedback to maintain regulation.
- Compensation Pins (COMP1, COMP2): For compensation network connection.
- Control Pins (RUN, ISET, etc.): For enabling/disabling the module and setting output current limits.
- Status Pins (PGOOD, ALERT): Provide status feedback regarding output voltages.
The LTM4678 is suitable for high-density applications in telecommunications, automotive, and industrial systems.

Manufacturer

The LTM4678EY#PBF 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, it serves various industries, including communications, automotive, healthcare, industrial automation, and consumer electronics. The company's products are widely used in applications requiring precision and reliability, such as data acquisition, signal processing, and power management. The LTM4678 is a dual, step-down DC-DC power module, showcasing Analog Devices' focus on delivering innovative solutions in power management.

Application

The LTM4678EY#PBF is a dual 20A step-down Power Module primarily used in applications such as telecommunications, data centers, industrial equipment, and medical devices. Its compact design and high efficiency make it suitable for powering processors, FPGAs, and other high-performance electronics requiring precise voltage regulation and power management.

Equivalent

Equivalent products to the LTM4678EY#PBF include the Texas Instruments TPS563201, Analog Devices LTC7120, and the Infineon TLE7185. These alternatives provide similar features such as step-down voltage regulation, adjustable output voltage, and power management capabilities. Always check specific parameters to ensure compatibility for your application.