LTM4677IY#PBF

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LTM4677IY#PBF

+BOM

DC DC CNVRTR 0.5-1.8V 0.5-1.8V

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사양

속성 가치
Series µModule®
PartStatus Active
Type Isolated Module
NumberofOutputs 2
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 16V
Voltage-Output1 0.5 ~ 1.8V
Voltage-Output2 0.5 ~ 1.8V
Current-Output(Max) 18A, 18A
Applications ITE (Commercial)
Features Remote On/Off, OTP, OVP, SCP, UVLO
OperatingTemperature -40°C ~ 125°C
MountingType 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)
SupplierDevicePackage 144-BGA (16x16)
BaseProductNumber LTM4677

개요

Description

The LTM4677IY#PBF is a high-performance, dual 18A or single 36A step-down µModule regulator from Analog Devices, designed for power management in complex electronic systems. It integrates power MOSFETs, inductors, and supporting components into a compact package, simplifying the design process and minimizing board space. The device features high efficiency and fast transient response, making it suitable for powering FPGAs, ASICs, and microprocessors. Key features include digital power system management via PMBus, which allows for programmable control and telemetry for voltage, current, and temperature monitoring. The LTM4677 also supports remote sensing, configurable fault protection, and output voltage tracking. Its input voltage range is 4.5V to 16V, while the output voltage is adjustable from 0.5V to 5.5V. The device offers a wide operating temperature range, making it suitable for various industrial and telecommunications applications. By providing advanced digital control and a high level of integration, the LTM4677IY#PBF enhances system reliability and performance in a simplified design footprint.

Equivalent

The LTM4677IY#PBF is a dual 18A step-down µModule regulator produced by Analog Devices. Equivalent products could include similar high-current, step-down power modules from other manufacturers, such as:
1. Texas Instruments TPSM846C24 – A 35A Power Module with PMBus.
2. Murata MYMGC2R0EKF16RA – A 16A DC-DC converter.
3. Vicor PI3586 – A Cool-Power ZVS Buck Regulator.
When selecting alternatives, ensure compatibility in terms of electrical specifications, package, and thermal performance.

Features

The LTM4677IY#PBF is a dual-output step-down µModule regulator from Analog Devices. Key features include:
1. Dual 18A Outputs: It can provide up to 36A with two phases combined.
2. Input Voltage Range: Operates from 4.5V to 16V.
3. Output Voltage Range: Adjustable from 0.5V to 3.3V.
4. High Efficiency: Achieves high efficiency through advanced control techniques.
5. PMBus Interface: Supports digital power system management with telemetry, fault logging, and real-time parameter monitoring.
6. Fast Transient Response: Optimized for rapid load changes.
7. Parallel Operation: Supports current sharing for higher output currents.
8. Compact Package: Comes in a 16mm x 16mm x 5.86mm BGA package.
9. Overvoltage and Overcurrent Protection: Ensures reliable operation under fault conditions.
10. Temperature Monitoring: Integrated temperature sensing for enhanced reliability.
These features make it suitable for a wide range of applications, including telecommunications, data communications, and high-performance computing systems.

Pinout

The LTM4677IY#PBF is a dual 18A or single 36A step-down µModule regulator from Analog Devices. It is encapsulated in a BGA package with a pin count of 144. The module is designed for high-performance power management applications, providing precise output voltage regulation with fast transient response. Key functions of the LTM4677 include:
1. Dual-channel operation: Each channel can deliver up to 18A, and they can be paralleled for a single 36A output.
2. PMBus interface: Enables digital control and monitoring, allowing for programming of output voltage, switching frequency, and fault thresholds.
3. Efficient power conversion: Features a high-efficiency power stage in a compact form factor.
4. Advanced protection: Includes overcurrent, overvoltage, and overtemperature protection mechanisms.
5. Remote sensing: Ensures accurate voltage regulation at the load point.
6. Configurable sequencing and margining: Supports flexible power-up and power-down sequences.
These attributes make the LTM4677 suitable for applications in telecommunications, data centers, and industrial systems requiring high-density power solutions.

Manufacturer

The LTM4677IY#PBF is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including automotive, communications, industrial, healthcare, and consumer electronics, providing solutions that enhance the performance and efficiency of electronic devices.

Application

The LTM4677IY#PBF is a highly integrated power management module designed for various applications. Its primary use is in high-performance computing systems, including data centers and enterprise servers, where efficient power conversion and management are crucial. It is also suitable for telecommunications equipment, networking infrastructure, and industrial automation systems. The module's compact form factor and precise voltage regulation capabilities make it ideal for applications requiring space-efficient power solutions with high power density, such as FPGA and ASIC power supplies. Additionally, it can be used in medical devices and aerospace systems, where reliability and performance are critical.

Package

The LTM4677IY#PBF is an integrated DC/DC power module by Analog Devices, featuring a high-density package. It is encapsulated in a BGA (Ball Grid Array) package, which enhances thermal performance and simplifies PCB layout.

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