LTM4677IY

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LTM4677IY

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DC DC CNVRTR 0.5-1.8V 0.5-1.8V

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仕様

属性
Series µModule®
PartStatus Active
Type Non-Isolated PoL 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

概要

Description

The LTM4677IY is a highly efficient, dual 18A or single 36A step-down μModule (micro-module) regulator designed by Analog Devices. It is part of the Power by Linear series and is used for point-of-load regulation in various applications such as telecommunications, data centers, and general-purpose power supplies.
The module simplifies the design process by integrating the DC/DC controller, power MOSFETs, inductor, and support components into a compact package. It operates over an input voltage range of 4.5V to 16V and outputs voltage as low as 0.6V, with precise control over the output through a digital interface using PMBus.
Key features include high efficiency, low output ripple, fast transient response, and the ability to parallel multiple modules for higher current applications. The LTM4677IY also supports extensive fault protection, telemetry, and monitoring, making it a robust solution for demanding environments. Its compact size and ease of use make it ideal for space-constrained applications requiring high power density.

Equivalent

The LTM4677IY is a dual 18A or single 36A step-down µModule regulator by Analog Devices. Equivalent products would be other high-current DC/DC step-down regulators or power modules with similar specifications. Possible alternatives include the TI TPSM846C23, Maxim Integrated's MAX20751, and Murata's MYMGK2R8335ERS. Ensure to compare the exact specifications, pin compatibility, size, and thermal performance to determine suitability as a direct replacement.

Features

The LTM4677IY is a high-performance, dual 18A or single 36A step-down μModule® regulator from Analog Devices. Key features include:
1. High Efficiency: The device delivers high efficiency across a wide output voltage range, making it suitable for power-sensitive applications.

2. Compact Design: Housed in a compact BGA package, it provides space-saving advantages for dense circuit board layouts.
3. Flexible Configuration: It can be easily configured for dual 18A or single 36A operation, providing design flexibility.
4. Digital Power System Management (PSM): Supports digital PSM via PMBus/I²C interface for real-time monitoring, control, and diagnostics, enhancing system reliability and performance.
5. Wide Input Voltage Range: Supports a broad input voltage range, allowing for multiple input sources.
6. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation under fault conditions.
7. Fast Transient Response: It offers a fast transient response to dynamic load changes, beneficial in applications with varying power demands.
These features make the LTM4677IY ideal for applications needing reliable, high-performance power conversion within a compact footprint.

Pinout

The LTM4677IY is a dual 18A or single 36A step-down μModule (power module) regulator. It is produced by Analog Devices, Inc. and is designed for a wide range of applications including telecom, datacom, industrial, and medical. The package of the LTM4677IY is a compact BGA (Ball Grid Array) with 144 pins.
Key functions and features of the LTM4677IY include:
- Dual 18A or single 36A output capability
- Input voltage range: 4.5V to 16V
- Output voltage range: 0.5V to 5.5V
- High efficiency
- Integrated DC/DC step-down regulator, power MOSFETs, inductor, and supporting components
- PMBus-compliant digital interface for remote monitoring and control
- Configurable for parallel operation to increase output current
- Fast transient response and excellent temperature performance
- Overvoltage, overcurrent, and overtemperature protection features
The unit's compact design allows for integration into space-constrained systems while providing robust performance, making it suitable for demanding power supply applications.

Manufacturer

The LTM4677IY is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of integrated circuits used in analog, mixed-signal, and digital signal processing applications. The company serves diverse markets, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its innovative solutions and high-performance products that are widely used in applications requiring precise measurement and control.

Application

The LTM4677IY is a dual 18A or single 36A step-down µModule regulator designed for high-performance power management applications. It is commonly used in areas requiring efficient power conversion and regulation, such as telecommunications, data centers, industrial equipment, networking systems, and computing infrastructure. Its compact design and high power density make it suitable for applications with space constraints. Additionally, it is often utilized in applications requiring precise voltage regulation and dynamic response, including FPGAs, ASICs, and processors in complex electronic systems. The LTM4677IY's advanced monitoring and control features also support its use in environments demanding robust system management and fault detection capabilities.

Package

The LTM4677IY is a μModule (micromodule) regulator from Analog Devices. Its package type is a BGA (Ball Grid Array), specifically designed for power management applications, integrating power components into a compact form factor ideal for space-constrained designs.