FDMF5821DC - onsemi

Manufacturer Part Number

FDMF5821DC

Manufacturer

onsemi

Introduction

The FDMF5821DC is a highly integrated power management integrated circuit (PMIC) designed for efficient power conversion and management, specifically within synchronous buck converter applications.

Product Features and Performance

Incorporates PowerTrench and SyncFET technology for improved performance

Features a Half Bridge output configuration optimized for synchronous buck converters

Utilizes UMOS technology offering lower on-resistance for increased efficiency

Includes a bootstrap circuit for high-side gate drive

Latch function and status flag for enhanced operational safety and feedback

Over Temperature and Under Voltage Lock Out (UVLO) fault protection mechanisms for improved safety and reliability

Product Advantages

High current handling capability of 60A suitable for demanding applications

Low Rds On values (470mOhm Low-Side, 680mOhm High-Side) for reduced power loss

Direct PWM interface capability for easier integration into power systems

Compact 31-PowerWFQFN package enables space-efficient designs

Key Technical Parameters

Rds On (Typ): 470mOhm LS, 680mOhm HS

Current Output / Channel: 60A

Voltage Supply: 4.5V ~ 5.5V

Voltage Load: 4.5V ~ 16V

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Integrated fault protection for over temperature and under voltage conditions

Latch function to prevent unintended operation

Status Flag for real-time operational feedback

Compatibility

Designed for use with synchronous buck converter applications

PWM interface support for broad compatibility with control architectures

Application Areas

DC-DC power conversion in computing and networking equipment

Power supply modules for industrial and automation systems

High-performance power management solutions for consumer electronics

Product Lifecycle

Obsolete status indicates that the product is nearing the end of its lifecycle

Alternatives or upgrades may be available, requiring consultation with onsemi for future designs

Several Key Reasons to Choose This Product

High-efficiency synchronous buck conversion due to advanced PowerTrench and SyncFET technology

Robust fault protection features safeguarding against over temperature and voltage anomalies

High current output capability meeting the needs of power-intensive applications

Compact and thermally efficient package design facilitating integration into space-constrained environments

Direct compatibility with PWM interfaces simplifies system design and integration processes