FDMF5839 - onsemi

Manufacturer Part Number

FDMF5839

Manufacturer

onsemi

Introduction

The FDMF5839 from onsemi is a UMOS technology-based half-bridge (H Bridge) driver designed for synchronous buck converters. It is part of the PowerTrench®, SyncFET™ series.

Product Features and Performance

Output Configuration: Half Bridge

Technology: UMOS

Rds On (Typ): 650mOhm LS, 650mOhm HS

Current Output / Channel: 35A

Voltage Supply: 4.5V ~ 5.5V

Voltage Load: 4.5V ~ 24V

Operating Temperature: -40°C ~ 150°C (TJ)

Features: Bootstrap Circuit, Latch Function, Status Flag

Fault Protection: Over Temperature, UVLO

Product Advantages

High integration simplifies circuit design

Efficient power handling capability

High thermal performance and reliability

Key Technical Parameters

Rds On: 650mOhm both Low-Side and High-Side

Continuous Output Current: 35A

Supply Voltage Range: 4.5V to 5.5V

Load Voltage Range: 4.5V to 24V

Quality and Safety Features

Over Temperature Protection

Under Voltage Lockout (UVLO)

Compatibility

Packaged in a 31-PowerWFQFN configuration

Interface with PWM control systems

Application Areas

Power management in Synchronous Buck Converters

Product Lifecycle

Status: Obsolete

Note: Potential replacements or upgrades may be available

Several Key Reasons to Choose This Product

Delivers robust power management capability for high-performance applications

Compact 31-PQFN package optimizes board space

Integrated safety features enhance reliability

Broad compatibility with inductive load types

Suitable for high-temperature operations up to 150°C