FDMF6704A

Full Half-Bridge (H Bridge) Drivers Overview

The FDMF6704A is a high-performance DrMOS module from the XS series, integrating a half-bridge driver and power MOSFETs in a 40-MLP package. It operates with a supply voltage of 4.5V to 5.5V and supports load voltages from 3V to 14V. The device delivers an output current of 35A per channel with a peak output capability of 80A. Key electrical parameters include rise and fall times of 25ns and 20ns respectively, and a quiescent current of 2mA. It functions within a temperature range of -55°C to +150°C TJ.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-side and low-side drivers with synchronous rectification in a compact DrMOS configuration.
• Includes bootstrap circuit functionality for efficient high-side gate driving.
• Provides fault protection against shoot-through conditions and under-voltage lockout (UVLO).

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converters
• Point-of-load (POL) regulation
• Server and workstation power supplies

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized channels as the FDMF6704 series has reached end-of-life status. Confirm specific suffix designations match application requirements. Review datasheet revisions for any parameter updates. Ensure thermal management aligns with the 40-MLP package specifications. Validate RoHS compliance documentation prior to integration.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for applications requiring high current density and fast transient response in space-constrained designs. The integrated DrMOS topology reduces external component count compared to discrete solutions. Consider the 40-MLP footprint for PCB layout optimization. Evaluate thermal performance at maximum load currents to ensure reliability within the specified operating temperature range.

Full Half-Bridge (H Bridge) Drivers Part Context

The FDMF6704A belongs to onsemi's XS DrMOS family, originally developed by Fairchild Semiconductor. This series targets high-efficiency power conversion needs in computing and telecommunications infrastructure. The module combines gate drive logic with silicon power stages to minimize switching losses and improve overall system efficiency.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.