LT3752HFE#WPBF

Overview

The LT3752HFE#WPBF is a current mode PWM controller optimized for active clamp forward converter topologies, housed in a 38-lead TSSOP package. It integrates a DC/DC housekeeping controller to eliminate auxiliary windings. The device supports high-efficiency synchronous rectification and features an internal bias supply regulator. Operating junction temperatures range from –40°C to 150°C, ensuring reliability in demanding environments. It provides precise voltage regulation with fast transient response capabilities suitable for industrial applications.

Feature Summary

• Integrates a dedicated DC/DC housekeeping controller to remove the need for auxiliary transformer windings
• Optimized for active clamp forward topology to achieve high efficiency and reduced switching losses
• Supports synchronous rectification for improved secondary side performance
• Operates reliably across extended industrial temperature ranges

Applications

• Industrial power supplies
• Telecommunications equipment
• Server and data center power systems

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm lot traceability and RoHS compliance status prior to acquisition. Ensure storage conditions meet manufacturer specifications to prevent moisture sensitivity issues. Validate that the specific suffix matches design requirements for thermal and electrical performance.

Selection Notes

Select this controller when designing active clamp forward converters requiring integrated housekeeping power. It is suitable for applications needing high efficiency without auxiliary winding complexity. Consider the 38-lead TSSOP package for board space constraints. Ensure input voltage ranges align with system requirements for optimal UVLO performance.

Part Context

This component belongs to the LT3752 family of switching controllers designed for forward converter applications. It shares architectural similarities with other members but offers specific pinout and thermal characteristics tailored for high-power density designs. The series emphasizes simplified design processes by integrating critical control functions on-chip.

Replacement Considerations

LT3752EFE#WPBF serves as a verified alternative within the same package and performance class. LT3752IFE#PBF is another compatible option offering similar functionality in standard plastic packaging. Verify thermal management requirements when substituting between different package variants.