LT3752MPFE-1#TRPBF

Overview

The LT3752MPFE-1#TRPBF is a current mode PWM controller optimized for active clamp forward converter topologies, featuring an integrated DC/DC housekeeping controller. It supports switching frequencies from 100 kHz to 500 kHz and operates within a temperature range of -55°C to +150°C. The device utilizes a 38-pin TSSOP-EP package with exposed pad for surface mount installation. It provides isolation capability and includes shutdown functionality.

Feature Summary

• Integrated DC/DC housekeeping controller for auxiliary power generation
• Optimized control architecture for active clamp forward converters
• Synchronous rectification support for enhanced efficiency
• Extended industrial operating temperature range up to 150°C

Applications

• High-efficiency isolated DC/DC conversion systems
• Industrial power supplies requiring auxiliary winding regulation
• Telecommunications infrastructure power modules
• Server and data center point-of-load converters

Procurement Notes

Verify the specific suffix designation to ensure compatibility with required thermal and electrical specifications. Confirm that the 38-pin TSSOP-EP package aligns with the target PCB footprint and soldering profile. Cross-reference the manufacturer's latest datasheet to validate the active status and any recent product change notifications affecting pinout or performance characteristics before finalizing the design.

Selection Notes

Select this component when designing active clamp forward converters requiring an internal housekeeping supply to eliminate external bias windings. Ensure the application demands synchronous rectification and operates within the specified 100 kHz to 500 kHz frequency range. Verify that the extended temperature rating meets environmental requirements and that the input voltage constraints align with the system architecture.

Part Context

This part belongs to the LT3752 series of switching controllers designed for high-performance power management applications. It represents a specialized solution for forward converter topologies where integration of the housekeeping regulator reduces component count and board space. The series is characterized by robust current-mode control and high-frequency operation capabilities suitable for dense power designs.

Replacement Considerations

LT3752EFE-1#TRPBF

FAQ

Does the LT3752MPFE-1 include an internal housekeeping controller?

Yes, the device features an integrated DC/DC housekeeping controller to simplify the design of auxiliary power supplies.

What is the maximum operating temperature for this controller?

The maximum operating temperature is specified as +150°C.