LTC3766MPGN#TRPBF

Power Supply Controllers, Monitors Overview

The LTC3766MPGN#TRPBF is a high-efficiency secondary-side synchronous forward controller from Analog Devices. It operates with an input voltage range of 5V to 32V and features Direct Flux Limit technology to guarantee no transformer saturation. The device supports a supply current of 5mA and functions within a temperature range of -40°C to +125°C. Packaged in a 28-SSOP, it integrates PolyPhase capabilities for multi-phase operation.

Power Supply Controllers, Monitors Feature Summary

• Direct Flux Limit technology ensures zero transformer saturation during operation
• Provides fast and accurate average current limiting for robust protection
• Enables clean start-up into pre-biased output conditions

Power Supply Controllers, Monitors Applications

• Secondary-side synchronous forward converter designs
• Multi-phase power distribution architectures using PolyPhase control
• Industrial power supplies requiring precise flux management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific MP suffix indicates military-grade qualification or extended temperature performance compared to standard variants. Confirm the DFN or SSOP package availability matches your PCB footprint requirements. Ensure the #TRPBF designation aligns with tape-and-reel handling processes. Cross-reference the datasheet revision date to confirm feature consistency.

Power Supply Controllers, Monitors Selection Notes

Select this component when transformer saturation prevention is critical for reliability. The Direct Flux Limit feature simplifies magnetics design by eliminating saturation risks. Consider the 28-SSOP package for board space constraints. Verify compatibility with external MOSFETs for the synchronous rectification stage. Evaluate thermal performance under maximum load conditions.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC3766 family of secondary-side synchronous forward controllers. It shares core architecture with the LTC3766EGN but differs in grade and packaging. The MP suffix typically denotes enhanced reliability specifications. It complements primary-side controllers in complete isolated power solutions.

Power Supply Controllers, Monitors FAQ

How does Direct Flux Limit prevent transformer saturation?

It monitors the volt-second product continuously to ensure the magnetic flux never exceeds safe limits, regardless of input voltage variations or duty cycle changes.

What is the purpose of PolyPhase capability?

PolyPhase allows multiple LTC3766 controllers to operate in parallel, sharing load current to reduce input ripple and increase total output current capacity.