LTC3769MPUF#TRPBF

DC DC Switching Controllers Overview

The LTC3769MPUF#TRPBF is a synchronous boost controller from Analog Devices, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5V to 60V and supports output voltages from 2.3V to 60V. The device delivers up to 5A output current and features a programmable switching frequency between 50kHz and 900kHz. It maintains a low quiescent current of 28µA and functions reliably within a temperature range of -55°C to +150°C. Packaged in a 24-lead QFN, it integrates synchronous rectification for optimized performance.

DC DC Switching Controllers Feature Summary

• Synchronous boost topology with integrated gate drivers for external N-channel MOSFETs
• Programmable switching frequency allows optimization for efficiency or size
• Low quiescent current operation enhances battery life in standby modes
• Integrated current mode control ensures stable loop response

DC DC Switching Controllers Applications

• Industrial systems requiring wide input voltage ranges
• Battery-powered equipment needing extended runtime
• Telecommunications infrastructure power supplies
• Automotive electronics operating under harsh thermal conditions

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the M-grade temperature rating (-55°C to +150°C) matches your environmental requirements. Check current availability status as supply may be limited. Ensure compatibility with your chosen MOSFETs for the synchronous rectifier configuration.

DC DC Switching Controllers Selection Notes

Select this component for applications demanding high input voltages up to 60V. The M-grade variant is suitable for extreme industrial environments. Consider the 24-QFN package for space-constrained designs. Evaluate the 5A current capability against your peak load requirements. Verify that the external component selection supports the desired switching frequency range.

DC DC Switching Controllers Part Context

This part belongs to the LTC3769 family of synchronous boost controllers. It shares core architecture with other variants but differs in temperature grade and packaging. The M-grade designation specifies military-grade temperature coverage compared to standard industrial grades. It complements Analog Devices' portfolio of high-voltage power management solutions.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3769IUF#TRPBF for industrial temperature ranges. The LTC3769EUH#TRPBF offers alternative packaging options. Verify pinout compatibility before substitution. Ensure thermal performance meets system requirements when changing packages.