LTC3769MPFE#TRPBF

DC DC Switching Controllers Overview

The LTC3769MPFE#TRPBF is a synchronous boost and SEPIC DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5V to 60V and supports output voltages from 2.3V to 60V. The device features a programmable switching frequency between 105kHz and 760kHz, with a maximum duty cycle of 96%. It provides a single positive output capable of driving up to 5A. Key electrical specifications include a quiescent current of 28µA and operation across a temperature range of -55°C to +150°C TJ. The component is housed in a 20-TSSOP-EP package.

DC DC Switching Controllers Feature Summary

• Synchronous rectification capability for high efficiency in boost and SEPIC topologies
• Integrated control features including current limit, enable, frequency control, power good, and soft start
• Wide operating input voltage range supporting diverse power source requirements

DC DC Switching Controllers Applications

• Industrial power supply systems requiring isolated or non-isolated regulation
• Battery-powered equipment utilizing boost conversion architectures
• SEPIC applications for input voltage ranges exceeding output capabilities

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the MP grade denotes military-grade qualification if required for the application environment. Ensure compatibility with the 20-TSSOP-EP footprint during PCB layout. Cross-reference the latest datasheet revision for any updates to thermal characteristics or pin assignments prior to final design approval.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring wide input voltage flexibility with low standby consumption. The synchronous architecture minimizes external component count compared to diode-based solutions. Consider the thermal performance of the exposed pad package for high-current applications. Evaluate the switching frequency range against electromagnetic interference constraints and inductor size requirements.

DC DC Switching Controllers Part Context

This component belongs to the LTC3769 family of high voltage synchronous boost controllers. It shares functional similarities with other Analog Devices PMICs but is distinct in its specific voltage ratings and topology support. The part is designed for robust performance in demanding industrial environments where reliability and efficiency are critical parameters.

DC DC Switching Controllers Replacement Considerations

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