LTC3814IFE-5#TRPBF

DC DC Switching Controllers Overview

The LTC3814IFE-5#TRPBF is a synchronous step-up switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 55 V and delivers up to 4 A output current. The device supports output voltages from 4.5 V to 60 V. Key electrical parameters include a fixed 1 MHz switching frequency, 224 uA quiescent current, and operation across a temperature range of -40°C to +125°C. It utilizes a TSSOP-16 package for surface mount installation.

DC DC Switching Controllers Feature Summary

• Synchronous boost topology with integrated control logic
• Fixed 1 MHz switching frequency for compact passive design
• Low quiescent current for efficient power management
• Wide input and output voltage capability

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Battery-powered equipment power supplies
• General-purpose DC-DC conversion systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the -5 variant corresponds to the correct internal reference voltage configuration required by the design. Ensure compatibility with the intended thermal environment and PCB layout constraints associated with the TSSOP-16 package before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring high efficiency in a boost configuration with wide input voltage flexibility. The fixed 1 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 4 A current limit and 55 V maximum input rating to ensure adequate headroom for the target application's peak load and supply conditions.

DC DC Switching Controllers Part Context

This part belongs to the LTC3814 series of synchronous boost controllers. It is designed to drive external N-channel MOSFETs to create efficient step-up converters. The family offers various output voltage options, with the -5 suffix denoting a specific reference setting. It serves as a core power management IC for systems needing reliable voltage elevation from lower source levels.

DC DC Switching Controllers Replacement Considerations

Direct pin-compatible substitutes within the same series may exist but require verification of the internal reference voltage matching the -5 designation. Cross-referencing datasheets for equivalent boost controllers with similar 1 MHz frequencies and 4 A capabilities is recommended if availability is constrained.