LTC3854EDDB#TRMPBF

DC DC Switching Controllers Overview

The LTC3854EDDB#TRMPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 38 V and provides an adjustable output voltage from 800 mV to 5.5 V. The device supports up to 25 A of output current through a single output channel. Key electrical parameters include a quiescent current of 15 uA, a typical operating supply current of 2 mA, and a switch frequency of 400 kHz. It features a load regulation of 0.1% and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification
• Supports external synchronization to an external clock signal
• Includes programmable soft-start and tracking capabilities
• Features cycle-by-cycle current limiting and thermal shutdown protection

DC DC Switching Controllers Applications

• Point-of-load (POL) voltage regulation in telecommunications infrastructure
• Power distribution systems for industrial equipment
• Voltage regulation for embedded computing platforms
• High-current power supplies for networking hardware

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape and reel packaging and lead-free status. Confirm that the EDDB package variant matches the required footprint for the design. Check current availability status as distribution may be limited or subject to factory special orders. Ensure compatibility with the intended switching frequency and control interface requirements.

DC DC Switching Controllers Selection Notes

Select this component when a wide input voltage range up to 38 V is required alongside high output current capability. The integrated MOSFETs simplify design compared to discrete controller solutions. Consider the 400 kHz switching frequency for balancing efficiency and passive component size. Verify that the 800 mV minimum output voltage aligns with the target load requirements.

DC DC Switching Controllers Part Context

This part belongs to the LTC3854 series of small footprint, wide VIN range synchronous buck regulators. It is designed for applications requiring high efficiency and compact solution size. The EDDB package offers a thermally enhanced DFN form factor suitable for surface mount assembly. It serves as a complete power solution integrating control logic and power stages.

DC DC Switching Controllers FAQ

What is the minimum output voltage supported by the LTC3854EDDB#TRMPBF?

The device supports an adjustable output voltage range starting from 800 mV.

Does the LTC3854EDDB#TRMPBF support external clock synchronization?

Yes, the device includes a SYNC pin that allows synchronization to an external clock signal.