LTC3854IDDB#TRPBF

DC DC Switching Controllers Overview

The LTC3854IDDB#TRPBF is a synchronous step-down DC/DC controller designed for high-efficiency power conversion. It operates with an input voltage range of 4.5 V to 38 V and delivers up to 25 A output current. The device supports adjustable output voltages from 800 mV to 5.5 V with a fixed switching frequency of 400 kHz. Key electrical specifications include a quiescent current of 15 uA, load regulation of 0.1%, and operation within a temperature range of -40°C to +85°C. Packaged in a DDB surface-mount format, it integrates protection features suitable for compact designs.

DC DC Switching Controllers Feature Summary

• Supports sub-milliohm DCR sensing for precise current monitoring without external sense resistors
• Enables small footprint design through integrated synchronous buck topology
• Provides wide input voltage capability for flexible system integration

DC DC Switching Controllers Applications

• Point-of-load regulation for high-density computing systems
• Industrial equipment power distribution networks
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix IDDB against official Analog Devices documentation to confirm package type and thermal characteristics. Ensure compatibility with required operating temperatures and input voltage ranges before procurement. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability status.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring wide input voltage ranges and high output currents in a compact form factor. Consider the 400 kHz switching frequency for balancing efficiency and component size. Evaluate thermal management requirements given the 25 A output capability and ensure the PCB layout supports the DDB package thermal performance.

DC DC Switching Controllers Part Context

This controller belongs to the LTC3854 series, which focuses on small footprint solutions with wide VIN ranges. It serves as a core component in modern power management architectures where space constraints and efficiency are critical. The series targets applications demanding robust synchronous buck control with advanced sensing capabilities.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. No public confirmed substitute part numbers are available in the provided data.