LTC3855EFE#TRPBF

DC DC Switching Controllers Overview

The LTC3855EFE#TRPBF is a dual-phase synchronous buck switching controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 38 V and supports output voltages from 600 mV to 12.5 V. The device features a fixed switching frequency of 770 kHz and delivers up to 30 A of output current across two channels. Packaged in a TSSOP-EP-38 format, it functions within a temperature range of -40°C to +85°C. Key electrical specifications include a quiescent current of 30 µA and a load regulation of 0.01%.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture enabling multiphase operation for high-current applications
• Integrated differential remote sensing for precise output voltage regulation
• Supports phase-shift control and synchronized clocking capabilities

DC DC Switching Controllers Applications

• High-density point-of-load power supplies
• Industrial equipment power distribution
• Telecommunications infrastructure systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the EFE variant corresponds to the specified TSSOP-EP-38 package and operating temperature range. Ensure compatibility with required thermal management solutions given the surface-mount installation style. Cross-reference manufacturer documentation for any recent pinning or specification updates.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring efficient dual-phase power conversion within a 38 V input limit. The integrated remote sense feature minimizes voltage drop errors across PCB traces. Consider the 770 kHz frequency for balancing component size against transient response requirements. Evaluate thermal performance constraints associated with the TSSOP-EP-38 package for high-current loads.

DC DC Switching Controllers Part Context

This controller belongs to the PolyPhase series from Analog Devices, designed for advanced power management needs. It complements other synchronous buck controllers by offering multi-phase synchronization. The device integrates essential protection features and drive circuits for external MOSFETs, streamlining the design of complex DC/DC converter stages.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for equivalent dual-phase buck controllers. Verify pinout compatibility and electrical parameter alignment before replacing existing designs.