LTC3899MPFE#TRPBF

DC DC Switching Controllers Overview

The LTC3899MPFE#TRPBF is a low quiescent current synchronous step-down and boost DC/DC controller manufactured by Analog Devices Inc. It features three independent outputs, supporting Buck, Buck-Boost, and Boost topologies within a single package. The device operates with an input voltage range of 4.5V to 60V and supports output voltages from 800mV to 60V. It delivers up to 15A output current with a typical supply current of 39µA. The switching frequency is adjustable between 105kHz and 835kHz. It is housed in a 38-TSSOP-EP package and rated for operation from -55°C to +150°C junction temperature.

DC DC Switching Controllers Feature Summary

• Integrates three independent channels capable of Buck, Buck-Boost, or Boost configurations
• Features ultra-low quiescent current consumption for high efficiency at light loads
• Supports wide input voltage ranges up to 60V for versatile power system designs
• Includes comprehensive protection and control features such as soft-start and tracking

DC DC Switching Controllers Applications

• Industrial automation power distribution systems
• Telecommunications infrastructure equipment
• Automotive electronics and infotainment systems
• Data center server power management modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing components. Confirm that the MP prefix denotes military-grade temperature ratings and extended reliability specifications compared to standard commercial variants. Ensure compatibility with the required 38-TSSOP-EP footprint during PCB layout planning.

DC DC Switching Controllers Selection Notes

Select this component when designing multi-rail power architectures requiring mixed buck and boost capabilities from a single controller. Consider its low IQ specification for applications demanding minimal standby power consumption. Evaluate the thermal performance requirements associated with the TSSOP-EP package for high-current implementations.

DC DC Switching Controllers Part Context

This part belongs to the LTC3899 family of triple-output controllers designed for complex power management needs. It complements other Analog Devices PMIC solutions by offering integrated flexibility for generating multiple voltage rails efficiently. The device simplifies board space constraints by consolidating three distinct converter functions into one compact integrated circuit.

DC DC Switching Controllers Replacement Considerations

LTC3899IFE#PBF serves as a tube-packaged alternative within the same functional family.