LTC3829IFE#WPBF

DC DC Switching Controllers Overview

The LTC3829IFE#WPBF is a synchronous step-down switching regulator controller from Analog Devices Inc., designed for high-performance multi-phase applications. It operates with an input voltage range of 4.5V to 38V and supports adjustable switching frequencies between 250kHz and 770kHz. The device features integrated current mode control, enabling precise regulation without external compensation components in many configurations. It includes built-in soft-start, tracking capabilities, and power-good indicators. Packaged in a 38-WFQFN exposed pad housing, it is rated for junction temperatures from -40°C to 125°C, ensuring reliability in demanding industrial environments.

DC DC Switching Controllers Feature Summary

• Supports flexible multi-phase operation for high-current distribution
• Integrated current-mode control architecture simplifies design
• Features programmable frequency synchronization and tracking inputs
• Includes comprehensive protection and monitoring functions

DC DC Switching Controllers Applications

• Industrial equipment power distribution
• Telecommunications infrastructure systems
• Point-of-load regulation modules
• Automotive electronics subsystems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix WPBF confirms the tube packaging format upon ordering. Confirm that the AEC-Q100 qualification status applies if automotive grade requirements are mandatory for the target application. Ensure the EDA models match the exact package dimensions for PCB layout accuracy.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring synchronized multi-phase buck conversion with wide input voltage flexibility. Consider the 38-pin QFN footprint for thermal management and board space constraints. Evaluate the need for external compensation versus internal stability based on output capacitance requirements.

DC DC Switching Controllers Part Context

This part belongs to the PolyPhase series of DC/DC controllers, optimized for distributing load currents across multiple phases to reduce input ripple and improve transient response. It complements other single-phase or dual-phase controllers by offering scalable power solutions for higher wattage demands within the same product family ecosystem.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3829EUHF#PBF for equivalent performance in a different package variant. Cross-reference with the LTC3829EFE#PBF for alternative pinout or thermal characteristics while maintaining identical electrical specifications.