LTC3838EUHF-1#PBF

DC DC Switching Controllers Overview

The LTC3838EUHF-1#PBF is a dual-channel, PolyPhase synchronous step-down DC/DC switching regulator 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 5.5 V. The device features a 2 MHz switching frequency and delivers up to 30 A output current across two independent channels. It utilizes controlled on-time valley current mode control for fast transient response without clock delay. The component is housed in a 38-pin QFN package and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture driving all N-channel power MOSFETs independently
• Controlled on-time valley current mode control for rapid transient response
• Constant frequency switching capability under steady load conditions
• PolyPhase synchronous step-down topology integration

DC DC Switching Controllers Applications

• High-density point-of-load (POL) conversion systems
• Multi-phase power distribution networks requiring fast transient response
• Industrial equipment power management modules
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates tube packaging when sourcing components. Confirm that the EUHF variant matches the required thermal and electrical specifications for your design. Cross-reference the manufacturer datasheet for the latest RoHS compliance status and lead time information directly from Analog Devices official channels before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this controller when designing high-current dual-output buck converters requiring precise phase alignment. Ensure external MOSFET selection supports the 2 MHz switching frequency and 30 A current handling capabilities. Verify that the application circuit accommodates the 4.5 V to 38 V input range and provides adequate thermal dissipation for the QFN-38 package within the specified operating temperature limits.

DC DC Switching Controllers Part Context

This component belongs to the LTC3838-1 series of PolyPhase controllers designed for high-performance power management. It complements other Analog Devices PMIC solutions by offering multi-phase synchronization and advanced current mode control. The part serves as a core element in complex power architectures where efficiency and dynamic response are critical requirements for system stability.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers: LTC3838IUHF-1#PBF.