LTC3862EUH

DC DC Switching Controllers Overview

The LTC3862EUH-2#PBF is a multi-phase current mode step-up DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 5.5 V to 36 V and supports Boost and SEPIC topologies. The device features a fixed switching frequency of 300 kHz, with a maximum duty cycle of 96%. It includes clock synchronization, phase control, soft start, and shutdown capabilities. The component is housed in a 24-QFN (5x5 mm) package and functions as a transistor driver for external power stages.

DC DC Switching Controllers Feature Summary

• Supports multiphase current mode control for high-power boost applications
• Enables clock synchronization and precise phase shifting
• Integrates programmable soft start and shutdown functionality

DC DC Switching Controllers Applications

• High voltage step-up converters
• Diesel fuel injector actuator supplies
• Industrial power management systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation, as variants such as -1 and -2 differ in minimum input voltage requirements. Confirm that the QFN-24 package matches the target PCB footprint. Ensure the selected temperature grade aligns with the operational environment specifications provided in the manufacturer datasheet.

DC DC Switching Controllers Selection Notes

Select this controller when designing multiphase boost converters requiring high efficiency and wide input voltage ranges. Consider the -2 variant for lower input voltages starting at 5.5 V, while the -1 variant requires a minimum of 8.5 V. Evaluate thermal performance due to the surface mount package and ensure adequate layout for high-frequency switching nodes.

DC DC Switching Controllers Part Context

This component belongs to the LTC3862 series of PMICs designed for demanding power conversion tasks. It serves as a core controller for generating higher output voltages from standard battery or rail sources. The series is utilized in automotive and industrial sectors where reliable high-voltage generation is critical.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.