LTC7840IUFD#TRPBF

DC DC Switching Controllers Overview

The LTC7840IUFD#TRPBF is a dual-channel switching controller manufactured by Analog Devices Inc., designed for high-efficiency power conversion applications. It supports Boost, Flyback, and SEPIC topologies with two independent outputs. The device operates within an input voltage range of 5.5 V to 60 V and features an adjustable switching frequency from 50 kHz to 425 kHz. It accommodates a maximum duty cycle of 96% and provides a control output voltage of 10 V. The component functions reliably across an extended temperature range of -40°C to +125°C and is housed in a QFN-28 surface-mount package.

DC DC Switching Controllers Feature Summary

• Supports multiple non-isolated topologies including Boost, Flyback, and SEPIC configurations
• Provides dual independent output channels for flexible power distribution
• Features adjustable switching frequency for optimized efficiency and component size
• Includes shutdown capability for system power management

DC DC Switching Controllers Applications

• Industrial power supply systems requiring isolated or non-isolated regulation
• Automotive electronics utilizing Boost or SEPIC architectures
• Telecommunications infrastructure power modules
• Battery-powered equipment needing efficient voltage step-up or inversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm packaging format. The #TRPBF designation indicates tape-and-reel packaging, which differs from the tube-packaged #PBF variant. Ensure compatibility with automated assembly processes when selecting this configuration. Cross-reference the exact part number with manufacturer datasheets to validate electrical specifications and thermal characteristics before integration.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring dual-output flexibility in Boost, Flyback, or SEPIC topologies. Consider the 5.5 V to 60 V input range and 50 kHz to 425 kHz frequency adjustability for component optimization. Evaluate the QFN-28 package for thermal performance and board space constraints. Confirm that the 96% maximum duty cycle meets the required voltage conversion ratios for the specific application scenario.

DC DC Switching Controllers Part Context

This component belongs to the LTC7840 series of dual-channel switching controllers from Analog Devices. It is categorized under PMIC - Power Management ICs and specifically Switching Controllers. The series is designed for versatile power conversion needs, supporting various non-isolated topologies. The IUFD suffix denotes the industrial temperature grade and QFN-28 package type, distinguishing it from other variants in the family.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.