LTC7840HFE#TRPBF

DC DC Switching Controllers Overview

The LTC7840HFE#TRPBF is a dual-phase, non-synchronous boost controller manufactured by Analog Devices Inc. It operates within an input voltage range of 5.5 V to 60 V and supports switching frequencies between 50 kHz and 425 kHz. The device features a maximum duty cycle of 96% and provides two independent outputs. Designed for surface-mount installation in a TSSOP-28 package, it functions reliably across an extended temperature range from -40°C to +150°C.

DC DC Switching Controllers Feature Summary

• Dual-phase control architecture for high-power boost applications
• Wide operating input voltage range supporting 5.5 V to 60 V sources
• Integrated shutdown capability for power management efficiency

DC DC Switching Controllers Applications

• Industrial power supply systems requiring isolated or non-isolated boost conversion
• Battery-powered equipment utilizing boost topologies
• General-purpose DC/DC conversion modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm that the HFE grade meets the required industrial temperature specifications for your application environment. Ensure compatibility with the TSSOP-28 footprint during PCB layout. Cross-reference the manufacturer's latest datasheet for any product change notifications affecting pinout or electrical characteristics before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring dual-output boost regulation without synchronous rectification. The wide input voltage range accommodates various battery chemistries and bus voltages. Consider the thermal performance of the TSSOP-28 package relative to the expected load current. Evaluate the fixed frequency operation against noise sensitivity requirements in the target system.

DC DC Switching Controllers Part Context

This part belongs to the LTC7840 series of switching controllers designed for high-efficiency power conversion. It serves as a core control element in non-isolated boost converter circuits. The device integrates essential control logic to manage external MOSFETs, distinguishing it from integrated power stages by requiring external power switches.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other dual-phase boost controllers from Analog Devices such as the LTC7840 variants with different packaging options. Verify pin compatibility and electrical parameters before substituting.