LTC7801HFE#TRPBF

DC DC Switching Controllers Overview

The LTC7801HFE#TRPBF is a synchronous step-down DC/DC controller from Analog Devices, designed for high-voltage applications with an input voltage range of 4V to 140V. It features a low quiescent current of 40µA during operation and 10µA in shutdown mode. The device supports adjustable switching frequencies between 50kHz and 900kHz, with options for clock synchronization. It drives a single output stage capable of delivering up to 20A with external MOSFETs, regulating output voltages from 0.8V to 60V. The component operates within a temperature range of -40°C to +125°C and utilizes a TSSOP-24 package.

DC DC Switching Controllers Feature Summary

• Supports wide input voltage ranges up to 140V for high-voltage battery systems
• Features low operating quiescent current to enhance efficiency in standby modes
• Enables flexible frequency selection with synchronization capabilities for noise management
• Provides adjustable gate drive levels to optimize power stage performance

DC DC Switching Controllers Applications

• Automotive power distribution systems
• Industrial power supply modules
• Telecommunications infrastructure equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure availability matches project requirements as supply constraints may affect lead times. Cross-reference datasheet revisions to guarantee pinout and electrical parameter consistency with existing designs.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring high input voltage tolerance and precise current mode control. Evaluate thermal management needs based on the TSSOP-24 package limitations for high-current outputs. Consider external MOSFET selection to match the controller's drive capabilities and switching speed requirements. Verify that the application environment stays within the specified operating temperature range for reliable performance.

DC DC Switching Controllers Part Context

This component belongs to the LTC7801 series of synchronous buck controllers, engineered for high-voltage environments. It complements other PMIC solutions by offering robust protection features including overvoltage lockout and soft start. The series is optimized for applications demanding high efficiency and compact form factors in power conversion stages.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include LTC7801EFE#PBF and LTC7801IFE#PBF, which share identical electrical specifications but differ in packaging format. Verify package compatibility and soldering profiles when transitioning between tube and reel variants.