LTC7801HUFD#TRPBF

DC DC Switching Controllers Overview

The LTC7801HUFD#TRPBF is a synchronous step-down DC/DC controller from Analog Devices, designed for high-voltage input applications. It operates with an input voltage range of 4V to 140V and supports output voltages from 800mV to 60V. The device features a programmable switching frequency between 50kHz and 900kHz and utilizes a TSSOP-24 package. It includes integrated low-side gate drivers capable of sourcing or sinking up to 1A of peak current. Key electrical parameters include a quiescent current of 150µA and operation across a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports high input voltages up to 140V for flexible power distribution architectures
• Integrates dual N-channel gate drivers for simplified synchronous buck designs
• Features adjustable switching frequency to optimize efficiency and component size
• Includes comprehensive protection mechanisms such as overvoltage and thermal shutdown

DC DC Switching Controllers Applications

• Industrial power supplies requiring wide input voltage ranges
• Telecommunications equipment power management systems
• Automotive electronics operating in harsh electrical environments
• Point-of-load regulation modules for high-voltage buses

DC DC Switching Controllers Procurement Notes

Verify the specific suffix HUFD against official Analog Devices documentation to confirm package type and temperature rating. Ensure compatibility with your PCB footprint for the TSSOP-24 configuration. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this component when designing synchronous buck converters requiring inputs exceeding standard 36V or 48V limits. Evaluate the trade-off between switching frequency and external component size based on the 50kHz to 900kHz range. Confirm that the 1A driver capability meets the gate charge requirements of your selected external MOSFETs for optimal performance.

DC DC Switching Controllers Part Context

This part belongs to the LTC7801 family of high-voltage synchronous step-down controllers. It shares functional similarities with other members like the LTC7801EFE but differs in packaging and temperature specifications. The series is characterized by its ability to handle high input voltages while maintaining low quiescent current consumption.

DC DC Switching Controllers FAQ

What is the maximum input voltage supported by the LTC7801HUFD#TRPBF?

The device supports a maximum input voltage of 140V.

Does the LTC7801HUFD#TRPBF include internal gate drivers?

Yes, it integrates dual N-channel gate drivers capable of driving external MOSFETs directly.