LTC4261CUFD#TRPBF

Hot Swap Controllers Overview

The LTC4261CUFD#TRPBF is a hot swap voltage controller manufactured by Analog Devices Inc., designed for -48V applications. It features an integrated ADC and I2C monitoring interface within a QFN-24 package. The device supports surface mount installation with a supply current of 2 mA. It operates within a temperature range of -40°C to +85°C and includes programmable protection features such as auto-retry, limit current, fault timeout, latch-off fault, overvoltage protection (OVP), and under-voltage lockout (UVLO).

Hot Swap Controllers Feature Summary

• Integrates an analog-to-digital converter (ADC) for precise power monitoring.
• Provides comprehensive protection including overvoltage and under-voltage lockout.
• Supports I2C communication for system management and status reporting.

Hot Swap Controllers Applications

• -48V telecommunications infrastructure
• Advanced mezzanine card (AMC) systems
• High-density server backplanes

Hot Swap Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the CUFD designation corresponds to the commercial temperature grade and QFN-24 package type required for your design. Ensure compatibility with existing I2C bus architectures and check for any regional distribution restrictions or limited availability statuses before finalizing procurement plans.

Hot Swap Controllers Selection Notes

Select this component for designs requiring precise power monitoring via an internal ADC without external sensing resistors. It is suitable for -48V systems needing robust protection against transient faults. Consider the QFN-24 footprint for space-constrained layouts. Evaluate the need for I2C integration versus simpler controllers based on system complexity requirements.

Hot Swap Controllers Part Context

This part belongs to the LTC4261 series of hot swap controllers from Analog Devices. It complements other PMIC solutions like the LTC4263 and LTC4223 by offering advanced monitoring capabilities. The series targets high-reliability applications where precise power management and system health monitoring are critical for operational stability.

Hot Swap Controllers FAQ

Does the LTC4261CUFD#TRPBF include an internal power switch?

No, the LTC4261 is a controller that requires an external N-channel MOSFET for power switching.

What is the maximum operating voltage for this controller?

The device is designed for -48V applications, consistent with standard telecommunications power rails.