LTC3822EGN-1#TRPBF

DC DC Switching Controllers Overview

The LTC3822EGN-1#TRPBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 2.75 V to 4.5 V and delivers up to 20 A of output current. The adjustable output voltage spans from 600 mV to 4.45 V, with a programmable switching frequency between 250 kHz and 750 kHz. The device features a quiescent supply current of 360 uA and functions within a temperature range of -40°C to +85°C. It utilizes a DFN-12 package for surface mount installation.

DC DC Switching Controllers Feature Summary

• Integrates no external sense resistor architecture to minimize component count and board space
• Supports inductor voltage sensing (LInV) for improved transient response and accuracy
• Includes comprehensive protection features such as thermal shutdown and soft-start capabilities

DC DC Switching Controllers Applications

• Point-of-load regulation for high-current digital processors
• Power distribution networks requiring compact form factors
• Industrial equipment with limited input voltage ranges

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and tape-and-reel packaging designation against official manufacturer documentation before ordering. Confirm that the DFN-12 footprint matches your PCB layout requirements. Ensure compatibility with the required operating temperature range and input voltage specifications for your application environment.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems requiring high current density without external current sense resistors. The LInV feature makes it suitable for applications where minimizing parasitic inductance effects is critical. Consider the 2.75 V minimum input voltage constraint when choosing power sources. Evaluate the 250 kHz to 750 kHz frequency range against EMI requirements and inductor size constraints.

DC DC Switching Controllers Part Context

This component belongs to the LTC3822 series of synchronous buck controllers designed for high-efficiency power conversion. It is part of Analog Devices' portfolio focused on compact, high-performance power management solutions for digital loads. The series emphasizes simplified design through integrated sensing technologies.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for verified alternatives within the same product family or compatible pin-to-pin replacements. Verify electrical parameters and thermal characteristics match your design requirements before transitioning.