LTC3822EDD-1#TRPBF

DC DC Switching Controllers Overview

The LTC3822EDD-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 device supports adjustable switching frequencies between 250 kHz and 750 kHz, with an output voltage range from 600 mV to 4.45 V. Packaged in a DFN-12 format, it functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Eliminates the need for external sense resistors through integrated current sensing technology
• Features low input voltage operation suitable for single-cell lithium-ion battery applications
• Includes programmable soft-start functionality to limit inrush current during startup

DC DC Switching Controllers Applications

• Portable electronics requiring high efficiency from single-cell power sources
• Industrial control systems utilizing low-voltage bus architectures
• Telecommunications equipment needing compact synchronous buck regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing thermal management designs due to the DFN-12 footprint. Confirm that the selected switching frequency aligns with required inductor values and electromagnetic interference constraints for the target application environment.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits powered by single-cell lithium-ion batteries or similar low-voltage sources. It is appropriate for applications demanding high output currents without the power loss associated with discrete sense resistors. Consider the thermal performance of the DFN-12 package relative to the expected load conditions and ambient operating temperatures.

DC DC Switching Controllers Part Context

This part belongs to the LTC3822 series of non-sense resistor synchronous step-down controllers. It is designed to simplify power supply design by integrating current mode control and gate drivers. The device targets applications where board space is limited and high efficiency at light loads is critical for battery-powered systems.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family. Verify pinout compatibility and electrical parameter overlaps before implementing any cross-reference components in existing designs.