LTC3833EUDC#TRPBF

DC DC Switching Controllers Overview

The LTC3833EUDC#TRPBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5V to 38V and supports output voltages from 600mV to 5.5V. The device delivers up to 25A of output current with a switching frequency adjustable between 200kHz and 2MHz. Key electrical specifications include a quiescent current of 15µA, a load regulation of -1%, and a supply current of 2mA. It functions reliably across a temperature range of -40°C to +125°C TJ. The component is housed in a 20-WFQFN package with an exposed pad.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology for high-efficiency power conversion
• Integrated DCR current sensing capability for precise load management
• Programmable switching frequency allows optimization for size and efficiency
• Supports soft-start, tracking, and remote sense functionalities

DC DC Switching Controllers Applications

• Point-of-load (POL) regulation in industrial systems
• Power distribution networks for embedded computing
• High-density server and telecom infrastructure power supplies
• Battery-powered equipment requiring efficient voltage stepping

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF confirms tape-and-reel packaging when ordering. Confirm RoHS compliance status through official documentation prior to integration. Ensure the supplier provides valid traceability data. Cross-reference the manufacturer part number against the latest datasheet revision to confirm pinout and electrical characteristics match design requirements before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high current density and wide input voltage ranges. The integrated DCR sensing eliminates external shunt resistors, improving efficiency. Consider thermal performance due to the exposed pad requirement. Verify that the chosen inductor supports the required current without saturation at the selected switching frequency. Ensure layout guidelines for the QFN package are followed to maintain stability.

DC DC Switching Controllers Part Context

This component belongs to the LTC3833 series of fast, accurate buck controllers. It is designed for demanding applications where space and efficiency are critical constraints. The series offers various package options, including tube and reel configurations. It complements other PMIC solutions by providing robust control features without integrating the power switches, allowing designers to select external MOSFETs based on specific current and thermal needs.

DC DC Switching Controllers Replacement Considerations

LTC3833EFE#PBF: Same functionality but in TSSOP-EP-20 package; requires PCB redesign. LTC3833EUDC#PBF: Same functionality but in tube packaging; requires reeling or manual placement changes.