LTC3311JV-0.875#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3311JV-0.875#PBF is a monolithic step-down DC/DC converter from Analog Devices, part of the Silent Switcher 1 family. It delivers up to 12.5A output current with a fixed 0.875V output voltage. The device operates from an input voltage range of 2.25V to 5.5V and supports adjustable switching frequencies between 500kHz and 5MHz. It utilizes synchronous rectification for high efficiency and is housed in a compact 18-LQFN (3x3mm) package with an exposed pad. The component is rated for junction temperatures up to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates Silent Switcher technology to minimize radiated electromagnetic interference without external shielding
• Provides high continuous output current capability suitable for dense power delivery applications
• Features synchronous buck topology for optimized conversion efficiency across load ranges

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring low noise power rails
• Industrial systems needing compact DC-DC conversion solutions
• Embedded computing platforms utilizing low-voltage high-current processors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation to confirm the fixed output voltage configuration, as variations exist within the series. Ensure compatibility with the required switching frequency settings and thermal management requirements for the 18-LQFN package. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed low-voltage output is required alongside high current capacity in a minimal footprint. Consider the trade-off between switching frequency and external component size. Evaluate thermal performance constraints given the small package dimensions and high current density capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3311 series of Silent Switcher regulators designed for space-constrained applications. It shares architectural similarities with other members like the LTC3310 but offers higher current ratings. The series focuses on reducing EMI through integrated shielded inductor designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the LTC3311JV#PBF for adjustable output variants or the LTC3311JV-0.85#PBF for different fixed voltage options. Verify pinout compatibility and thermal characteristics before swapping.