LTC3311SEV#TRMPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3311SEV#TRMPBF is a Silent Switcher 2 synchronous step-down DC/DC converter from Analog Devices Inc. It delivers an adjustable output voltage ranging from 0.5 V to 5.5 V with a maximum continuous output current of 12.5 A. The device operates within an input voltage range of 2.25 V to 5.5 V and utilizes a fixed switching frequency of 2 MHz. Packaged in an 18-TFQFN (3x3 mm) surface-mount case with an exposed pad, it supports positive output configuration. The component is rated for junction temperatures between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates Silent Switcher 2 technology to minimize radiated electromagnetic interference without requiring external shielding or ferrite beads.
• Features integrated high-side and low-side power switches for efficient synchronous rectification.
• Supports adjustable output voltage setting via external resistor divider network.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital signal processors and field-programmable gate arrays
• Power supply stages for industrial control systems and instrumentation
• Voltage conversion for embedded computing modules and communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SEV' against official Analog Devices documentation to confirm package dimensions and marking details. Confirm that the '#TRMPBF' designation aligns with the required tape and reel packaging format. Ensure compatibility with RoHS3 standards if applicable to your manufacturing process. Cross-reference the datasheet revision date to validate thermal performance data.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high current density is required in a minimal footprint. The 2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the input voltage source remains stable within the 2.25 V to 5.5 V range. Consider thermal management requirements due to the 12.5 A capability in a small LQFN package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3311 family of Silent Switcher 2 regulators. It shares architectural similarities with the LTC3310 but offers higher current capacity. The series is designed for applications demanding low noise and compact size. It complements other PMIC solutions by providing a standalone buck regulator option with integrated EMI suppression capabilities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LTC3310SIV-1#WTRMPBF provides similar functionality with a fixed 1 V output and 10 A rating. LTC3310SEV-1#WTRMPBF offers comparable specifications with automotive qualification. Verify pinout compatibility and thermal characteristics before substitution.