LTC3311JV-0.875#TRMPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3311JV-0.875#TRMPBF is a synchronous step-down DC/DC converter from Analog Devices, part of the Silent Switcher family. It operates with an input voltage range of 2.25V to 5.5V and delivers a fixed output of 0.875V at up to 12.5A. The device integrates power switches in a compact 18-lead LQFN (3mm x 3mm) package. It features a 2MHz switching frequency and supports junction temperatures up to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power switches within a single monolithic package
• Utilizes patented layout architecture to minimize radiated electromagnetic interference emissions
• Provides adjustable or fixed output voltage options via external resistor network
• Includes comprehensive protection mechanisms against over-current and thermal overload

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for field-programmable gate arrays
• Power supply stages for central processing units
• Voltage conversion for memory modules and data converters
• Battery-powered portable electronic devices requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix 'JV-0.875' corresponds to the fixed 0.875V output variant rather than the adjustable version. Confirm the package marking matches the 18-LQFN specification. Ensure the order includes the '#TRMPBF' designation for tape and reel packaging compliance. Cross-reference the manufacturer's latest datasheet revision to confirm pinout compatibility before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a high-current, low-voltage rail is required within a strict spatial constraint. The 12.5A capability suits applications demanding significant current density from a 5V source. The Silent Switcher technology is appropriate for noise-sensitive environments where standard regulators might cause interference. Evaluate thermal performance based on the PCB copper area available for heat dissipation from the exposed pad.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3311 series of Silent Switcher regulators. It shares architectural similarities with the LTC3310 and LTC3311S models but offers distinct current ratings and package configurations. The series is designed to replace traditional discrete solutions by integrating control logic and power stages into a small footprint, simplifying board design and reducing component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LTC3311JV-0.875#PBF

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum operating junction temperature for the LTC3311?

The device is rated for a maximum junction temperature of 150°C.

Does the LTC3311 require external compensation components?

No, the internal control loop is compensated, requiring only external input and output capacitors along with the feedback resistors.