LTC3614MPUDD#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3614MPUDD#TRPBF is a monolithic synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 2.25 V to 5.5 V and delivers up to 4 A of output current. The device features a fixed switching frequency of 4 MHz and utilizes a QFN-24 package for surface mount installation. It supports an output voltage range from 600 mV to 5.5 V, with a maximum operating temperature of 125°C and a minimum of -55°C. The converter includes shutdown functionality and maintains low quiescent current during operation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates two synchronous buck converters in a single monolithic package
• Supports high-frequency operation at 4 MHz for compact passive component sizing
• Features adjustable output voltage with precise regulation capabilities
• Includes thermal protection and shutdown control for system management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient power management
• Industrial control systems with multiple voltage rails
• Communication equipment needing stable DC/DC conversion
• Automotive infotainment and sensor interfaces

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as #TRPBF against official Analog Devices documentation to ensure correct packaging and temperature grade. Confirm that the QFN-24 package matches your PCB footprint requirements. Check datasheet specifications for thermal performance under expected load conditions. Ensure compatibility with input voltage sources within the 2.25 V to 5.5 V range before integration into the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring dual synchronous buck channels with high efficiency and small solution size. The 4 MHz switching frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Consider the 4 A output capability and wide input voltage range for versatile power distribution applications. Evaluate thermal dissipation needs given the QFN-24 package constraints and high current density.

Voltage Regulators - DC DC Switching Regulators Part Context

The LTC3614 belongs to Analog Devices' family of high-efficiency synchronous step-down converters. It complements other models like the LTC3615 and LTC3633 by offering a single-channel variant optimized for 4 A loads. The MPUDD designation indicates a specific temperature grade and package configuration within the broader LTC3614 series, targeting industrial and automotive environments requiring robust performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LTC3614EUDD#TRPBF offers similar electrical characteristics but may differ in temperature range or package variant. LTC3615MPUF-1#TRPBF provides dual channels instead of single, suitable if additional outputs are needed. Verify pinout compatibility and thermal resistance values when substituting to ensure reliable operation without redesigning the PCB layout.