LTC3623EUDD#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3623EUDD#TRPBF is a high-efficiency, monolithic synchronous buck regulator from Analog Devices Inc. It operates with an input voltage range of 4.5V to 18V and provides a programmable output voltage via a single external resistor. The device delivers up to 5A of output current with a switching frequency of 1MHz. It features cable drop compensation for remote sensing applications and includes an input supply regulation loop option. The component supports shutdown functionality and operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated cable drop compensation capability for maintaining accurate load voltage over long traces
• Single external resistor programming simplifies output voltage configuration
• Supports input supply regulation loop for upstream power management
• High efficiency synchronous rectification reduces thermal requirements

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Power distribution systems requiring cable drop compensation
• Telecommunications infrastructure power supplies
• Embedded systems with strict thermal constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the EUDD package marking matches the DFN-10 footprint on your PCB layout. Ensure the input voltage does not exceed 18V during operation. Check for RoHS compliance documentation if required by your manufacturing standards. Validate that the 1MHz switching frequency aligns with your EMI filtering strategy.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-channel, high-current buck converter with remote sense compensation is needed. It is suitable for designs where board space is limited but high efficiency is critical. Consider the 1MHz frequency for smaller passive components compared to lower-frequency alternatives. Verify that the 5A current rating meets the peak load requirements of the target circuit without excessive derating.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3623 family of synchronous step-down regulators. It shares architectural similarities with other members like the LTC3622 and LTC3633 but offers distinct current and voltage specifications. The EUDD package is a compact 10-lead DFN designed for efficient heat dissipation. It complements Analog Devices' broader portfolio of PMIC solutions for industrial and telecom markets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-compatible substitutes are not explicitly confirmed in public datasheets for this exact package and specification combination. Evaluate parts from the same manufacturer with similar current ratings and input voltage ranges. Verify compatibility of control loops and compensation networks before substitution.