LTC3623EUDD#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3623EUDD#PBF is a high-efficiency, monolithic synchronous buck regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 2.7V to 17V and provides a programmable output voltage via a single external resistor. The device supports up to 5A output current with a fixed switching frequency of 1MHz. Key features include cable drop compensation and differential remote sense capabilities for improved load regulation. It functions within a temperature range of -40°C to +125°C and utilizes a DFN-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates cable drop compensation to maintain accurate output voltage despite trace resistance.
• Supports differential remote sensing for precise load-point regulation.
• Features a single external resistor for simple output voltage programming.
• Includes internal synchronization capability for noise reduction in multi-module systems.

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm the DFN-8 package variant matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or pin configurations before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high efficiency and compact size are critical for 12V to low-voltage conversions. The integrated cable drop compensation makes it suitable for applications where the regulator is physically distant from the load. Consider the 1MHz switching frequency for balancing component size and EMI performance. Verify that the 5A current rating aligns with peak load demands including transient spikes.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3623 family of synchronous step-down regulators designed for high-density power applications. It shares architectural similarities with other members but offers specific enhancements like cable drop compensation. The EUDD suffix denotes the DFN-8 package type, distinguishing it from larger footprint variants. It serves as a core PMIC solution for converting intermediate bus voltages to lower logic levels.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include other Analog Devices synchronous buck regulators with similar input/output ranges. Check for compatible pinouts if replacing in existing designs. Verify that alternative parts support the required 5A current and 1MHz frequency. Ensure thermal performance metrics match the original design constraints.