MP2365DN-LF

Voltage Regulators - DC DC Switching Regulators Overview

The MP2365DN-LF-P is a monolithic synchronous buck switching regulator from Monolithic Power Systems, housed in an SOIC-Narrow-8 package. It delivers a continuous output current of 3 A with a peak capability of 4 A. The device operates within an input voltage range of 4.75 V to 28 V and provides an adjustable output voltage from 920 mV to 21 V. It features a fixed switching frequency of 1.4 MHz and includes integrated power MOSFETs with low on-resistance. The component supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for efficient step-down conversion
• Employs current-mode control architecture for rapid transient response and loop stability
• Includes programmable soft-start functionality to minimize inrush current during startup
• Provides comprehensive protection against overcurrent, overtemperature, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) regulation for embedded systems
• Power distribution networks in industrial equipment
• Input stage conditioning for battery-powered portable devices
• General-purpose DC/DC conversion in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., LF-P or LF-Z) to confirm packaging type and RoHS compliance status. Confirm availability as the part may be subject to lifecycle restrictions. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3 A synchronous buck solution is required within a narrow SOIC-8 footprint. Consider the 1.4 MHz frequency for balancing efficiency and passive component size. Evaluate the need for external compensation versus internal stability requirements based on the output capacitor ESR characteristics.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPS MP2365 series of non-synchronous and synchronous buck converters designed for high-efficiency power management. It serves as a compact alternative to discrete solutions, integrating control logic and power switches into a single chip to reduce board space and simplify design implementation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MPS recommends using MP2338GTL as a direct replacement for new designs. This alternative offers similar performance metrics but utilizes a SOT583 package and operates at a different switching frequency.