MP4460DQ-LF-P

Voltage Regulators - DC DC Switching Regulators Overview

The MP4460DQ-LF-P is a high-frequency buck switching regulator from Monolithic Power Systems featuring an integrated high-side power MOSFET. It delivers up to 2.5A output current with a wide input voltage range of 3.8V to 36V and supports adjustable output voltages from 800mV to 30V. The device operates at a switch frequency of 4MHz, drawing only 120µA of quiescent current. It utilizes a QFN-10 package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side power MOSFET for compact design
• Supports wide input voltage ranges suitable for automotive environments
• Features low quiescent current for battery-powered applications
• Includes internal soft-start and over-temperature protection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive electronics systems
• Battery-powered portable devices
• General step-down DC/DC conversion
• Applications requiring EMI avoidance in sensitive frequency bands

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix against official MPS documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the QFN-10 package. Confirm thermal requirements align with the component's operating temperature range. Cross-reference the datasheet revision date to ensure all electrical parameters match your design specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with integrated power switches is required for step-down applications. The 4MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 120µA quiescent current for efficiency optimization in standby modes. Verify that the load current does not exceed the rated output capability under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP4460 series of non-synchronous step-down converters. It is designed to provide efficient power regulation in space-constrained environments. The series is characterized by its ability to operate stably with ceramic output capacitors and its suitability for applications demanding high power density and fast transient response.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.