MP28252EL-LF-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MP28252EL-LF-Z is a synchronous step-down converter from Monolithic Power Systems. It operates with an input voltage range of 4.5V to 21V and delivers up to 2A output current. The device features a fixed switching frequency of 500kHz, with external synchronization capability from 300kHz to 2MHz. It utilizes a QFN-14 (3mm x 4mm) package. Key electrical parameters include a minimum adjustable output voltage of 0.805V, shutdown functionality, and operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates low on-resistance power MOSFETs for high efficiency in synchronous rectification mode.
• Provides comprehensive protection including over-current protection (OCP), hiccup mode, and thermal shutdown (TSD).
• Supports external clock synchronization for flexible system timing integration.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Power supply stages for embedded computing systems
• Battery-powered portable devices requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the NRND status before procurement, as this component is not recommended for new designs. Confirm availability through authorized distributors, noting that production may be limited or discontinued. Ensure the specific suffix matches the required packaging and RoHS compliance specifications. Cross-reference the manufacturer datasheet for any final purchase restrictions or alternative part recommendations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for 2A loads with wide input voltage requirements. The fixed 500kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the QFN-14 package size constraints and thermal performance needs. Evaluate if the NRND status aligns with long-term product lifecycle requirements or if a newer MPS series is more suitable.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP28252 series of high-efficiency synchronous buck converters. It is designed for applications demanding space-saving footprints and robust protection features. The device integrates internal compensation and bootstrap capacitors to minimize external component count. It represents a specialized solution within MPS's portfolio for mid-range current applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP2324 is publicly confirmed as an alternative for new designs. Verify pin compatibility and electrical parameter alignment before substitution. Review updated feature sets and lifecycle status of the replacement part.