FAN5354MPX

Voltage Regulators - DC DC Switching Regulators Overview

The FAN5354MPX is a synchronous step-down switching voltage regulator manufactured by onsemi. It operates with an input voltage range of 2.7 V to 5.5 V and provides an adjustable output voltage from 0.8 V to 2.7 V. The device delivers a continuous output current of 3 A with a fixed switching frequency of 3 MHz. It utilizes a proprietary control architecture for high efficiency across load conditions. The component is housed in a 12-lead MLP (Micro Lead Frame) package with an exposed pad, designed for surface-mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high power conversion efficiency
• Adjustable output voltage capability within specified limits
• Compact surface-mount packaging optimized for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing stable regulated voltage rails
• Embedded systems utilizing low-voltage digital logic

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the obsolete status of this part number before initiating any procurement activities. Confirm that the manufacturer has ceased production and that no active inventory exists through authorized channels. Evaluate alternative components from the same product family or newer generations to ensure long-term supply chain stability and project viability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component only if the design requirements align with its specific electrical characteristics, including the 3 A current capacity and 3 MHz switching frequency. Ensure the input voltage source remains within the 2.7 V to 5.5 V operational window. Consider the thermal performance of the MLP package and verify that the PCB layout supports the required heat dissipation for the exposed pad configuration.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to onsemi's portfolio of DC-DC switching regulators, specifically designed for applications demanding high efficiency and compact form factors. It represents a solution for managing power in mobile and portable environments where battery life and physical size are critical constraints. The technology focuses on minimizing energy loss during voltage conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The FAN5354MPX is listed as obsolete. Potential substitutes include other models from the FAN535x series or updated revisions from onsemi that maintain similar electrical specifications and pin compatibility. Verify functional equivalence regarding current rating, input/output voltage ranges, and package dimensions before substitution.