FAN5307MPX

Voltage Regulators - DC DC Switching Regulators Overview

The FAN5307MPX is a synchronous step-down DC-DC converter manufactured by onsemi, designed for efficient voltage regulation in portable and battery-powered applications. Operating within an input voltage range of 2.5 V to 5.5 V, this device delivers a maximum output current of 300 mA. It features an adjustable output voltage capability, allowing flexibility in system design. The component integrates internal power switches and operates at a fixed switching frequency of 1 MHz, which facilitates the use of small external inductors and capacitors. Packaged in a compact 6-MLP (3x3 mm) surface-mount format, it supports operation across an extended temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology with integrated high-side and low-side power switches for improved efficiency
• Adjustable output voltage configuration enabling versatile system power rail generation
• Fixed 1 MHz switching frequency allows for minimal external passive component requirements
• Compact 6-MLP package design optimized for space-constrained mobile and handheld devices

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics such as smartphones and tablets requiring efficient core voltage regulation
• Battery-operated consumer devices needing stable power supply from single-cell lithium sources
• Embedded systems utilizing microprocessors or memory components with specific voltage requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to obsolete status. Confirm RoHS compliance documentation matches specific manufacturing lot codes. Check for potential counterfeits given end-of-life classification. Ensure packaging integrity remains intact during storage. Validate datasheet revisions against procurement specifications to avoid functional mismatches in legacy designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Consider the FAN5307MPX for designs requiring adjustable output voltages within the specified input range. Evaluate thermal performance constraints given the small MLP package footprint. Compare efficiency curves against load requirements to ensure optimal battery life extension. Verify compatibility with available inductor values at the 1 MHz switching frequency. Assess PCB layout guidelines provided in the datasheet to minimize electromagnetic interference.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the FAN5307 series of synchronous buck regulators from onsemi. It shares architectural similarities with other members like the FAN5308 but differs in output current capabilities and specific feature sets. The series targets low-power applications where size and efficiency are critical. Understanding the broader family helps in selecting alternative parts if pin-compatible upgrades are needed for future iterations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers: None identified.