MP3398EGF-P

Overview

The MP3398EGF-P is a Monolithic Power Systems switch controller designed for driving four-string white LED arrays. It utilizes a boost topology to manage up to 400mA per string with an 80V return capability. The device operates at a fixed switching frequency of 382 kHz and supports surface-mount installation in a TSSOP-EP-16 package. It functions within a temperature range of -40°C to +125°C and includes shutdown functionality for power management.

Feature Summary

• Supports four independent LED strings with individual current control
• Integrates high-voltage return handling for flexible circuit design
• Includes shutdown pin for system power efficiency management

Applications

• Backlighting for mobile devices
• Portable electronic display illumination
• Automotive interior lighting systems

Procurement Notes

Verify the specific suffix 'P' against the manufacturer's official documentation to confirm packaging and tape-and-reel specifications. Ensure the ordering quantity aligns with the factory pack size requirements. Confirm that the TSSOP-EP-16 package variant matches the intended PCB footprint and thermal dissipation needs for the final assembly.

Selection Notes

Select this component when a boost converter architecture is required for multi-string WLED applications. The fixed 382 kHz frequency offers a balance between component size and electromagnetic interference. Consider the 80V return limit when designing for series-connected LED configurations to ensure safe operating margins.

Part Context

This part belongs to the MP3398E series of LED drivers from Monolithic Power Systems. It is categorized under PMIC and Switching Controllers, specifically targeting high-efficiency lighting solutions. The EP (Exposed Pad) package variant enhances thermal performance compared to standard TSSOP packages.

Replacement Considerations

Consult MPS official cross-reference lists for verified substitutes. Generic boost controllers may lack the specific multi-string balancing features.