APR348W6-7

Overview

The APR348W6-7 is a secondary-side synchronous rectifier controller manufactured by Diodes Incorporated. Designed for flyback converters, it supports Continuous Conduction Mode (CCM), Discontinuous Conduction Mode (DCM), and Quasi-Resonant (QR) operations. The device integrates high-side and low-side MOSFET driver capabilities within a compact SOT26 package. It features fast turn-on and turn-off delays to minimize power loss and ensure safe operation without additional external components.

Feature Summary

• Supports CCM, DCM, and QR flyback converter topologies
• Configurable as high-side or low-side driver
• Fast switching delays reduce conduction losses
• Integrated UVLO protection and light-load mode

Applications

• Adapters and chargers
• Mobile phones
• Home telephones
• ADSL modems
• Portable MP3 players

Procurement Notes

Verify the specific suffix 'W6-7' against official Diodes Incorporated documentation to confirm the exact tape-and-reel quantity and packaging configuration. Ensure that the ordering information matches the manufacturer's current datasheet specifications regarding moisture sensitivity levels and surface finish requirements before finalizing procurement orders.

Selection Notes

Select this component for designs requiring efficient secondary-side rectification in flyback architectures. It is suitable for applications needing configurable high-side or low-side driving with minimal external circuitry. Consider its operational modes and voltage range when matching system requirements for adapters, consumer electronics, and communication devices.

Part Context

This part belongs to the APR34x series of synchronous rectifier controllers from Diodes Incorporated. These ICs are designed to replace traditional diodes in power supplies, improving efficiency. The APR348W6-7 specifically targets versatile flyback applications across various consumer and industrial electronic devices.

Replacement Considerations

APR343KTR-G1 is listed as an alternative option.