NCP1343FNAAABCD1R2G

AC DC Converters, Offline Switchers Overview

The NCP1343FNAAABCD1R2G is a high-frequency quasi-resonant flyback controller manufactured by onsemi. It belongs to the NCP1343 series and is designed for offline AC/DC power conversion applications. The component utilizes Silicon technology and operates within a temperature range of -40°C to +125°C. It is housed in a surface-mount SOIC-9NB package with nine leads. This switching controller supports flyback topology and functions as part of the PMIC category, offering integrated features for efficient power management in compact designs.

AC DC Converters, Offline Switchers Feature Summary

• High-frequency quasi-resonant operation for optimized efficiency
• Integrated flyback controller architecture
• Supports non-isolated output configurations
• Includes dedicated fault protection mechanisms

AC DC Converters, Offline Switchers Applications

• Offline AC/DC power supplies
• Flyback converter designs
• General purpose power management systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix ABCD against the official datasheet to confirm pinout and electrical characteristics. Ensure the SOIC-9NB package matches the PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high-frequency quasi-resonant control in a compact surface-mount package. Consider the operating temperature range and flyback topology compatibility. Evaluate the integration level against system complexity requirements and verify thermal performance within the specified junction temperature limits.

AC DC Converters, Offline Switchers Part Context

This device is part of the NCP1343 family from onsemi, which focuses on high-performance AC/DC conversion. The series targets modern power supply designs needing reduced size and improved efficiency. It serves as a primary side controller for offline converters, distinguishing itself through integrated quasi-resonant capabilities and robust protection features.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same product family. Verify functional equivalence regarding switching frequency and control logic before substitution.