NCP1079ABP065G

AC DC Converters, Offline Switchers Overview

The NCP1079ABP065G is an enhanced off-line switcher from onsemi, designed for flyback AC/DC converter applications. It integrates a high-voltage power MOSFET and current-mode PWM controller in a single package. Key electrical parameters include a switching frequency of 65 kHz, a maximum duty cycle of 68%, and a breakdown voltage of 700V. The device supports isolated outputs with a maximum output power of 41 W. It operates within a junction temperature range of -40°C to +125°C and features built-in fault protection mechanisms including overcurrent, overtemperature, and overvoltage protection.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a current-mode PWM controller for compact design
• Provides comprehensive fault protection against overcurrent, overtemperature, and overvoltage conditions
• Supports isolated flyback topology with enhanced efficiency characteristics

AC DC Converters, Offline Switchers Applications

• AC/DC converters for low to medium power applications
• Offline switchers for consumer electronics
• Adapters and chargers requiring isolated outputs

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and specific manufacturing lot details relevant to your assembly requirements. Check for any product change notifications (PCN) or end-of-life (EOL) notices that may affect long-term supply stability. Ensure storage and handling procedures meet the specified environmental standards for semiconductor devices.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching with minimal external components. Consider the 65 kHz switching frequency and 41 W power capability when sizing passive elements. Evaluate thermal management needs given the operating temperature range and power dissipation. Compare against alternative models in the NCP107x series if different voltage ratings or pin configurations are required for the specific application constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP107xA enhanced off-line switcher family from onsemi. These devices are designed to simplify power supply design by integrating both the controller and power switch. The NCP1079 variant typically offers higher power capabilities compared to lower-numbered members of the series. The 'BP' suffix indicates a PDIP-8 package, while '065' denotes the 65 kHz switching frequency option.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute: NCP1079AAP100G.