NCP1079BAP130G

AC DC Converters, Offline Switchers Overview

The NCP1079BAP130G is an enhanced off-line switcher from onsemi, designed for flyback topology AC/DC conversion. It integrates a high-voltage startup circuit and current-mode control within an 8-PDIP package. Key electrical parameters include a switching frequency of 130 kHz, maximum output power of 41 W, and output current capability of 1.05 A. The device operates with a supply voltage range of 6.5 V to 20 V and supports a maximum duty cycle of 68%. It functions reliably across a temperature range of -40°C to +125°C TJ.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage startup circuit eliminating the need for auxiliary winding
• Provides comprehensive protection against overcurrent, overtemperature, and short-circuit conditions
• Utilizes current-mode control architecture for stable regulation

AC DC Converters, Offline Switchers Applications

• Adapters for mobile phones and tablets
• Set-top box power supplies
• Telecommunication equipment power modules

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized channels as this part is officially discontinued by the manufacturer. Confirm that the specific PDIP-8 package variant matches design requirements before integration. Review official Product Change Notifications for any material or manufacturing process updates documented prior to end-of-life status.

AC DC Converters, Offline Switchers Selection Notes

Select this component for isolated flyback designs requiring integrated switching capabilities without external driver circuits. Ensure the 130 kHz frequency aligns with transformer specifications and EMI constraints. Verify that the 41 W power limit satisfies system load requirements under worst-case thermal conditions.

AC DC Converters, Offline Switchers Part Context

This device belongs to the NCP1079 series of enhanced off-line switchers. It shares architectural similarities with other members like NCP1079AAP100G but differs in switching frequency and package configuration. The series targets low-to-medium power applications where cost-effective integration of control and switching functions is required.

AC DC Converters, Offline Switchers Replacement Considerations

NCP11184A130PG is listed as a manufacturer-recommended substitute.