NCP1217AD65R2

AC DC Converters, Offline Switchers Overview

The NCP1217AD65R2 is an offline switch controller designed for flyback topology applications. It operates at a fixed switching frequency of 65kHz and supports a maximum duty cycle of 46.5%. The device features a startup voltage of 12.8V and requires a supply voltage range between 7.6V and 16V. Packaged in an 8-SOIC format, it provides isolation and includes protection against overload, overtemperature, and short circuit conditions. The component is rated for junction temperatures from 0°C to 150°C.

AC DC Converters, Offline Switchers Feature Summary

• Fixed 65kHz switching frequency operation
• Integrated overload, overtemperature, and short circuit protection
• Flyback converter topology support

AC DC Converters, Offline Switchers Applications

• Offline power supplies
• Flyback converter designs
• AC-DC conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the obsolete status and check for alternative sources such as Rochester Electronics. Confirm RoHS compliance requirements as the part may not meet current standards. Ensure availability matches project timelines due to discontinuation.

AC DC Converters, Offline Switchers Selection Notes

Select this component for flyback applications requiring a fixed 65kHz frequency. Consider the 46.5% duty cycle limit and 12.8V startup threshold. Verify thermal management for the 0°C to 150°C operating range and ensure compatibility with the 8-SOIC package.

AC DC Converters, Offline Switchers Part Context

Part of the NCP1217 series from onsemi. Designed for offline switching applications. Uses 8-SOIC packaging. Related parts include NCP1216 and NCP1219 variants within the same family.

AC DC Converters, Offline Switchers Replacement Considerations

NCP1216AD65R2

AC DC Converters, Offline Switchers FAQ

What is the maximum duty cycle?

The maximum duty cycle is 46.5%.

Does the NCP1217AD65R2 have internal switches?

No, it does not have internal switches.