NCP10671BD100R2G

AC DC Converters, Offline Switchers Overview

The NCP10671BD100R2G is a high-voltage switching controller from the NCP1067X series, integrating a 700 V MOSFET with a fixed-frequency current-mode controller. It operates at a switching frequency of 100 kHz and supports Buck and Flyback topologies. The device features a maximum duty cycle of 72% and includes dynamic self-supply functionality to eliminate auxiliary windings. It provides protection against output short circuits and overvoltage, along with frequency jittering for improved EMI performance.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET with a current-mode controller in a single package
• Features dynamic self-supply capability that removes the need for an auxiliary winding
• Includes built-in protection mechanisms such as automatic recovery overvoltage protection
• Utilizes frequency jittering technology to enhance electromagnetic interference characteristics

AC DC Converters, Offline Switchers Applications

• Offline switch mode power supplies
• Flyback converter designs
• Buck converter applications
• Low power SMPS systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix BD100R2G against official onsemi documentation to confirm the 100 kHz frequency variant. Ensure the SOIC-7 package matches the design requirements. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated high-voltage switching without auxiliary winding complexity. The 100 kHz frequency offers a balance between size and efficiency. Consider the 34 Ohm Rds(on) for appropriate power handling. Verify thermal management needs given the operating temperature range up to 125 C.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP1067X family of high-voltage integrated switchers. It is designed for cost-effective and compact power supply solutions. The integration of the MOSFET and controller simplifies the bill of materials and reduces board space compared to discrete solutions.

AC DC Converters, Offline Switchers Replacement Considerations

NCP10670BD100R2G and NCP10672BD100R2G are confirmed substitutes within the same series. These alternatives share similar control features but differ in internal MOSFET resistance values.