NCP10672BD100R2G

AC DC Converters, Offline Switchers Overview

The NCP10672BD100R2G is a high-voltage switcher from onsemi, integrating a fixed-frequency current-mode controller with a 700 V MOSFET in an SOIC-7 package. It operates at a switching frequency of 100 kHz with a maximum duty cycle of 72%. The device features a low on-resistance (Rds(on)) of 12 Ω and supports Buck and Flyback topologies. It provides one output with a maximum output voltage of 9 V and output current of 8 mA. Operating temperatures range from -40 °C to +125 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V MOSFET with a fixed-frequency current-mode controller for high-density designs.
• Features dynamic self-supplying capability, eliminating the need for auxiliary windings.
• Includes frequency jittering to improve EMI performance and reduce electromagnetic interference.

AC DC Converters, Offline Switchers Applications

• Flyback converters
• Buck converters
• Low power SMPS

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'BD100R2G' against the manufacturer's official documentation to confirm pinout, thermal characteristics, and compliance status. Ensure the selected package matches the PCB footprint requirements. Cross-reference the datasheet for any recent product change notifications or lifecycle status updates before finalizing procurement plans.

AC DC Converters, Offline Switchers Selection Notes

Select this component when a compact solution combining a 700 V switch and controller is required. The 12 Ω Rds(on) suits moderate power applications compared to lower resistance variants. Verify that the 100 kHz fixed frequency aligns with transformer design constraints and EMI filtering capabilities of the target system architecture.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP1067X series of integrated high-voltage switchers. Unlike discrete solutions, it combines control logic and power switching in a single package. The series offers various Rds(on) options, with this model providing a balance between conduction losses and cost for general-purpose offline power supplies.

AC DC Converters, Offline Switchers Replacement Considerations

NCP10670BD100R2G

AC DC Converters, Offline Switchers FAQ

Does the NCP10672BD100R2G require an auxiliary winding?

No, it features dynamic self-supplying capability that eliminates the need for an auxiliary winding.

What is the internal MOSFET resistance of this part?

The internal MOSFET has an on-resistance (Rds(on)) of 12 Ω.