NCP1651DR2G

Overview

The NCP1651DR2G is a single-stage Power Factor Correction (PFC) controller manufactured by onsemi. It supports Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM) operation with a switching frequency range of 25 kHz to 250 kHz. The device operates within a supply voltage range of 10 V to 18 V and features an operating temperature range from -40°C to +125°C. It is housed in a 16-SOIC package with a width of 3.90 mm. The startup current is specified at 8.5 mA.

Feature Summary

• Integrated single-stage PFC control architecture supporting both CCM and DCM modes
• Adjustable switching frequency capability ranging from 25 kHz to 250 kHz
• High-temperature operation rated up to +125°C junction temperature

Applications

• Single-stage AC-DC power supplies
• Universal input power factor correction circuits
• Compact LED drivers requiring integrated PFC and regulation

Procurement Notes

Verify component authenticity through authorized channels as the part status is End-of-Life. Confirm RoHS compliance documentation availability for specific manufacturing lots. Check for alternative sources or lifecycle management options due to discontinuation status. Ensure ordering suffixes match required packaging specifications.

Selection Notes

Select this controller for designs requiring integrated PFC and secondary-side regulation in a single stage. Consider the 16-SOIC package constraints for thermal management. Evaluate the 250 kHz maximum frequency against magnetic component size requirements. Verify compatibility with the target output voltage and load current specifications.

Part Context

This component belongs to the NCP1651 series of single-stage PFC controllers. It is designed to simplify power supply architectures by combining PFC and DC-DC regulation functions. The series targets cost-sensitive applications where board space and component count are critical factors.

Replacement Considerations

Public confirmed substitute part numbers are not available.