NCP1652DR2G

Overview

The NCP1652DR2G is a high-efficiency single-stage power factor correction and step-down controller manufactured by onsemi. It integrates CCM/DCM PFC control with synchronous buck regulation in a 16-SOIC package. The device operates at a switching frequency of 100 kHz, supporting continuous and discontinuous conduction modes for optimized performance across varying load conditions.

Feature Summary

• Integrates single-stage PFC and step-down controller functions
• Supports both Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM)
• Operates at a fixed 100 kHz switching frequency

Applications

• High-efficiency single-stage AC-DC converters
• Power factor correction circuits requiring integrated step-down regulation
• Consumer electronics power supplies

Procurement Notes

Verify the obsolete status indicated by distributor listings before procurement. Confirm availability through authorized channels as production end-of-life may limit supply. Ensure the 16-SOIC package matches design requirements. Check RoHS compliance documentation for material composition declarations prior to integration.

Selection Notes

Select this component for designs requiring combined PFC and DC-DC functionality in a single IC. The 100 kHz frequency suits applications balancing size and efficiency. Verify thermal management capabilities for the SOIC-16 package under expected load conditions. Ensure input voltage ranges align with system specifications.

Part Context

Part of the NCP165x series focusing on single-stage power conversion solutions. Designed to simplify bill of materials by combining PFC and buck stages. Competes with integrated controllers offering similar topology reduction benefits in compact power supply designs.

Replacement Considerations

• NCP1652ADR2G
• NCP1652DWR2G

FAQ

What conduction modes does the NCP1652 support?

It supports both Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM).

What is the operating switching frequency?

The device operates at a fixed switching frequency of 100 kHz.