NCP1615ADR2G

Overview

The NCP1615ADR2G is a PFC controller designed for critical conduction mode (CrCM) operation. It integrates a high-voltage startup circuit and an internal MOSFET driver. The device supports universal AC input ranges and provides cycle-by-cycle peak current control. Key electrical parameters include a supply voltage range of 8V to 30V, a switching frequency up to 150 kHz, and an operating temperature range from -40°C to +125°C. It features a SOIC-8 package with thermal pad.

Feature Summary

• Integrates high-voltage startup circuitry to reduce external component count
• Supports critical conduction mode for improved efficiency at light loads
• Includes internal gate drive capability for external power MOSFETs

Applications

• Universal input offline power supplies
• LED lighting drivers
• Consumer electronics adapters

Procurement Notes

Verify the specific ordering suffix matches the required tape and reel quantity. Confirm that the package marking aligns with onsemi's standard identification codes. Ensure the procurement channel is authorized to guarantee authenticity. Check for any recent lifecycle status updates regarding obsolescence or recommended alternatives before finalizing orders.

Selection Notes

Select this component when critical conduction mode operation is required for high-efficiency applications. Consider the integrated startup feature if minimizing external BOM is a priority. Evaluate the thermal performance requirements relative to the SOIC-8 package limitations. Compare against other CrCM controllers based on specific frequency and voltage constraints.

Part Context

This part belongs to onsemi's PFC controller family focused on cost-effective solutions for medium-power applications. It complements other models by offering integrated startup without sacrificing performance. The design targets manufacturers seeking simplified layouts for universal AC-DC converters.

Replacement Considerations

Check onsemi's official substitution guide for direct pin-compatible alternatives. Verify functional equivalence in terms of control architecture and electrical limits. Ensure any substitute maintains compatibility with existing PCB layout and thermal management strategies.