onsemi

NCP1650DR2G

NCP1650DR2G Description

The NCP1650DR2G from onsemi is a high-performance Power Factor Correction (PFC) Controller IC designed for efficient AC-DC power conversion in both Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM). Packaged in a 16-SOIC and supplied via Tape & Reel (TR), this obsolete but robust IC operates at a fixed switching frequency of 100kHz, with a wide supply voltage range of 10V to 20V, making it suitable for industrial and commercial power systems. Compliant with EAR99 and REACH Unaffected standards, it ensures reliability in harsh environments while meeting global regulatory requirements.

NCP1650DR2G Features

• Dual-Mode Operation: Supports CCM for high-power efficiency and DCM for reduced switching losses, optimizing performance across load conditions.
• 100kHz Fixed Frequency: Ensures stable operation with minimal noise interference, ideal for EMI-sensitive applications.
• Wide Supply Range (10V–20V): Enhances flexibility in diverse power architectures.
• Surface-Mount Design (16-SOIC): Facilitates compact PCB layouts and automated assembly.
• MSL 1 (Unlimited): No moisture sensitivity concerns, simplifying storage and handling.
• Obsolete but Reliable: Proven in legacy systems, with enduring availability for maintenance and upgrades.

NCP1650DR2G Applications

• Server/Telecom Power Supplies: Ensures high power factor (>0.95) in CCM for energy-efficient data centers.
• LED Drivers: DCM mode reduces losses in mid-power lighting systems.
• Industrial SMPS: Wide voltage tolerance suits variable grid conditions.
• Consumer Electronics: Compact design fits space-constrained PFC stages in TVs/adapters.

Conclusion of NCP1650DR2G

The NCP1650DR2G balances performance and versatility, offering dual-mode PFC control with industry-proven reliability. While obsolete, its 100kHz operation, robust packaging, and compliance make it a pragmatic choice for legacy designs or systems prioritizing stability over cutting-edge features. Ideal for engineers seeking a cost-effective, no-frills PFC solution with a track record in demanding applications.