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NCP13992AJDR2G

NCP13992AJDR2G Description

The NCP13992AJDR2G from onsemi is a high-performance offline half-bridge resonant controller IC designed for AC/DC power conversion applications. Packaged in a 16-SOIC surface-mount form factor, this active component is optimized for isolated power supplies with a wide input voltage range of 9.5V to 20V and a startup voltage of 9V. It supports a switching frequency range of 20kHz to 750kHz, making it suitable for high-efficiency designs. The device incorporates advanced control features such as frequency control, soft start, and synchronization (Sync), ensuring stable operation in demanding environments.

NCP13992AJDR2G Features

• Robust Fault Protection: Includes current limiting, open-loop detection, overload, over-temperature, over-voltage, and short-circuit protection, enhancing system reliability.
• Flexible Control: Features EN (enable) pin, frequency modulation, and soft-start for precise power management.
• Wide Frequency Range: Operates from 20kHz to 750kHz, enabling optimization for efficiency and EMI performance.
• 50% Duty Cycle: Ensures balanced operation in half-bridge topologies.
• Compliance & Reliability: ROHS3 compliant, REACH unaffected, and rated for MSL 3 (168 hours) moisture sensitivity.
• Isolated Output: Supports isolated power supply designs, critical for safety and noise immunity.

NCP13992AJDR2G Applications

This IC is ideal for:

• High-efficiency SMPS (Switched-Mode Power Supplies) for industrial and consumer electronics.
• LED drivers requiring stable, isolated power delivery.
• Server/telecom power systems demanding fault resilience and wide input voltage tolerance.
• Adapter/charger designs where soft-start and synchronization reduce inrush current.
• Resonant LLC converters benefiting from its half-bridge topology and frequency control.

Conclusion of NCP13992AJDR2G

The NCP13992AJDR2G stands out as a versatile, high-reliability resonant controller for offline power conversion. Its comprehensive protection suite, adjustable frequency, and isolated output make it superior to basic PWM controllers, particularly in high-efficiency, noise-sensitive applications. Engineers will appreciate its onsemi pedigree, compliance with environmental standards, and robust performance in demanding power supply designs.