ON Semiconductor NCP1380BDR2G Product Overview

The NCP1380BDR2G is a high-performance, fixed-frequency, current-mode controller integrated circuit (IC) designed for high-efficiency, offline flyback and forward converters by ON Semiconductor. This versatile IC targets a wide array of power conversion applications, including AC-DC adapters, offline battery chargers, auxiliary power supplies, and LED drivers.

Key Features

• Fixed Frequency Operation: The NCP1380BDR2G operates at a fixed frequency, providing a stable switching frequency that simplifies the design of the magnetic components and the noise filtering.
• Current-Mode Control: This control method offers excellent output load regulation, simplified loop compensation, and inherent protection against short-circuit conditions.
• High-Voltage Startup: With an integrated high-voltage startup circuit, the NCP1380BDR2G ensures a quick and efficient start-up, reducing power consumption.
• Auto-Recovery Overload Protection: The device incorporates overload protection that automatically recovers, enhancing system reliability without the need for manual intervention.
• Frequency Foldback: In response to an overload or short-circuit event, the IC reduces its switching frequency to minimize power dissipation and prevent overheating.
• Adjustable Overcurrent Protection: Designers can set the level of overcurrent protection to match the requirements of their specific application, ensuring safe operation under varying load conditions.

Applications

The NCP1380BDR2G is suitable for a range of applications that require efficient power conversion. Its robust feature set and high level of integration make it ideal for:

• Power supplies for consumer electronics
• Standby and auxiliary power supplies
• LED lighting and drivers
• Offline battery chargers
• Energy-efficient AC-DC adapters

Package and Availability

The NCP1380BDR2G is offered in a compact SOIC-8 package, which is well-suited for space-constrained applications. This product is part of ON Semiconductor's commitment to providing energy-efficient power management solutions and is available for order through their network of distributors and online retailers.