ON Semiconductor NCP1380CDR2G Product Overview

The NCP1380CDR2G is a high-performance, fixed-frequency, current-mode controller designed by ON Semiconductor. This integrated circuit is tailored for efficient and reliable operation in switch-mode power supplies, specifically in applications that require a compact form factor without compromising on power efficiency and reliability. The NCP1380CDR2G is a versatile solution that is well-suited for AC-DC adapters, offline battery chargers, and auxiliary power supplies.

Key Features

• Current-Mode Control: The NCP1380CDR2G operates using current-mode control, providing fast transient response and excellent loop stability.
• Fixed Frequency Operation: This device operates at a fixed frequency, which simplifies the design of the electromagnetic interference (EMI) filter and helps in achieving consistent performance.
• High-Voltage Startup: An integrated high-voltage startup circuit reduces standby power consumption and enables the quick start-up of the power supply.
• Frequency Foldback: To enhance efficiency at light loads, the NCP1380CDR2G incorporates frequency foldback, minimizing power loss and improving overall efficiency.
• Overcurrent Protection: The built-in overcurrent protection safeguards the device and the power supply from damage due to output overloads or short circuits.
• Overvoltage Protection: The overvoltage protection feature ensures the longevity of the controller by preventing excessive voltage from damaging the circuitry.
• Thermal Shutdown: An integrated thermal shutdown mechanism protects the device from overheating, enhancing the safety and reliability of the power supply.

Applications

• AC-DC Adapters
• Offline Battery Chargers
• Auxiliary Power Supplies
• Standby and Auxiliary Power for TVs and Monitors
• Energy-Efficient Power Supplies

ON Semiconductor's NCP1380CDR2G is available in a compact, surface-mount SOIC-8 package, which makes it an ideal choice for space-constrained applications. With its robust protection features and efficient performance, this current-mode controller is a reliable and energy-efficient solution for a wide range of power supply designs.

Whether you are designing a new power supply or looking to improve the efficiency and reliability of an existing one, the NCP1380CDR2G by ON Semiconductor is a compelling choice that offers a balance of performance, protection, and ease of use.