The NCP1255CD65R2G is a highly integrated PWM controller designed by ON Semiconductor, a leading provider of semiconductor-based solutions. This component is specifically engineered to deliver efficient and reliable performance for switched-mode power supplies (SMPS), particularly those found in AC-DC adapters, offline battery chargers, and a variety of other power conversion applications.

Key Features

• Adjustable Switching Frequency: The device offers a flexible switching frequency that can be adjusted from 65 kHz to a maximum value, allowing designers to optimize the performance for specific applications and manage electromagnetic interference (EMI).
• Current Mode Control: It incorporates current mode control which provides fast transient response and simplifies loop compensation.
• Built-in Frequency Jittering: The NCP1255CD65R2G includes frequency jittering which helps in reducing EMI, thereby easing the design of low noise power supplies.
• High-Voltage Startup: An integrated high-voltage startup circuit ensures quick and efficient startup, minimizing standby power consumption.
• Auto-Recovery Fault Protection: The device features comprehensive protection against overcurrent, overvoltage, and short circuits, with an auto-recovery function to ensure continued operation after fault conditions.

Energy-Efficient Operation

The NCP1255CD65R2G is designed with energy efficiency in mind. Its low standby power and high efficiency reduce energy consumption, making it an ideal choice for applications requiring compliance with energy-saving standards.

Package and Reliability

Housed in a compact DFN-10 package, the NCP1255CD65R2G is not only space-saving but also offers enhanced thermal performance. ON Semiconductor's commitment to quality ensures that this PWM controller is reliable and durable, capable of withstanding the demands of a wide range of power environments.

Applications

The versatility of the NCP1255CD65R2G makes it suitable for a broad array of power supply designs, including but not limited to:

• AC-DC Adapters for Consumer Electronics
• Offline Battery Chargers
• Standby and Auxiliary Power Supplies
• LED Drivers
• Open Frame SMPS