The OB2226CPA-H is a highly integrated and cost-effective current mode PWM control IC optimized for offline flyback converter applications. It offers comprehensive protection features and excellent performance, making it suitable for various power supply designs.

Applications:

• Power adapters for mobile devices and peripherals.
• Standby power supplies for consumer electronics.
• Open-frame power supplies for various applications.
• LED lighting power supplies.
• Battery chargers.

Features:

• Current Mode PWM Control: Provides excellent dynamic response and simplifies control loop design.
• Low Startup Current: Minimizes power consumption during startup, improving efficiency.
• Internal Slope Compensation: Prevents sub-harmonic oscillation, ensuring stable operation.
• Cycle-by-Cycle Current Limiting: Protects the power MOSFET from overcurrent conditions.
• Over Voltage Protection (OVP): Protects the load from excessive output voltage.
• Over Temperature Protection (OTP): Protects the IC from overheating.
• Short Circuit Protection (SCP): Protects the power supply from short circuit conditions.
• Open Loop Protection: Prevents damage in case of an open loop condition.
• Frequency jittering for improved EMI performance Reduces electromagnetic interference, simplifying system design.
• Available in DIP-8 Package: Provides a compact and cost-effective solution.

Benefits:

• High Efficiency: Achieves high efficiency levels, reducing power consumption and heat dissipation.
• Reliable Operation: Comprehensive protection features ensure reliable operation under various conditions.
• Cost-Effective: Integrated features and a compact package provide a cost-effective solution.
• Simplified Design: Current mode control and integrated features simplify power supply design.
• Improved EMI Performance: Frequency jittering reduces electromagnetic interference.

Additional Details:

The OB2226CPA-H operates in current mode control, providing excellent dynamic response and simplifying control loop design. It features a low startup current, which minimizes power consumption during startup. The internal slope compensation prevents sub-harmonic oscillation, ensuring stable operation. Cycle-by-cycle current limiting, over voltage protection, over temperature protection, and short circuit protection provide comprehensive protection against various fault conditions. The device also incorporates frequency jittering to improve EMI performance.

The OB2226CPA-H is available in a DIP-8 package. This makes it easy to implement in a variety of power supply designs. Its integrated features and robust protection capabilities make it a reliable and cost-effective solution for various applications.