TOP244YN (In Stock:9)

The Power Integrations TOP244YN is a high-voltage monolithic current-mode primary side regulated flyback controller designed for off-line and battery applications. It is available in a thermally enhanced PowerPAK package. Features of the TOP244YN include: 1. High-voltage startup: The device can operate from input voltages as high as 375V, making it suitable for off-line applications. 2. Current-mode control: The TOP244YN uses current-mode control to provide fast transient response and excellent line regulation. 3. Primary side regulation: The device regulates the output voltage on the primary side, eliminating the need for an optocoupler and secondary feedback components. 4. Wide input voltage range: The TOP244YN can operate from input voltages ranging from 40V to 375V, making it suitable for a wide range of applications. 5. High efficiency: The device features a high efficiency of up to 87%, reducing power dissipation and improving system reliability. 6. Protection features: The TOP244YN includes various protection features such as cycle-by-cycle current limiting, over-voltage protection, and over-current protection. Applications for the TOP244YN include: 1. Off-line power supplies: The device is suitable for use in off-line power supplies, such as those used in home appliances and consumer electronics. 2. Battery chargers: The TOP244YN can be used in battery chargers for a variety of battery chemistries, including lithium-ion and lead-acid batteries. 3. LED lighting: The device can be used in LED lighting applications, providing efficient power conversion and dimming control. 4. Industrial control: The TOP244YN can be used in industrial control applications, such as motor drives and power supplies for industrial equipment. Overall, the Power Integrations TOP244YN is a versatile and efficient flyback controller that is suitable for a wide range of applications requiring high-voltage operation and primary side regulation. Its features and protection functions make it a reliable choice for power supply designers.