TOP202YAI

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The TOP202YAI (Trans-ontroller Power Integrator) is a highly integrated AC/DC power switching controller that offers many features that help make it an ideal choice for a wide range of AC/DC power applications. The TOP202YAI integrates MOSFETs, PWM, and dual-level protections, creating a very efficient and reliable power delivery solution. The device enables designers to create efficient AC/DC power solutions with low cost and simple designs.

The TOP202YAI is a monolithic integrated circuit that combines PWM (Pulse Width Modulation), MOSFETs (Metal Oxide Semiconductor Field-Effect Transistors) and dual-level protection in a single package. From a single power supply, the device can be used to create a range of AC/DC power solutions, ranging from very low power up to higher power applications. The PWM design allows the device to achieve high efficiency levels in both continuous and discontinuous conduction mode. In addition, the device also offers a variety of integrated features such as maximum output current protection, frequency jittering, and programmable UVLO (Under Voltage Lockout) and OCP (Over Current Protection).

The TOP202YAI provides two different switching frequencies, a fixed high frequency at 500 kHz or a fixed low frequency of 24 kHz. It also supports an externally adjustable switching frequency from 24 kHz to 160 kHz. The device integrates a selectable non-overlapping startup option for transformer windings. Its PFM (Pulse Frequency Modulation) mode allows lower-noise switching at light loads, also result in improved efficiency. The device also supports synchronous operation when used with a switching power supply controller.

The TOP202YAI provides a variety of integrated protections. For example, programmable UVLO (under-voltage lockout) and OCP (over-current protection) are integrated to provide reliable system operation, even in the event of a fault condition. The device also provides maximum output current protection, allowing operation within a pre-defined current limit in order to protect the device from over-current.

The TOP202YAI can be used in various applications such as offline AC/DC conversion, AC/DC switch mode power supplies, DC/DC converter applications, synchronous rectification, and transformer-less, non-isolated flyback converters. Its features, such as low startup current, low cost, and efficiency, make it an ideal choice for AC/DC power applications.

In summary, the TOP202YAI is a highly integrated AC/DC power switching controller that offers a wide range of features to power applications. The device provides PWM, MOSFETs, and dual-level protections, an adjustable switching frequency, PFM mode, and variety of integrated protections. It can be used in a wide range of AC/DC applications such as offline AC/DC conversion, AC/DC switch mode power supplies, DC/DC converter applications, synchronous rectification, and transformer-less, non-isolated flyback converters. The TOP202YAI is an ideal choice for AC/DC power applications due to its low startup current, cost and high efficiency.

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