TNY274GN

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PMIC - AC DC Converters, Offline Switchers, is an important part of modern power systems. It allows easy and efficient conversion of AC power to DC power for a wide range of applications. The TNY274GN is a highly effective offline AC/DC converter IC from Power Integrations. It is ideal for low power applications that require energy efficient, cost effective and reliable power conversion.

The TNY274GN is an isolated flyback converter IC that offers high energy efficiency, low electromagnetic interference, wide input voltage range, enabling it to be used for a variety of power conversion applications. The chip integrates an 800 V power MOSFET for a higher peak power output, thus enabling the same product to be used with a wide range of input and output voltages. The TNY274GN implements high efficiency synchronous rectification to reduce power loss by as much as 20%. It also provides a constant frequency and PWM control, which is ideal for achieving low input to output ripple, low EMI and noise, and high efficiency.

The TNY274GN\'s main features include a bi-directional peak current limit system, over-voltage protection (OVP), process over-temperature protection, under-voltage lockout (UVLO) protection and over-temperature protection. It also has a soft start and a light load skip function that can reduce power consumption during light load conditions. In addition, the TNY274GN has a shutdown pin which allows the product to be easily turned off when the system is not in use.

The TNY274GN has a wide range of application fields ranging from industrial, medical, test and measurement, to consumer electronics. It is highly suitable for powering small motors, such as PC fans and blowers, as well as small audio devices. In addition, it can also be used with LED lighting systems, automotive accessories, HVAC systems, UPS systems, home and office automation systems, and many other power supply applications. The TNY274GN works with an input voltage ranging from 85 to 305 VAC, making it a cost effective and convenient solution for a range of applications.

The working principle of the TNY274GN is quite simple. In operation, the device draws power from a high voltage presence source, typically an AC power line. This power is then used to drive the primary winding of the transformer. The secondary winding produces a lower voltage AC output, which is rectified and then output to the load. The output voltage is regulated by varying the switch on time of the power MOSFET. This in turn controls the current drawn from the primary winding, thus providing an efficient and reliable power conversion solution.

In summary, the TNY274GN is an efficient and cost effective offline AC/DC converter IC that is highly suitable for a wide range of applications. With its wide input voltage range and advanced protection feature, the TNY274GN is ideal for powering small motors, lighting systems, HVAC systems and many other power supply applications. With its high efficiency synchronous rectification and constant frequency control, the TNY274GN offers excellent performance, making it a cost effective and reliable power conversion solution.

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