TNY274PN

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The TNY274PN is a member of the TinySwitch family of the Power Management Integrated Circits (PMICs). It is an off-line switcher integrated circuit with high performance AC-DC conversion abilities. It incorporates proprietary high-voltage, high-speed, self-biasing power MOSFET and adaptive on-time control. Such features make it suitable for a variety of applications, like white goods, home computing, plasmas, and thermopiles.

The TNY274PN can be used to control linear or switch mode AC-DC power supplies with output currents up to 1A. It includes constant switching frequency, and ripple compensation techniques, allowing the users to customize the output according to their requirements. It also includes separate threshold voltage and delay circuitry to prevent the power MOSFET from oscillating or developing parasitic ringing at the output. The TNY274PN can switch up to 1A at a fixed frequency of 65kHz, and is optimized for fast transient response. Its wide common mode range and low dropout voltage enable it to effectively eliminate broken AC line issues.

The TNY274PN operates on an input voltage range from 0~100V, with a peak voltage of 200V. This operating voltage range makes it suitable for medium power applications. It also features low standby power consumption, making it suitable for low-power applications. Its performance is further enhanced by the integrated protection mechanisms, such as failsafe and over-temperature protections. This ensures the circuit is highly reliable, even in demanding environments.

The TNY274PN has many useful features, such as adjustable soft-start, adjustable turn-on and turn-off times, adjustable current limit and programmable overshoot control. All of these features combine to make the TNY274PN a very versatile and efficient AC-DC converter. Its integrated design reduces the external components required, making it a cost-effective choice.

The TNY274PN has a simple working principle. It uses a Buck-Boost Converter to regulate the output voltage. It consists of high-voltage MOSFETs, which control the output power to maintain a constant voltage level. It is capable of regulating both step-up and step-down voltages, allowing it to provide smooth output regulation. The on-time control of the TNY274PN ensures its high efficiency and low EMI emissions.

In conclusion, the TNY274PN is an efficient and flexible AC-DC converter, suitable for a wide range of applications. With its high peak voltage, low power consumption, and integrated protection mechanisms, it is an affordable, reliable, and easy to use solution for any application requiring AC-DC conversion.

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