TNY376DN

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PMIC or power management integrated circuit is an electronic device used to convert alternating current (AC) into direct current (DC). The AC/DC conversion process involves the building of a bridge for the AC power going into the circuit to step down the voltage. A DC/DC converter is then used to convert the stepped down voltage back into a usable form. TNY376DN is an AC/DC converter, an offline switcher, which is designed by Power Integrations in order to meet a wide range of isolated and non-isolated AC/DC conversion needs.

Working Principle of TNY376DN

TNY376DN essentially works on the principle of Zero Current Switching (ZCS) or else Zero Voltage switching (ZVS). Through this method the converter can be poised for high efficiency, referring to the ratio of output power to the input power. This is done by limiting the current flow through the upper switch when it is turned on, thereby utilizing the natural capacitance of the device and reducing conduction losses. Consequently, the device is also capable of operation that is flicker free as it eliminates the off-state conduction losses, which is achieved by utilizing the line frequency to snub the current in the upper switch. The TNY376DN also utilises ‘burst mode’ in order to minimize power consumption. Accordingly, the output voltage is maintained at a constant level, in the range of 4.6 V to 13.5 V.

Application Field of TNY376DN

The TNY376DN can be used in a variety of applications, including industrial and consumer markets. It can be used for DC power supply and voltage regulation in motor driven appliances such as ceiling fans, pumps, and other AC/DC conversions. It can also be used for battery-operated portable devices like laptop computers and smart phones, as well as other electronic systems such as gaming consoles and flat-panel TVs. It is also suitable for power supplies of automotive systems such as Hybrid Electric Vehicles (HEV). Additionally, it can be used for other AC/DC conversion applications such as factory automation applications, or any application which requires precise voltage and current levels. The device’s wide range of operation makes it ideal for applications that demand precise voltage and current regulation without fail.

Conclusion

The TNY376DN is a highly efficient AC/DC converter and offline switcher. It is suitable for a wide range of applications, particularly those that demand precise voltage and current regulation. Its Zero Current Switching (ZCS) and Zero Voltage Switching (ZVS) technologies enable high efficiency and flicker free operation. This makes the device ideal for applications in industrial, consumer and automotive markets.

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