TNY277PG

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PMIC - AC DC Converters, Offline Switchers are commonly used in nowadays. They are reliable, efficient and low cost devices for converting power from one form to another. TNY277PG is one of the most popular products used for these purpose. This article will focus on its application field and working principle.

Application Field: TNY277PG is designed as one of the best offline switchers used in RS-232 and low-voltage applications. It is specially suitable for electronic equipment that requires stable supply voltage and is able to accommodate large transient load and prove small transient load. The wide voltage range makes it applicable in various applications, such as battery charger, telecom power supply, and off-line LED light control.

Working Principle: TNY277PG uses most of the common working principles of other offline switchers. Its flyback topology makes the power converter able to transferring power from AC to DC signals. Internally, it has integrated start-up, open loop, and short circuit protection circuits, which are used to ensure the safe and reliable operation of the power converter. During the normal working condition, the power supply is switched on and converts the AC power to DC power, then the primary side has MOSFET switches which will be triggered to control the current, output voltage or power according to the desired setting. This principle enables the TNY277PG to be able to work efficiently and safely.

The secondary-side of the converter is responsible for the output stage. The main components are MOSFET, Schottky Diode, and a small transformer, through which the switched current can be transferred to the output. This process, with an additional post-regulation stage, helps to make the output voltage stable. Along with the electronic current limiting (ECL) circuit, the output voltage is able to be leveled automatically and become more stable.

TNY277PG also features a low-power mode. The device can enter this state whenever the primary side operation goes below the rated threshold. During this time, the power consumption is kept minimal and the system does not have to consume much power. The low-power mode helps to extend the usage of the TNY277PG.

Overall, TNY277PG is one of the top products of PMIC - AC DC Converters and Offline Switchers. It works efficiently and is applicable to a wide range of applications. Its integrated protection circuits ensure safe and reliable operation, and its low-power mode helps to extend its usage. With its versatile functionalities, TNY277PG is definitely one of the best choices to meet today’s needs.

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