TNY264P

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PMICs, or Power Management Integrated Circuits, are used in many electronic devices to ensure that they have the correct voltage regulation and power management. The TNY264P belongs to the AC-DC Converters, Offline Switchers category of PMICs, and is suitable for a wide range of general off-line regulator applications.

The TNY264P is a high-performance offline Switcher IC, capable of providing up to a maximum of 250mA of output current. It features a low-ripple start-up switch mode regulation, and includes a wide range of functions such as two-time programmable hysteretic peak current limit regulation, thermal protection, under-voltage lockout, frequency/current fold-back protection, and external compensation.

The working principle of the TNY264P can be explained in four stages:

• Step-down: The AC voltage is adjusted to the desired DC output voltage with the help of an inductor and the switch in the IC.

• Flyback: The inductor stores the energy at the peak of the input voltage, which is then discharged through the switch of the IC to the load.

• Short-Circuit Protection: When the output current exceeds the set current limit, the flyback stage is halted and the current is reduced to avoid damage to the circuit.

• Frequency/Current Foldback Protection: When the output current reaches the preset value, the flyback stage is ended and the switch frequency is reduced to conserve energy and reduce the IC’s temperature.

The TNY264P is suitable for a wide range of applications including battery-powered devices, home appliances, lamps and lighting systems, domestic air conditioning systems, smartphones, PDAs and digital cameras. Its small size and high efficiency makes it ideal for use in space-constrained applications. The TNY264P also offers protection against over-temperature, over-voltage, under-voltage, and current overload.

The TNY264P is a highly reliable and efficient offline switcher IC that offers a wide range of features. It can provide up to a maximum of 250mA of output current and has been designed with a low-ripple start-up switch mode regulation. It is suitable for a wide range of applications, and offers protection against over-temperature, over-voltage, under-voltage, and current overload. The TNY264P is a great choice for battery-powered devices, home appliances, lamps and lighting systems, domestic air conditioning systems, smartphones, PDAs and digital cameras.

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