PT5109L

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The PT5109L is a DC-DC converter, designed to stepdown an input of up to 36V DC to a regulated output voltage of 0.8V, adjustable from 0.8V to 4.2V. It is specifically designed for portable applications. The PT5109L is based on a Buck topology, giving it superior transient response, high efficiency, and a high accuracy output voltage. The IC also utilizes a FluxLink technology to reduce the number of passive components, thereby reducing overall size and cost.

The PT5109L includes features such as an integrated MOSFET, an internal 0.1V reference voltage generator, an adjustable current limit, and a soft-start. The total power dissipation rating is up to 100mW and the total quiescent current consumption is only 360uA. The IC is packaged in a small 6-pin SOP package.

The PT5109L is designed to offer a high efficiency and a high accuracy output voltage, without sacrificing the transient response of the system. The IC utilizes a Buck topology, which provides high efficiency and helps reduce heat generation. The input voltage range is from 2.7V to 36V, while the regulated output voltage range is from 0.8V to 4.2V.

The switching frequency of the PT5109L is 1MHz, and it uses a FluxLink technology to reduce the number of external components. This means that the overall size and weight of the DC/DC converter is reduced. The external components for the design are just a few components, such as a capacitor and an inductor. The maximum power output is up to 10W.

The IC also includes an adjustable current limit, a 0.1V reference voltage generator, and a soft start feature. The adjustable current limit helps keep a constant output voltage, even when the input voltage fluctuates. The soft start feature helps to reduce the in-rush current at start-up, which reduces the possibility of overloading the power source. The IC is also temperature-protected.

The PT5109L is ideal for use in portable applications such as tablets and smartphones. It offers a high efficiency and a high accuracy output voltage, without sacrificing the efficiency. It also has an adjustable current limit, a 0.1V reference voltage generator, and a soft start feature, which are all useful features for such applications. It is packaged in a small 6-pin SOP package, which means it is ideal for space-constrained applications.

Overall, the PT5109L is an ideal DC/DC converter for portable applications. It offers a high efficiency and a high accuracy output voltage, while taking up a small amount of space. It is also temperature-protected and offers features such as an adjustable current limit and a soft start feature. The total power rating is up to 10W and the input voltage range is from 2.7V to 36V, allowing it to be used in a variety of applications.

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