PT5027C

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The PT5027C is a DC-DC converter designed for applications demanding high current density and small profile. It is a wide input switching regulator with a 5V/2A output. It is especially designed for space-limited applications, suitable for mounting on both through-hole and surface mount circuit boards.

The PT5027C has an input voltage range from 3.6V to 18V. It offers outstanding power conversion efficiency with, typically, 80% at full load and 85% at low loads. The working principle of the PT5027Cis based on the concept of pulse-width modulation (PWM). In this method, the voltage of the output is switched in order to achieve a stable output voltage even in the presence of input voltage fluctuations. The PWM switching frequency of the PT5027C is factory-set to 1MHz.

The output current of the PT5027C is provided via an internal power MOSFET, which is controlled by a sophisticated on-board control circuitry. The static and dynamic characteristics of the PT5027C make it suitable for a variety of applications including communications systems, embedded systems, computing systems, consumer products, and industrial automation.

The PT5027C is designed for efficient operation and is also capable of operating at low currents, making it an ideal choice for applications requiring low power consumption. It has an onboard Short-Circuit Protection (SCP) feature which enables it to shut down in case of overloads, thus protecting the circuit from damage.

In addition to its efficient operation, the PT5027C also features a fast transient response, with a maximum output accuracy of ±8%. This makes it suitable for applications demanding precise voltage regulation. To further ensure reliable operation, the PT5027C is temperature-compensated and it monitors its own temperature to ensure it never gets too hot.

The PT5027C also has an internal adjustable Soft-Start to prevent unwanted inrush currents, and an under voltage protection (UVP) to prevent the output voltage from dropping too low. It also features current limiting and thermal shutdown protection, which protect from over current and over temperature conditions, respectively. The PT5027C is available in an SOIC-8 package.

To reduce power dissipation and module noise, the PT5027C incorporates a patented active Burst Mode Control. With this feature enabled, the control circuitry only works when there is an instantaneous load variation, and stops working during steady-state conditions. This results in lower power consumption and improved noise performance.

In summary, the PT5027C is a DC-DC converter designed to offer high current density and low profile. It features an input voltage range of 3.6V to 18V, with excellent power conversion efficiency and fast transient response. It is ideal for applications demanding precise voltage regulation, with features such as SCP, soft start, under voltage protection, current limiting, and thermal shutdown protection. The PT5027C is also designed to reduce power dissipation and noise, allowing it to be used even in primitive noise environments.

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