SC2595STRT

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PMIC, or Power Management Integrated Circuits, are vital components in the process of providing power to integrated circuits. They enable steps of controlling the flow of electricity, transforming and regulating the voltage and then distributing it to the rest of the circuit. In the Voltage Regulators family, these circuits are divided by their specific purpose to gain maximum efficiency. Special Purpose Voltage Regulators stand out as they have even more specific applications in powered circuitry. This article will discuss one such regulator, the SC2595STRT, and its application field and working principle.

The SC2595STRT is a low-voltage, low-dropout voltage regulator specifically designed to meet the demanding requirements of systems operating from 3.3V to 5V power sources. This integrated solution consists of two independentMOSFETs, two identical high-side current limiters and a voltage regulator. It is suitable for buck-mode and boost-mode battery charging and comes in an 8-lead thin shrink small outline package (TSSOP).

As the SC2595STRT is specifically designed for portable battery powered systems such as portable media players, digital cameras, PDAs and mobile phones. Its 3.3V to 5V range also allows it to be used in automotive, industrial and other applications requiring a low voltage regulator. The SC2595STRT’s voltage dropout is low, making it suitable for battery-powered devices as the voltage drop ensures a more accurate regulation. This low dropout also benefits other applications which require maximum power efficiency for the regulator.

The SC2595STRT works by tracking the system voltage and adjusting current accordingly. When the voltage rises over its predetermined set point, the high side MOSFET is activated and current is shut off. This current stoppage prevents overcharging of the battery and keeps the output voltage within its desired range. Likewise, when the voltage is below the set point, the low side FET is activated and current is allowed through.

The SC2595STRT also comes with a power-saving feature; during light load operation the voltage regulator can enter into a low power mode. This conserves energy and prolongs the battery life by reducing the power consumption of the voltage regulator. This feature, combined with the low voltage drop and the maximum output current of the voltage regulator, makes it a perfect choice for portable battery-powered applications.

Overall, the SC2595STRT voltage regulator offers a complete and flexible solution for applications requiring both buck-mode and boost-mode current and low voltage dropout. Its features such as its low power mode, as well as its low dropout voltage and maximum output current, make it a great choice for applications in portable device, digital cameras, mobile devices and more.

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