A8293SETTR-T

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A8293SETTR-T is a special purpose type of voltage regulator developed and manufactured by Allegro MicroSystems. It is a multi-channel, two-stage system-in-package (SiP) product that is designed to provide precision voltage regulation and protection for very high levels of digital and analog applications.

A8293SETTR-T integrates up to eight channels of linear regulators with precision voltage tracking between the channels and excellent voltage regulation over the full load range of their specified operating voltages. Each channel contains a low drop-out (LDO) regulator and a low on-resistance series cascode FET switch which can be used to protect the system from high voltage transients. The device is capable of sustaining a load input of up to 80V which can offer maximum flexibility when applying to a wide range of applications.

The A8293SETTR-T operates over a wide input voltage range of 4.5V to 76V and boasts a high accuracy of ±2.5% over the full operating temperature range. With a low quiescent current in shutdown mode and fast turn-ON/OFF times, it ensures a high efficiency in various application scenarios. It also includes a power-on reset circuit that can provide a reset signal after an undervoltage lockout (UVLO) event, ensuring reliable system operation. The device also features selectable power-good signals for each channel, allowing for a more sophisticated system design.

One of the major applications of A8293SETTR-T is in automotive infotainment systems. With its high efficiency, wide input voltage range, and multiple channels providing precise and consistent voltage tracking, it can provide a reliable and safe power supply for the system. Another application is in DRS (Distributed Resource System) and UPS (Uninterruptible Power Supply) systems, where A8293SETTR-T can be used due to its robust protection features.

By breaking down the working principle of A8293SETTR-T, it starts with a high input voltage that is connected to a two-stage operation. The first stage sends the main voltage to the system via an LDO regulator to provide a stable output voltage. In parallel to this stage, the voltage is kept at a certain level by the cascode FET switch which can be used to protect the system in case of high voltage transients. After this, the second stage is made up of power-good signals and reset signals for each channel. The power-good signals enable the device to monitor the health and performance of the system and the reset signal can be used to effectively restore the system from power situations.

In conclusion, A8293SETTR-T is a high-performance voltage regulator product developed by Allegro MicroSystems. It has a wide operating voltage range, a high efficiency, and offers excellent protection and performance in various applications. The device also includes multiple channels with precise and consistent voltage tracking to provide a reliable source of power. These features make it a great solution for a range of high-end power management applications.

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