A6812SEPTR

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A6812SEPTR is an integrated power distribution switch, load driver and regulator IC from the Apex Microtechnology Corporation. The device is suited for a variety of applications and provides voltage regulators for small personal systems, such as laptops and PDAs. The A6812SEPTR is specifically designed for the use in RS-232, USB and other serial peripheral interfaces.

The A6812SEPTR power distribution switch features four channels with either open-drain outputs or single-pole/single-throw (SPST) switch outputs. It is designed to provide a temperature-stable, low power, bidirectional switching function. Each of the SPST outputs is capable of driving up to 400mA at 24V, and the open-drain outputs can be driven up to 2A at 15V. The device also offers an adjustable voltage regulator that is capable of supplying up to 8V at 2A, and a linear regulator that can be programmed to supply up to 15V at 500mA.

The A68-12SEPTR also includes a pair of low power, bidirectional switching outputs, which are used to connect the external power supply to the load, and to route the regulated supply voltage to the output. The device also provides a digitally controlled voltage scaling circuit to allow the voltage regulators to vary the output voltage according to the needs of the application. The A6812SEPTR offers over temperature protection, current limiting and thermal shutdown features to ensure reliable operation. In addition, the device features an integrated temperature sensor to detect when the device temperature exceeds the specified limit.

The working principle behind the A6812SEPTR power distribution switch and regulating IC is relatively straightforward. It is made up of four basic components: the power supply input, the voltage regulator, the control logic, and the output. The power supply input is used to provide steady input voltage to the device. The voltage regulator is responsible for regulating the supply voltage and providing the appropriate output voltage for the application. The control logic consists of a digital logic unit and a digital sequencer which provide the commands to control the output voltage and current. The output is the actual switch output, which is made up of either SPST or open-drain outputs.

The A6812SEPTR is typically used to regulate power to USB, RS-232 and other serial peripheral interfaces. It is designed to provide a low power, bidirectional switching function and offers a degree of protection against over temperature and current limiting. With its temperature-stable operation, adjustable voltage regulator and linear regulator, the A6812SEPTR is an ideal solution for powering small personal systems such as laptops and PDAs.

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