S-817A11APF-CUATFU

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The S-817A11APF-CUATFU is a linear voltage regulator, an adjustable, low dropout voltage regulator with positive output voltage up to 11V. It is designed for a wide range of applications such as high current digital microcontroller, battery-operated equipment, notebook computers, and PSP systems. The S-817A11APF-CUATFU provides low operating and standby currents in addition to low dropout, high precision, and fast response time.

The S-817A11APF-CUATFU operates on an input voltage range of 2.6V to 11V and output voltage range of 0.6V to 11V, adjustable by two external resistors. It features a maximum output current of 1A and a dropout voltage of only 0.2V at an output current of 1A. Other features include an excellent load and line regulation of 0.2%, a temperature range from -40°C to 125°C, and a typical dropout voltage of only 0.1V at an output current of 500mA.

The S-817A11APF-CUATFU is designed to provide high efficiency and low EMI radiation. Its power on reset (POR) feature provides built-in reset and overvoltage protection while its thermal shut down (TSD) ensures thermal protection. This voltage regulator also has a built-in fast transient response characteristic, which provides fast transient response in order to keep the output voltage stable. Moreover, the S-817A11APF-CUATFU is easy to design with due to its small size and low profile.

The S-817A11APF-CUATFU is based on a simple, but efficient, linear-regulator architecture, wherein the current flow is regulated by the feedback loop. In a linear regulator, the voltage at the output terminal is determined by the voltage at the input terminal and the voltage drop between the input and output terminals. This drop is caused by a combination of the power dissipated in the regulating transistor and in the series pass element, which is usually a metal oxide semiconductor field effect transistor (MOSFET). The S-817A11APF-CUATFU minimizes power dissipation by utilizing a low on-resistance MOSFET as its series pass element.

The S-817A11APF-CUATFU also has a few other design elements to maximize efficiency, such as a precision reference voltage, a low-noise control loop, and an input filter. The reference voltage is usually generated by a bandgap reference or a precision reference, which is a very important part of a linear regulator since it sets the output voltage. The low-noise control loop keeps the output voltage within a certain range and keeps the output voltage noise to a minimum while the input filter ensures set-point accuracy and reduces EMI. In addition, the S-817A11APF-CUATFU features a low quiescent current mode, which further reduces its power consumption.

The S-817A11APF-CUATFU is available in a 4-pin TO-220 package, making it ideal for automotive and industrial applications. It is RoHS compliant and also meets stringent ESD and EMC standards. This makes it suitable for use in a wide range of automotive applications. In addition, the S-817A11APF-CUATFU is an excellent choice for battery-operated, power-sensitive systems requiring low dropout, low noise, and fast transient response.

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