S-817B59AY-B-G

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Linear Voltage Regulators are widely used in different applications such as power supplies, sensors, and other analog circuits. They are devices which take the input voltage and convert it into a stabilized, predictable output voltage. The S-817B59AY-B-G is a low quiescent current, low dropout linear voltage regulator developed for a wide range of applications.

The S-817B59AY-B-G is a three-terminal low dropout linear regulator featuring 250 mV dropout voltage and 0.7V reference voltage accuracy over a temperature range of -40 to 85 °C. It is designed for operation with a minimum input voltage differential of 0.7 V above the output voltage and can deliver up to 150mA of output current, making it a suitable choice for low voltage and low power applications, such as cell phones, digital cameras, and portable audio equipment.

The S-817B59AY-B-G operates with input supply voltage range of 2.5V and 6.0V, and is able to regulate and maintain the output voltage in ±1% accuracy. It is employed as a fixed output voltage regulator and also supports several functions such as input line regulation, output regulation, ripple rejection and line and load regulation. The device consists of an error amplifier, an MOSFET, and current limiting circuitry, which are externally connected. The circuit utilizes a resistor divider network to determine the reference voltage, and is easily adjustable to any value from 0.7V to the maximum input voltage.

The S-817B59AY-B-G features some advanced features such as low quiescent current and improved power dissipation that make it suitable for power sensitive applications. Moreover, it has advanced thermal protection circuitry, which helps protect the system from possible damage due to overheating. Additionally, the device supports programmable current limit, which provides an adjustable current limit that can be programmed down to under 10mA. This feature helps protect the system from the inrush currents and excessive load current that can cause damage to the system.

Overall, the S-817B59AY-B-G is a three-terminal low dropout linear voltage regulator featuring 250 mV dropout voltage and 0.7V reference voltage accuracy over a temperature range of -40 to 85 °C. It is suitable for low voltage and low power applications and provides a wide range of features, making it an ideal choice for power sensitive applications.

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