LT1521CS8-3#PBF

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LT1521CS8-3#PBF is a family of linear voltage regulator ICs manufactured by Linear Technology (LT). It is a type of Power Management IC (PMIC) designed for low noise, low power and high accuracy of regulation. The LT1521CS8-3#PBF offers automatic back-on and fast transient response features. It includes a wide range of operating temperature ranges, adjustable output voltages and low output current capabilities.

The LT1521CS8-3#PBF is a three-terminal linear regulator that provides a regulated fixed output voltage of 3.3V. This voltage could be adjusted within the range of 2.5V to 5V. It can operate between -40 °C to 125 °C in extreme temperatures, as well as in any environment, including in space. It is designed to offer low noise and fast transient response, with very low standby current.

The working principle of LT1521CS8-3#PBF is similar to other linear regulators, but with some additional features. A linear regulator utilizes a voltage reference, an error amplifier, current sensing, and an output transistor for regulation. An on-chip, low-noise, bandgap-referenced reference regulates the output voltage.

The reference is compared with a feedback voltage from the output, which is completed by an error amplifier. When the feedback voltage falls below the reference voltage, the error amplifier turns ON the output transistor, while turning it off if the feedback voltage is higher than the reference voltage. This loop forms the basic regulation, but with added features to filter middle frequency noise, fast load transient handling and other features not discussed here.

LT1521CS8-3#PBF is suitable for a wide range of applications. It is perfect for handheld electronic products, battery-powered systems, and other low-voltage and low-current applications which demand the highest levels of accuracy and noise free performance. The LT1521CS8-3#PBF is also suitable for use in medical system applications, industrial and Avionics equipment.

In summary, the LT1521CS8-3#PBF is a family of three terminal linear voltage regulators that offer low noise, low power and high accuracy of regulation. Its main features include wide operating temperature range, adjustable output voltage and fast transient response. It is suitable for use in a variety of low-voltage and low-current applications, such as handheld electronic products, medical systems and industrial and Avionics equipment.

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