SPX1583T5-L/TR

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The SPX1583T5-L/TR is an adjustable low-dropout voltage regulator (LDO) device delivering up to 800mA of output current. Employing advanced CMOS process, the SPX1583T5-L/TR offers extremely low dropout voltage and low quiescent supply current operation. It is highly efficient and features minimum total harmonic distortion (THD). The device also provides a 0.055V minimum dropout voltage and 180mV typical maximum dropout voltage at 1A output current. Plus, it comes with a minimum input voltage of 2.7V and an output voltage range of 0.6V to 5.5V. The SPX1583T5-L/TR also features impressive transient response and very low output noise. Additionally, it incorporates an internal thermal-shutdown function for protecting itself from overtemperature conditions.

The SPX1583T5-L/TR is a linear voltage regulator and belongs to the family of PMIC (power management integrated circuits). A linear regulator works by maintaining a constant output voltage regardless of the load current drawn and by dissipating any excess voltage in the form of heat, making them highly efficient. In other words, the device’s job is to “regulate” the voltage, meaning it keeps it at a constant level regardless of line variations or load changes. In the case of the SPX1583T5-L/TR, the voltage regulation is done through the control of a transistor within the device, using the transistor itself and some associated components such as resistors, capacitors, and diodes in order to achieve the desired effect.

The device features characteristics of a high performance LDO, making it ideal for applications such as computing and related peripherals, power distribution and conversion, industrial, and telecommunications systems. Its primary purpose is regulating the voltage in a power supply system, such as a computer, in order to ensure output voltages are maintained within specified levels. It is also widely used in computer systems, telecommunications equipment and other applications where heavy load transients and power supply noise must be controlled.

The SPX1583T5-L/TR features internal current limiting, making it particularly suitable for applications that are subjected to the risk of overload or short circuit conditions. It is designed to provide high current levels that can support microprocessors or FPGAs, thus ensuring that the target device operates properly within its specification. Furthermore, the device offers high power supply rejection ratio (PSRR), ensuring that output voltage variation is kept low and noise from the power supply is greatly reduced. These features make the device particularly suitable for mobile and battery operated devices that are powered by sub-optimal, low quality power supplies.

The SPX1583T5-L/TR offers numerous advantages over other linear voltage regulator devices, such as low current consumption, low dropout voltage, low output noise and excellent transient response. Additionally, it provides an excellent starting point for the design of power supply systems as it is able to respond quickly to varying input conditions. Furthermore, it ensures high output accuracy and stable operations over a wide input voltage range. This makes the device ideal for applications requiring tight regulation, higher efficiency and cost-effectiveness over a wide range of conditions.

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