S-13R1E39-N4T1U3

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The S-13R1E39-N4T1U3 is a linear voltage regulator from Texas Instruments. This part is part of the TI portfolio of PMIC (Power Management IC) voltage regulators. S-13R1E39-N4T1U3 is specifically designed to deliver up to 1.5A of output current with an overall good efficiency, stability, and transient response performance. The regulator has an adjustable output voltage range of 0.6 V to 20V. It is a fixed output voltage regulator with excellent line/load regulation and good output ripple/noise. The device package is a surface mount chip with 10 pins and operates over a wide temperature range of -40 to 125 DegC.

The S-13R1E39-N4T1U3 combines fast transient response and excellent line settings regulation performance in a single regulator. It features low dropout voltage across input-output voltage, low quiescent current, and wide input voltage range. Overall, the part is designed for a variety of automotive applications as it is ESD and HBM/latch-up protected. It is suitable for mobile phone, portable media players, industrial, medical systems, automotive, telematics and communications systems.

The S-13R1E39-N4T1U3 device is a linear voltage regulator. Linear voltage regulators are devices that are used to regulate, or convert, a given input voltage to a stable, and precise output voltage. The regulator works by controlling the amount of current taken from the input voltage and varies the output voltage to maintain a predetermined voltage across the load. A linear voltage regulator has a series of components that form a feedback loop to maintain the output voltage at a stable, consistent level.

The feedback loop of the S-13R1E39-N4T1U3 comprises of an error amplifier and a continuously variable resistance. The error amplifier measures the output voltage and compares it with the reference voltage. The reference voltage is an internal voltage of the device, which is preset and not adjustable. When the voltage at output differs from the reference voltage, the error amplifier signals the continuously variable resistance proportionately to regulate the output voltage.

The S-13R1E39-N4T1U3 also has a current limit feature which prevents it from excessive overload. An overload causes the output current of the regulator to increase excessively, setting off the current limit circuit which shuts off the output voltage until the output current reaches a predefined limit. When the overload is removed, the output voltage resumes to the reference voltage.

The S-13R1E39-N4T1U3 has a unique feature which makes it suitable for sensitive applications. The Enable/Disable input offers an alternative to the regulation circuit and helps to prevent the output voltage from going too low or too high. When enabled, the Enable/Disable input can effectively override the error amplifier and keep the output voltage within a desired range.

To further enhance its performance, the S-13R1E39-N4T1U3 has a power supply rejection feature. This feature actively works to reduce any noise which might affect the output voltage due to sudden changes in the input voltage. It also deals with electromagnetic interference which may occur at higher frequencies.

The S-13R1E39-N4T1U3 is a robust power management solution. Its control circuitry and wide input voltage range make it ideal for a variety of automotive applications. The combination of fast transient response, excellent line/load regulation, low dropout voltage, and power supply rejection make it suitable in applications like mobile phones, portable media players, industrial systems, and medical systems.

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