EL5825IR

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The EL5825IR is an integrated voltage regulator from NXP Semiconductors. This device is referred to as a “PMIC with special purpose for voltage regulation”. It is designed to provide a stable, high voltage output for a wide variety of applications. It has built-in protection against overvoltage, overcurrent, undervoltage and thermal shutdown conditions. The device operates in a linear regulation mode to provide a precise voltage regulation over a wide output range. The EL5825IR is ideal for high current applications where a precise, extremely stable output is required.

The EL5825IR is designed to provide a precise output voltage that is regulated over a wide input voltage range. The output voltage is set by an internal voltage reference and is adjustable using an external resistor divider. The device also provides current limiting and overcurrent protection using an internal sense resistor. The protection circuit prevents excessive output current in the event of excessive input voltage or load current. Additionally, the device includes a built-in thermal shutdown that shuts the device down if the junction temperature exceeds the maximum specified value. In addition, the device has a frequency compensation pin to allow for adjusting the current limit and output voltage in accordance with the application.

The EL5825IR is widely used in automotive and industrial applications where a precise voltage output is critical. Typical applications include power supplies, DC to DC converters, voltage regulators, motor and load controllers, as well as LED lighting. The device is capable of providing output current up to 3.5 A, with a voltage range of 4.5 V to 14 V. The device is available in a small SOT-23 package measuring just 2.9 mm x 2 mm. The integrated thermal protection, current limiting and overcurrent protection make the EL5825IR a suitable choice in high current applications.

In operation, the EL5825IR is designed to provide a stable output voltage and current using linear regulation. The device starts in a high impedance state, allowing the output voltage to reach the equilibrium voltage set by the voltage divider and voltage reference. The output voltage is then regulated by the device to provide a near constant output, even when the output current varies. The device is able to sense the load current and adjust the output voltage accordingly, ensuring that the output voltage remains within the specified range.

As the load current increases, the output voltage will begin to drop. At this point the device will enter into a current-limited state, where the device will limit the output current to the maximum specified value. If the device enters into the overcurrent protection state, the output current will be shut down and the device will enter into a thermal protection state. The device will then shut down until the temperature has been reduced to a safe level, at which point normal operation will resume.

The EL5825IR is an ideal choice for applications requiring a precise and stable output voltage. The device is designed for high-current applications and is available in a small SOT-23 package. The integrated protection features provide for a safe and reliable operation. The device is suitable for automotive, industrial and lighting applications, where a precise, high current output is essential.

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