NCP4620DSQ18T1G

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NCP4620DSQ18T1G is a compact, dual-channel Linear Voltage Regulator (LDO) developed by ON Semiconductor. It was designed for use in automotive, industrial and communications systems, where reliable components are essential. NCP4620DSQ18T1G operates from a 2.7 V to 20 V input voltage range from -40°C to +125°C. This device can provide an output current of up to 150 mA. It is capable of adjustable output voltage range from 0.8 to 5 V.

NCP4620DSQ18T1G is an ideal power management solution for automotive, industrial and communications applications, where there is a need to provide a reliable, low noise, low power and efficient voltage supply. This device can reduce board space, cost and time, while increasing efficiency and reliability. NCP4620DSQ18T1G is a feature rich, low voltage linear regulator offering programmable output levels, thermal protection and an integrated short circuit protection.

The NCP4620DSQ18T1G can offer a very low quiescent current of only 2.5 µA and a low operating current of 15 µA. It features an adjustable output with a wide range of 0.8V to 5V, programmable with an external resistor, and a load regulation of 2mV with an output voltage accuracy of ±2%. With an output current capability of up to 150 mA and a low dropout voltage of only 70 mV, the reliability, accuracy and efficiency of the NCP4620DSQ18T1G are unmatched.

The NCP4620DSQ18T1G device contains both low noise and low standby current linear regulator options, which makes it a very suitable choice for applications that require low noise power and extended battery life. The low stand-by current of only 2.5µA helps conserve battery energy, while the internal thermal protection circuit safely shuts down the device in case of an over-temperature situation. It also features an internal short-circuit protection which limits output current and helps prevent damage to the device.

The working principle of the NCP4620DSQ18T1G is based on a voltage reference connected to an error amplifier, and a low voltage N-MOSFET. The error amplifier compares the voltage present on the output of the NCP4620 device to a reference voltage. When there is a discrepancy between the two, the error amplifier adjusts the gate voltage of the N-MOSFET in order to provide the correct output voltage. This voltage then passes through the current limiting resistor and is delivered to the output.

Due to its low dropout voltage, wide input voltage range, low quiescent current, integrated short-circuit protection, and high power efficiency, the NCP4620DSQ18T1G is an ideal solution for automotive, industrial, and communications systems applications requiring a compact and reliable voltage regulator. Its features make the NCP4620DSQ18T1G a superior choice for applications where reliability and accuracy are essential.

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