NCP4623HMXADJTCG

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The NC 4623 HMXADJTCG is a three-terminal linear voltage regulator integrated circuit. It is classified as a Power Management Integrated Circuit (PMIC) – Voltage Regulators – Linear. The output voltage is adjustable in the range of 1.5V - 17V, with a maximum output current of 1.5A. As such, the NC 4623HMXADJTCG is suitable for applications such as router power supply, desktop computer power supply, and battery charging power supply as well as post-regulation of switching power supplies.

The working principle of the NC 4623HMXADJTCG is based on the regulator concept familiar in linear power supply design. The circuit works by maintaining a constant output voltage relative to the ground, while providing an output current that is proportional to the load current. The output voltage is adjusted by applying an external voltage to the regulator sense pin which is the middle of the three terminals. The regulation is controlled by the voltage on the voltage adjust pin, which acts as the reference voltage for the regulator.

The NC 4623HMXADJTCG is provided in a variety of packages such as the TO-220, TO-252 and SOIC-8. The thermal characteristics of the device are: Thermal Resistance from Junction to ambient RJA = 60°C/W, Thermal Resistance from Junction to Case RJC = 4°C/W. Over temperature protection is provided in the device that shuts down the device if the junction temperature exceeds 150°C. The typical start-up time for the device is about 100uS, and it includes an internal current limit to protect against overloads.

The device is designed to be used in applications running up to 100kHz, and it has an input voltage range of 5V - 20V, with a maximum internal power dissipation of 1.5W. The device also features current limiter shutdown, reverse battery protection, and current foldback. The NC 4623HMXADJTCG is designed with a thermal shutdown feature, which turns off the device if the internal temperature exceeds 175°C, to protect against device damage due to overheating.

The device also comes with an over-voltage protection function which prevents excessive voltage from being applied to the output voltage pin. This feature helps protect the load from being damaged due to high voltage. The NC 4623HMXADJTCG is also protected from catastrophic over-temperature events, which can occur due to over-current conditions.

In summary, the NC 4623HMXADJTCG is a three-terminal linear voltage regulator integrated circuit classified under PMIC – Voltage Regulators – Linear category. It offers an output voltage adjustable in the range of 1.5V - 17V, and can supply maximum output current of 1.5A. The device features current limiter shutdown, reverse battery protection, current foldback and thermal shutdown. This device is designed with a variety of features and protections, making it suitable for various applications such as routers, desktop computers, and battery chargers.

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