NJU7222U30-TE1

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NJU7222U30-TE1 is a device belonging to the NJU7200 series of linear voltage regulators, produced by New Japan Radio (NJR). It is part of the Power Management ICs (PMICs) product family. The NJU7200 series of low dropout (LDO) linear voltage regulators are designed to operate in a wide range input voltage range and provide a number of advantages compared to other voltage regulation devices. These advantages include low power consumption, small package size, low output voltage noise, and a low dropout voltage.

The NJU7222U30-TE1 is designed to operate in an input voltage range of between 3V and 36V and provide an output voltage from 0.5V to 28V. The device can provide a maximum output current of up to 1A, with a low dropout voltage of 200mV. The device also features PSIQ (PMOS Input/PMOS Output) function which allows it to operate in a wide range of conditions, making it suitable for a variety of applications. The package size of the NJU7222U30-TE1 is SOT-23-5, with a power dissipation of 15mA up to 30mA. The device also has an operating temperature range of -40℃ to +85℃.

The working principle of the NJU7222U30-TE1 is relatively simple. The device uses a feedback control circuit to keep the output voltage constant. When the output voltage is lower than the set value, the PMOS transistor of the error amplifier is turned on and the Pass transistor is turned off. This results in the input voltage being applied to the output node, thus increasing the output voltage. When the output voltage is higher than the set value, the PMOS transistor of the error amplifier is turned off, while the Pass transistor is turned on. This allows the current to be diverted away from the output node, thus decreasing the output voltage. This process continues in a cycle, constantly adjusting the output voltage to maintain the output at the set value.

NJU7222U30-TE1 is suitable for a variety of applications that require a stable output voltage in the range of 0.5V to 28V. These applications include power amplifiers, mobile phones, portable audio equipment, mobile battery powered equipment, and automotive electronics. The device can also be used as a replacement for other linear voltage regulator devices, due to its low dropout voltage, low power consumption, and small package size.

In conclusion, NJU7222U30-TE1 is a linear voltage regulator from the NJU7200 series of devices from New Japan Radio. It is designed to operate in an input voltage range of 3V to 36V and provides an output voltage from 0.5V to 28V. The device can provide a maximum output current of up to 1A and has a low dropout voltage of 200mV. The device is suitable for a variety of applications that require a stable voltage in the range of 0.5V to 28V, including power amplifiers, mobile phones, portable audio equipment, mobile battery powered equipment, and automotive electronics.

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