NCP552SQ25T1

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The NCP552SQ25T1 is a two-channel non-isolated linear voltage regulator designed to precisely regulate an output voltage of up to 25V. It is suitable for a wide variety of applications, such as real-time clocks, cellular base stations, MicroTCA.0 systems, and industrial control and communication systems. The NCP552SQ25T1 is specifically designed to provide the highest accuracy and the best line and load regulation for the most demanding linear voltage regulator applications.

NCP552SQ25T1 features two 150mA linear regulators with a reference voltage accuracy of 1%, and total output accuracy of 2%. The output accuracy is enhanced by the device\'s external programmability feature, allowing the user to adjust the output voltage from 1.8V to 25V via external resistors. The device also features a power-down mode, which allows for power savings of up to 90mW.

The NCP552SQ25T1 provides excellent temperature performance with a total output accuracy of 2% over the entire -40°C to +125°C temperature range. The device also has a high power output capability, with a maximum output current of 150mA per channel. Finally, the device has an integrated power-on reset circuit that ensures that the output voltage remains in regulation during power-up.

In terms of design-in flexibility, the NCP552SQ25T1 also offers a range of enable options. The device supports enable pins with logic-level control, as well as a range of open-drain enable options, allowing it to be integrated seamlessly into a range of applications. The NCP552SQ25T1 also supports an external watchdog timer, allowing the user to monitor the device for unexpected fault conditions.

The NCP552SQ25T1 is available in an MSOP package with a lead-free, RoHS compliant option. The device has an ESD rating of 2kV and is also AEC-Q100 qualified as well as UL certified. In addition, the device has integrated over-current and over-temperature protection, as well as short-circuit protection.

The NCP552SQ25T1 is ideal for a wide variety of applications, such as automotives, industrial, consumer, telecommunications, and computer equipment. Its flexibility in terms of enable options, power-down mode, external watchdog timer, and wide temperature range make it suitable for a wide range of applications. The device also offers a high level of system integration, with no external components required for operation.

The working principle of the NCP552SQ25T1 is relatively simple. The device contains two internal voltage reference source, one of which is adjustable. The adjustable reference is used to set the output voltage, and is adjusted by means of external resistors. The device also contains two error amplifiers, one for each channel, which are used to compare the reference voltage to the output voltage, and regulate the output voltage accordingly. The output voltage is then regulated by driving the pass transistor, which produces a current in proportion to the output voltage, thus maintaining a constant output voltage.

To sum up, the NCP552SQ25T1 is a two-channel linear voltage regulator designed to precisely regulate an output voltage up to 25V with a total accuracy of 2%. It features an external programmability feature, adjustable enable options, as well as a power-down mode, which allows for power savings of up to 90mW. The device also has an integrated power-on reset circuit and a wide operating temperature range. Finally, the working principle of the device is relatively simple, using internal voltage references and error amplifiers to regulate the output voltage.

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