NCP4625DSN12T1G

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PMIC (Power Management Integrated Circuit) or Voltage regulator are integrated circuit devices designed to provide a regulated output voltage from an input voltage source, replacing the traditional discrete circuit of resistors, capacitors, and transistors. Linear voltage regulators are the most common type of PMIC, and are used to provide a stable output voltage over a range of loads. The NCP4625DSN12T1G is a specialised linear voltage regulator, designed specifically to offer ultra-low noise performance.

The NCP4625DSN12T1G is a fast, low-noise, low-dropout, ultra-low quiescent current linear voltage regulator optimised for very low noise applications. It is available in an 8-pin TDFN package, and offers adjustable output voltage from 1.4V to 5.5V. This makes it ideal for powering microcontrollers, RF transceivers, and audio applications where low output noise is critical. It can provide up to 150mA of continuous output current, and can also go into a programmable ‘active shutdown’ mode, providing minimal standby current draw of only 2µA. As well as the low noise benefits, it also offers fast transient response, allowing for smooth step changes in the output voltage without the need for additional ‘glitchless’ circuitry.

The NCP4625DSN12T1G is a voltage-mode linear regulator, meaning that it functions by comparing the output voltage to an internal voltage reference before adjusting the output voltage as required. It is capable of doing this very fast due to its low internal impedance, allowing it to accurately maintain the output at the desired level. A built-in current-limit circuit prevents the output voltage from dropping below the minimum specified value, even during short-term overloads.

The NCP4625DSN12T1G can be used in any system that requires ultra low-noise voltage regulation. It is ideal for powering sensitive components, particularly for audio applications where low noise and high accuracy is a must. It can also be used in many other applications, from automating and industrial equipment, to medical and communications systems.

The NCP4625DSN12T1G is an excellent choice for applications requiring low-noise voltage regulation, offering a wide range of features and benefits, including adjustable output voltage, low quiescent current, drift compensation, current-limit protection, and fast transient response. With its fast response time and low noise performance, it is suitable for a wide range of applications.

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