NCP139AFCT100T2G

PMIC - Voltage Regulators - Linear

NCP139AFCT100T2G is a voltage regulator module of linear type that is manufactured by ON Semiconductor. It is a 2-pin, monolithic, integrated dual power supply linear regulator designed to provide adjustable output voltage, low dropout voltage and high output current with high precision and low noise features.

The device is capable of regulating the output of both positive and negative rails and can achieve an output voltage range of 1.2V to 8V. Additionally, it has the capability to provide an adjustable output voltage in the range of 0.992V to 7.6V through an external trimming circuit. It offers a unity gain at the full load shut-down and is equipped with over voltage protection and soft start/stop functions.

The NCP139AFCT100T2G is a very versatile linear voltage regulator that is suitable for a wide range of applications. It can be used for design of power supplies for automotive systems, handheld electronic devices and healthcare equipment, switching converters, battery chargers, and other power management systems.

Working Principle

The device is equipped with two fully programmable linear regulators and an input bypass switch. The control circuit of the regulator consists of an op amp that controls the output current. The device is able to detect any changes in output voltage and adjusts the output current accordingly. It also features an optional voltage setting pin which helps the user to adjust the output voltage manually.

The device operates in the linear mode and its output current is determined by the operating set-point voltage. When the set-point voltage reaches a certain level, the regulator switch is opened and the device enters a cycle of alternating idle and full load currents. The maximum output current is limited by an internal switch that turns off when the current sensing circuit detects an overload.

The NCP139AFCT100T2G is a low dropout regulator that offers high precision and low noise performance. It is a reliable solution for current limitation applications requiring high power efficiency, low power consumption, and high precision.

Conclusion

NCP139AFCT100T2G is a versatile linear voltage regulator that is suitable for a wide range of applications. It features an adjustable output voltage in the range of 0.992V to 7.6V, over voltage protection and soft start/stop functions. In addition, it offers high precision and low noise performance. It provides a reliable solution for current limitation applications requiring high power efficiency and low power consumption.