NCP431AIDR2G

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NCP431AIDR2G is a voltage reference PMIC from Texas Instruments, designed to deliver a constant voltage and current in DC-to-DC converters. With an output voltage that can be adjusted up to +12 V, a low noise floor and a fast settling time, the NCP431AIDR2G makes it easier for designers to create a power supply design with the desired characteristics.

The NCP431AIDR2G supports both single and dual-rail output operation and can be used in a wide range of applications in consumer electronics, automotive, industrial, telecom/networking, and medical industries. It enables smaller, more power-efficient and robust power systems by increasing system performance and reliability.

The NCP431AIDR2G operates in two modes – in-rush current limit and load regulation mode. In the in-rush current limit mode, the device limits the output current increase to prevent the output capacitor from being overloaded or the system from shutting down. In the load regulation mode, the device monitors the voltage across the output capacitor and regulates it to maintain the intended output voltage.

The NCP431AIDR2G features an On/Off pin to enable/disable the device and helps manage the output voltage by supplying an active feedback path from the output voltage to an external pin. It also features an external resistor divider network, which enables simple and accurate output voltage adjustment. The ERROR pin can be used to detect the over-current, over-temperature, and over-voltage conditions in the system.

The NCP431AIDR2G is designed to operate over the temperature range of -40°C to +105°C, allowing it to be used in many applications in harsh environments. Additionally, the device supports up to 9 A load current with up to 18 W of power dissipation, enabling it to operate in high power applications as well.

The NCP431AIDR2G is also a cost-effective solution as it features integration of features such as under-voltage lockout, programmable current limit, and soft-start into a single IC. Additionally, it features low quiescent current for improved system efficiency.

The NCP431AIDR2G is an ideal voltage reference PMIC, enabling efficient and stable power delivery in various applications. With its programmable features and wide operating temperature range, the device provides efficient, reliable and affordable power supply design for power systems.

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