NCP4684EMX33TCG

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NCP4684EMX33TCG, a linear voltage regulator manufactured by ON Semiconductor, is an integrated circuit designed to provide a regulated output voltage from an unregulated input voltage. Its high-accuracy and low dropout voltage make it suitable for a variety of applications, ranging from consumer electronics to industrial and automotive devices. It can also be used for battery-backed devices, monitors, scanners, laptop computers, and embedded systems.

In terms of performance, the NCP4684EMX33TCG offers a typical input voltage range of 8V to 20V and a regulated output voltage range from 3.3V to 15V. It delivers a regulated output current of up to 5A and has a maximum power dissipation of up to 20W. The minimum dropout voltage of the device is 0.5V at 2A load, making it an excellent choice for battery-backed applications. It also features high line and load regulation accuracy, providing precision voltage regulation with a typical deviation of 0.1%.

The NCP4684EMX33TCG also features a built-in shutdown option and a thermal protection system. The shutdown mode reduces power consumption to as low as 18μA, allowing the device to operate efficiently and help extend battery life. The thermal protection system features a thermal shutdown with hysteresis that ensures safe operation of the device by preventing overheating.

The NCP4684EMX33TCG includes an active clamp feature that reduces output inductor ripple and enables low noise, high efficiency operation. The device also includes an internal feedback divider that allows the user to adjust the output voltage. The external capacitors required for the feedback divider and loop stability are included on the device, providing a simplified design and reduced board space.

When it comes to applications, the NCP4684EMX33TCG is well-suited for a variety of applications. It can be used in industrial and automotive devices, battery-backed equipment, embedded systems, monitors, scanners, and laptop computers. It can also be used in consumer electronics, such as cell phones and portable media players.

The working principle of the NCP4684EMX33TCG is based on a linear system that utilizes the energy from the input detected by the feedback divider to generate an output voltage. The voltage reference sets the output voltage, which is regulated by the linear error amplifier. The voltage reference and error amplifier work in combination with the active clamp, loop compensation network, and output stages to generate a smooth and regulated output.

To sum up, the NCP4684EMX33TCG is a linear voltage regulator designed to deliver a regulated output voltage from an unregulated input voltage. It offers a wide input voltage range, a high output current, and low dropout voltage, making it suitable for a variety of applications and devices. Its working principle is based on the linear system that uses the energy from the input and the feedback divider to generate an output voltage.

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