NCV8508DW50R2G

NCV8508DW50R2G Application Field and Working Principle

The NCV8508DW50R2G voltage regulator is a linear power management integrated circuit (PMIC) designed to provide an adjustable high-current DC power source from a 3 V to 28 V DC input. This voltage regulator has two main operating modes, high-side operation and low-side operation. It offers high load current and very low output voltage ripples and noise at operating temperature range of -40°C to 85°C.

Features of NCV8508DW50R2G

• Wide input voltage range of 3 V to 28 V
• Adjustable output voltage range of 3 V to 24 V
• High load current of up to 8 A per channel
• High power efficiency (90% typical)
• Soft start, thermal shutdown and over-temperature protection
• Very low output voltage ripples and noise
• Operating temperature range of -40°C to 85°C

Applications

The NCV8508DW50R2G is suitable for applications such as industrial automation, automotive, telecom, medical and other applications requiring high current/voltage precision with low noise. It is particularly suitable for power supplies where high power density and high efficiency are required. The low output ripple and noise along with its over temperature protection make it ideal for powering devices such as dedicated digital memory, microcontrollers, and FPGAs.

Working Principle

The NCV8508DW50R2G operates in either high-side or low-side mode, depending on the application needs. In high-side mode, the device is configured such that the output voltage is determined by the input voltage and a selectable external resistor divider network. In low-side mode, the output voltage is determined by the input voltage together with an adjustable voltage reference and a selectable external resistor divider network. The device is further equipped with a soft start and thermal shutdown, as well as over-temperature protection, to protect from overload and short circuit.

To provide the adjustable output voltage range and load current capability necessary for a wide array of applications, the NCV8508DW50R2G comes with voltage range and load current options. The device’s operating temperature range of -40°C to 85°C ensures that the device can accommodate variable temperatures and still perform reliably.

Conclusion

The NCV8508DW50R2G voltage regulator from ON Semiconductor is an adjustable linear PMIC designed to provide a reliable high-current DC power source. With its wide input voltage range, adjustable output voltage range, high load current capability, and over-temperature protection, NCV8508DW50R2G is well-suited for a variety of applications where high power density and high efficiency are required.