CS5171EDR8

Introduction to CS5171EDR8

The CS5171EDR8 is a high performance DC-DC switching regulator from ON Semiconductor that is ideal for applications such as instrumentation, industrial, and automotive. This device is a 90V synchronous buck regulator that offers high efficiency up to 96.2% at 3.3V/2.5A and true differential remote sensing. It also features a wider output voltage range down to 0.63V and integrated soft-start. The device also features a wide range of protection functions including cycle-by-cycle current limit, hiccup mode over-current protection, over-voltage protection, over-temperature protection and short circuit protection.

Application Field

The CS5171EDR8 is suitable for a variety of applications and offers a wide range of features to enable designers to customize their designs for their specific needs. Some of the key application areas for the CS5171EDR8 include:

• Instrumentation
• Industrial
• Automotive

Operating Principle

The CS5171EDR8 is a synchronous buck regulator operating in a continuous conduction mode. The device operates by switching an internal MOSFET between ground and the input voltage. This effectively creates a voltage-controlled current source at the input of the device, which is then regulated by adjusting the duty cycle of the internal MOSFET. The duty cycle is determined by the error amplifier and the feedback circuitry, to ensure that the regulated voltage at the output of the device is held constant.

Conclusion

The CS5171EDR8 is a high performance DC-DC switching regulator from ON Semiconductor that provides high efficiency, true differential remote sensing, and a wide range of protection functions. This device can be used in a variety of applications including instrumentation, industrial, and automotive.