LM2575HVN-12/NOPB

Introduction

LM2575HVN-12/NOPB is a voltage regulator in the PMIC - Voltage Regulators - DC DC Switching Regulators category. It is designed to provide efficient, cost-effective regulation of both AC and DC power supplies. It features a wide input voltage range, adjustable output voltage, and low output ripple, making it suitable for a variety of applications.

Application Field

The LM2575HVN-12/NOPB can be used in a variety of applications, such as:

• Computer power supplies
• Automotive power supplies
• Telecom power systems
• Consumer electronics

It is also suitable for applications where low output ripple is important, such as audio and video power supplies.

Features

The LM2575HVN-12/NOPB features include:

• Wide input voltage range: 3.5V to 75V
• High efficiency switching regulator design
• Internal overload protection
• Short-circuit protection
• Adjustable output voltage
• Low output ripple

Working Principle

The LM2575HVN-12/NOPB is a synchronous switching regulator based on the topology of a buck converter. A buck converter is an electronic device that converts an input voltage to a lower output voltage. This is accomplished by switching the input voltage with a high frequency.

The regulator consists of an internal power switch, an internal oscillator, and an error amplifier. The power switch is responsible for switching the input voltage at a frequency determined by the oscillator. The error amplifier monitors the output voltage and adjusts the duty cycle of the power switch in order to maintain the output voltage within a set range.

Advantages

The LM2575HVN-12/NOPB has several advantages over other switching regulators:

• High efficiency: The regulator can convert up to 97% of the input power into output power, making it energy efficient.
• Low output ripple: The switching frequency is high enough that the output ripple is negligible, making it suitable for precision applications.
• Wide input voltage range: The regulator can handle input voltages from 3.5V to 75V, making it suitable for many different applications.
• Low cost: The regulator is relatively inexpensive compared to other switching regulators.

Conclusion

The LM2575HVN-12/NOPB is a voltage regulator in the PMIC - Voltage Regulators - DC DC Switching Regulators category. It provides an efficient, cost-effective way to convert an input voltage to a lower output voltage. It features a wide input voltage range, adjustable output voltage, and low output ripple, making it suitable for a variety of applications, such as computer power supplies, automotive power supplies, telecom power systems, and consumer electronics.