LM2575HVSX-ADJ Series

series introduction

# Introduction to the LM2575HVSX - ADJ Product Series

## 1. Overview
The LM2575HVSX - ADJ belongs to a highly versatile and reliable family of switching voltage regulators. These regulators are designed to efficiently convert a higher input voltage to a lower, adjustable output voltage, making them an essential component in a wide range of electronic applications. The "HVS" in the part number indicates its high - voltage suitability, and the "ADJ" signifies that the output voltage can be adjusted according to the specific requirements of the user.

## 2. Key Features

### 2.1 High - Voltage Input Capability
One of the standout features of the LM2575HVSX - ADJ is its ability to handle high input voltages. It can accept input voltages ranging from a relatively high value, typically up to 60V. This makes it suitable for applications where the power source provides a high - voltage supply, such as in automotive electrical systems (which can have voltages up to 48V in some modern vehicles) or industrial power supplies.

### 2.2 Adjustable Output Voltage
The adjustable output feature is a significant advantage. Users can set the output voltage within a specified range using an external resistor divider network. This flexibility allows the LM2575HVSX - ADJ to be used in various applications with different voltage requirements. For example, it can be configured to provide a 3.3V output for powering microcontrollers or a 5V output for general - purpose digital circuits.

### 2.3 High Efficiency
These regulators are designed with high - efficiency switching technology. By using a switching regulator topology, the LM2575HVSX - ADJ can convert power with minimal power loss. This results in less heat generation and improved overall system efficiency. In battery - powered applications, high efficiency is crucial as it helps to extend the battery life by reducing the amount of power wasted as heat.

### 2.4 Built - in Protection Features
The LM2575HVSX - ADJ comes equipped with several built - in protection mechanisms. Over - current protection safeguards the regulator and the connected load from excessive current flow, which could otherwise damage the components. Thermal shutdown protection is also included, which automatically shuts down the regulator if the temperature exceeds a safe operating limit. This helps to prevent overheating and ensures the long - term reliability of the device.

### 2.5 Low Ripple Output
The output voltage of the LM2575HVSX - ADJ has low ripple, which is essential for sensitive electronic circuits. Low ripple means that the output voltage remains relatively stable, with minimal fluctuations. This is particularly important for applications such as audio amplifiers or precision analog circuits, where even small voltage variations can cause audible noise or inaccurate signal processing.

## 3. Applications

### 3.1 Automotive Electronics
In automotive applications, the LM2575HVSX - ADJ can be used to power various electronic components. It can step down the high - voltage battery supply to a suitable voltage for powering in - car entertainment systems, dashboard displays, and engine control units. Its high - voltage input capability and protection features make it well - suited for the harsh electrical environment of automotive systems, which can experience voltage spikes and transients.

### 3.2 Industrial Automation
Industrial automation systems often require multiple voltage levels to power different components such as sensors, actuators, and control circuits. The LM2575HVSX - ADJ can be used to generate the required low - voltage supplies from a high - voltage industrial power source. Its adjustable output voltage feature allows for easy customization to meet the specific voltage requirements of different industrial devices.

### 3.3 Power Supplies for Consumer Electronics
In consumer electronics, the LM

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Datasheets

Partlist

LM2575HVSX-ADJ

LM2575HVSX-ADJ/NOPB