LM2575D2T-5R4G
Compact 5V 1A step-down switching voltage regulators in D2PAK package
Manufacturer： onsemi
series introduction
# Introduction to the LM2575D2T - 5R4G Product Series
## 1. Overview
The LM2575D2T - 5R4G is a member of a highly reliable and efficient switching voltage regulator product series. These regulators are designed to convert a higher input voltage to a lower, regulated output voltage, making them essential components in a wide range of electronic circuits and systems. They play a crucial role in power management, ensuring that electronic devices receive a stable and appropriate power supply for optimal performance.
## 2. Key Features
### 2.1 High Efficiency
One of the standout features of the LM2575D2T - 5R4G is its high - efficiency operation. It uses a switching regulator topology, which significantly reduces power dissipation compared to linear regulators. This high efficiency not only helps in minimizing heat generation but also extends the battery life in portable applications. For example, in battery - powered devices such as handheld sensors or small IoT devices, the reduced power consumption can lead to longer intervals between battery replacements or recharges.
### 2.2 Wide Input Voltage Range
The product can handle a wide range of input voltages. This flexibility allows it to be used in various power supply scenarios. Whether the input power source is a 12V battery, a 24V industrial power supply, or a voltage from a solar panel with variable output, the LM2575D2T - 5R4G can adapt and provide a stable output voltage. This wide input voltage range makes it suitable for both consumer and industrial applications.
### 2.3 Fixed Output Voltage
The LM2575D2T - 5R4G is configured to provide a fixed output voltage of 5.4V. This fixed output is ideal for applications that require a specific and stable voltage level, such as powering microcontrollers, sensors, and other integrated circuits that are designed to operate at 5.4V. The regulated output voltage remains relatively constant even when the input voltage or load current changes within a specified range, ensuring the reliable operation of connected devices.
### 2.4 Built - in Protection Features
To enhance the reliability and durability of the product, the LM2575D2T - 5R4G is equipped with several built - in protection features. Over - current protection safeguards the regulator and the connected load from excessive current flow, which could otherwise damage the components. Thermal shutdown protection automatically turns off the regulator when the temperature exceeds a safe operating limit, preventing overheating and potential damage. Under - voltage lockout ensures that the regulator does not operate when the input voltage is too low, protecting the device from unstable or improper operation.
### 2.5 Low Standby Current
In standby mode, the LM2575D2T - 5R4G consumes a very low current. This is particularly important in applications where the device may be in a standby state for extended periods, such as in some battery - powered remote monitoring systems. The low standby current helps to conserve power and extend the overall battery life of the system.
## 3. Applications
### 3.1 Consumer Electronics
In consumer electronics, the LM2575D2T - 5R4G can be used in a variety of devices. For example, in portable media players, it can convert the battery voltage to the 5.4V required by the internal components such as the microprocessor, display driver, and audio codec. In smart home devices like smart plugs or wireless sensors, it provides a stable power supply to ensure reliable communication and operation.
### 3.2 Industrial Automation
Industrial automation systems often require stable and efficient power supplies. The LM2575D2T - 5R4G can be used in programmable logic controllers
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