LM2576D2T-ADJR4G
Adjustable 3A buck switching voltage regulators for DC-DC conversion
Manufacturer： ['rochester', 'onsemi']
series introduction
# Introduction to the LM2576D2T - ADJR4G Product Series
## 1. Overview
The LM2576D2T - ADJR4G is a highly versatile and reliable product series within the realm of power management integrated circuits. It belongs to the family of switching voltage regulators, which are essential components in a wide range of electronic devices. These regulators are designed to efficiently convert an input voltage to a regulated output voltage, providing a stable power supply for various applications.
## 2. Key Features
### 2.1 High Efficiency
One of the standout features of the LM2576D2T - ADJR4G is its high - efficiency operation. Switching regulators, in general, are known for their ability to convert power with less energy loss compared to linear regulators. The LM2576D2T - ADJR4G can achieve high efficiency levels, which is crucial for applications where power consumption needs to be minimized. This not only helps in reducing energy costs but also extends the battery life in portable devices.
### 2.2 Adjustable Output Voltage
The "ADJR" in the part number indicates that the output voltage of the LM2576D2T - ADJR4G is adjustable. This flexibility allows designers to set the output voltage according to the specific requirements of their application. By using external resistors, the output voltage can be fine - tuned within a certain range, making it suitable for a wide variety of electronic systems that may require different power levels.
### 2.3 Wide Input Voltage Range
The product series can handle a wide range of input voltages. This means that it can be used in applications where the input power source may vary, such as in automotive systems where the battery voltage can fluctuate. The ability to accept a wide input voltage range enhances the versatility of the LM2576D2T - ADJR4G and makes it suitable for use in different environments and power supply scenarios.
### 2.4 Built - in Protection Features
To ensure the reliability and safety of the connected electronic components, the LM2576D2T - ADJR4G is equipped with several built - in protection features. These include over - current protection (OCP), which limits the current flowing through the regulator in case of a short - circuit or excessive load. Over - temperature protection (OTP) is also present, which shuts down the regulator if the temperature exceeds a safe operating limit. This helps prevent damage to the device and the connected circuitry.
### 2.5 Low Standby Current
In standby or idle modes, the LM2576D2T - ADJR4G consumes a very low current. This is beneficial for applications where the device may be in a standby state for extended periods, such as in battery - powered devices. Low standby current helps conserve power and extends the overall battery life of the system.
## 3. Package and Pin Configuration
The LM2576D2T - ADJR4G comes in a specific package, which is designed to facilitate easy mounting on printed circuit boards (PCBs). The package provides mechanical protection for the integrated circuit and also allows for proper heat dissipation. The pin configuration of the device is carefully designed to provide easy access to the necessary input and output terminals, as well as other control pins. This makes it convenient for designers to integrate the LM2576D2T - ADJR4G into their PCB layouts.
## 4. Applications
### 4.1 Automotive Electronics
In automotive applications, the LM2576D2T - ADJR4G can be used to regulate the power supply for various electronic components. The wide input voltage range allows it to handle the voltage fluctuations that occur in automotive electrical systems. It can power infotainment systems, dashboard displays,
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