LM22673TJE-ADJ
Adjustable 3A step-down voltage regulators for DC-DC conversion
Manufacturer： ['national-semiconductor', 'rochester', 'ti']
series introduction
# LM22673TJE - ADJ: A Comprehensive Introduction
## 1. Overview
The LM22673TJE - ADJ is a member of a highly efficient and versatile product series designed for power management applications. It is a step - down (buck) switching regulator integrated circuit (IC) that offers a wide range of features and benefits, making it suitable for various electronic devices and systems.
## 2. Key Features
### 2.1 High Efficiency
One of the standout features of the LM22673TJE - ADJ is its high efficiency. It uses a switching regulator topology, which significantly reduces power dissipation compared to linear regulators. This high efficiency is crucial in battery - powered devices as it helps to extend battery life. For example, in portable electronics such as smartphones or tablets, where power consumption is a major concern, the high - efficiency operation of this regulator can lead to longer usage times between charges.
### 2.2 Adjustable Output Voltage
The "ADJ" in the part number indicates that the output voltage of the LM22673TJE - ADJ is adjustable. This allows designers to set the output voltage according to the specific requirements of their application. The adjustable output voltage range typically spans from a few volts up to a maximum specified value, providing flexibility in powering different components. For instance, in a multi - voltage system where different integrated circuits require different supply voltages, the LM22673TJE - ADJ can be configured to provide the appropriate voltage levels.
### 2.3 Wide Input Voltage Range
It can accept a wide range of input voltages. This makes it suitable for use in various power sources, including batteries with different chemistries and power supplies with varying output voltages. For example, it can operate with input voltages from a single - cell lithium - ion battery (around 3.7V) up to a higher - voltage power supply, such as a 24V DC source. This wide input voltage range enhances its compatibility with different power systems and applications.
### 2.4 Low Dropout Voltage
The LM22673TJE - ADJ has a low dropout voltage, which means it can maintain a stable output voltage even when the input voltage is only slightly higher than the desired output voltage. This is particularly useful in applications where the input voltage may vary over time, such as in automotive electronics where the battery voltage can fluctuate depending on the vehicle's operating conditions.
### 2.5 Integrated Protection Features
To ensure the reliability and safety of the system, the LM22673TJE - ADJ is equipped with several integrated protection features. These include over - current protection (OCP), which limits the output current to prevent damage to the regulator and the connected load in case of a short - circuit or excessive current draw. Over - temperature protection (OTP) is also included, which shuts down the regulator if the temperature exceeds a safe operating limit, protecting the device from thermal damage.
## 3. Applications
### 3.1 Consumer Electronics
In consumer electronics, the LM22673TJE - ADJ can be used in a variety of devices. For example, in smartwatches and fitness trackers, it can regulate the power supply to different components such as the microcontroller, display, and sensors. Its high efficiency and adjustable output voltage make it an ideal choice for these battery - powered devices, where space and power consumption are critical factors.
### 3.2 Industrial Equipment
Industrial equipment often requires stable and efficient power supplies. The LM22673TJE - ADJ can be used in industrial control systems, motor drives, and instrumentation. Its wide input voltage range and integrated protection features make it suitable for use in harsh industrial environments where power supply variations and electrical faults are common
Images for reference
TJ7A
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