Overview
The LM2676T-ADJ/NOPB, produced by Texas Instruments, is a highly adaptable and efficient step-down (buck) switching voltage regulator. This component is part of the LM2676 family and is designed to provide stable power output for a wide range of devices and systems. It efficiently converts input voltages ranging from 8V to 40V to a lower, customizable output voltage, with an impressive efficiency of up to 96%. The regulator features a fixed-frequency PWM control scheme, ensuring stability and predictability across different load conditions. Additionally, it includes thermal shutdown and current limit protection mechanisms to safeguard the device from potential damage caused by overloading or overheating.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage | 8 | - | 40 | V |
| Output Voltage | 1.2 | - | 37 | V |
| Maximum Output Current | - | - | 3 | A |
| Switching Frequency | 260 | - | - | kHz |
| Efficiency | - | 88% | 96% | % |
| Operating Temperature | -40 | - | 125 | °C |
| Package Type | - | - | TO-220-7 | - |
| Pin Count | - | - | 7 | - |
Key Features
- Adjustable output voltage from 1.2V to 37V
- Maximum output current of 3A
- Wide input voltage range from 8V to 40V
- Thermal shutdown and current limit protection
- Low dropout voltage of 1.2V
- Requires few external components for operation
- Efficiency up to 96%
- Fixed-frequency PWM control scheme for stability and predictability
Applications
The LM2676T-ADJ/NOPB is commonly used in various applications such as:
- Industrial power supplies
- Automotive power modules
- Distributed power systems
- Battery chargers
- DC-DC converters
- Telecommunications equipment
- Consumer electronics
- LED lighting systems
Q & A
- What is the input voltage range of the LM2676T-ADJ/NOPB? The input voltage range is from 8V to 40V.
- What is the adjustable output voltage range of the LM2676T-ADJ/NOPB? The output voltage can be adjusted from 1.2V to 37V.
- What is the maximum output current of the LM2676T-ADJ/NOPB? The maximum output current is 3A.
- What is the switching frequency of the LM2676T-ADJ/NOPB? The switching frequency is 260 kHz.
- What are the protection mechanisms included in the LM2676T-ADJ/NOPB? It includes thermal shutdown and current limit protection.
- What is the package type of the LM2676T-ADJ/NOPB? It comes in a TO-220-7 package.
- What is the operating temperature range of the LM2676T-ADJ/NOPB? The operating temperature range is from -40°C to 125°C.
- What are some common applications of the LM2676T-ADJ/NOPB? It is used in industrial power supplies, automotive power modules, distributed power systems, battery chargers, DC-DC converters, telecommunications equipment, consumer electronics, and LED lighting systems.
- How efficient is the LM2676T-ADJ/NOPB? The efficiency can be up to 96%.
- Does the LM2676T-ADJ/NOPB require many external components? No, it requires few external components for operation.
