The LM3480IM3-15/NOPB is a high-performance, fixed frequency, current mode, step-down switching regulator (buck converter) developed by Texas Instruments. It is designed to provide efficient power conversion in a wide range of applications, including but not limited to telecommunications, industrial control, and battery-powered systems.
Description:
The LM3480IM3-15/NOPB is a monolithic integrated circuit that provides a highly efficient step-down converter solution. It operates at a fixed switching frequency of 550 kHz, which allows for the use of smaller external components and simplifies the design process. The device is available in a compact 16-lead thermally enhanced PowerPAK® package, which is suitable for a wide range of applications.
Features:
- Fixed 550 kHz switching frequency: Allows for smaller external components and easier design.
- Wide input voltage range: 4.75V to 60V, making it suitable for various power supply sources.
- High efficiency: Up to 93% efficiency, reducing power dissipation and improving overall system performance.
- Low dropout voltage: Operates efficiently even with low input voltages.
- Current mode control: Provides excellent transient response and loop stability.
- Thermal shutdown and over-current protection: Ensures reliable operation and protection against fault conditions.
- Soft-start feature: Reduces inrush current during startup.
- External compensation: Allows for easy optimization of the converter's performance.
- Synchronous rectification: Improves efficiency by using the low-side MOSFET for rectification during light load conditions.
Applications:
- Telecommunications systems: Powering cellular base stations, routers, and other network equipment.
- Industrial control systems: Providing efficient power conversion for motor drives, sensors, and control circuits.
- Battery-powered systems: Converting battery voltage to a lower voltage for portable devices, such as laptops, smartphones, and wearable electronics.
- Automotive systems: Powering infotainment systems, sensors, and other electronic components in vehicles.
- LED lighting: Driving high-brightness LED arrays with efficient power conversion.
- Medical equipment: Providing regulated power to sensitive medical instruments and devices.
- Renewable energy systems: Power conversion for solar panels, wind turbines, and other renewable energy sources.
The LM3480IM3-15/NOPB is a versatile and efficient step-down converter that can be used in a wide range of applications where efficient power conversion is required. Its high efficiency, wide input voltage range, and thermal protection features make it a reliable choice for various power supply needs.