The LM3502SQ-25/NOPB is a high-performance, adjustable output, current-mode, step-up DC-DC converter designed by Texas Instruments. This component is specifically engineered to drive white LEDs with a constant current. The device operates from an input voltage range of 2.7V to 5.5V, making it ideal for portable applications powered by a single-cell Lithium-Ion battery.
Key Features
- Adjustable Output Voltage: The LM3502SQ-25/NOPB allows users to adjust the output voltage to suit their specific requirements, ensuring maximum flexibility for a variety of applications.
- High Efficiency: With its current-mode operation and internal switch, the device provides a highly efficient solution for LED driving applications, minimizing power loss and maximizing battery life.
- Constant Current Drive: The device ensures a stable and constant current, which is crucial for maintaining consistent brightness and color in LED applications.
- Small Footprint: Housed in an LLP-10 package, the LM3502SQ-25/NOPB is designed for space-constrained applications, allowing for compact and efficient designs.
- Thermal Shutdown: The built-in thermal shutdown feature protects the device from overheating, ensuring reliable operation under a range of temperature conditions.
Applications
The LM3502SQ-25/NOPB is suitable for a wide range of applications, particularly those that require high-quality LED backlighting. It is commonly used in:
- Mobile phones and handheld devices
- GPS units
- Portable media players
- Display backlighting
Quality and Reliability
Texas Instruments is known for its commitment to quality and reliability, and the LM3502SQ-25/NOPB is no exception. This product is available in a lead-free, RoHS-compliant package, reflecting TI's dedication to environmental responsibility while maintaining the high standards of performance and durability that customers expect.