The LM3671TL-ADJ is a step-down DC-DC converter optimized for powering portable applications. It’s part of Texas Instruments’ power management solutions. It can supply up to 600mA of output current. Its high switching frequency allows for the use of small external components, making it suitable for compact devices. The adjustable output voltage provides flexibility in system design.

Applications

• Mobile phones
• PDAs (Personal Digital Assistants)
• Portable media players
• GPS devices
• Digital cameras

Features

• High efficiency: Up to 94%
• 600mA output current capability
• Adjustable output voltage
• 2 MHz switching frequency
• Low quiescent current: 25 μA (typical)
• Short-circuit protection
• Over-temperature protection
• Small solution size

Benefits

• Extended battery life due to high efficiency and low quiescent current.
• Reduced board space due to small external components and high switching frequency.
• Flexible power supply design with adjustable output voltage.
• Improved system reliability with short-circuit and over-temperature protection.
• Minimized EMI due to controlled switching characteristics.

The LM3671TL-ADJ is a highly efficient and compact step-down converter ideal for powering a wide range of portable devices. Its adjustable output voltage allows for customization to specific application requirements, while its integrated protection features ensure reliable operation. The high switching frequency enables the use of small external components, reducing the overall solution size. This converter provides stable and efficient power delivery, maximizing battery life and minimizing heat generation.

Technical Specifications: Input Voltage: 2.7V to 5.5V; Output Voltage: 0.6V to Vin; Switching Frequency: 2 MHz; Output Current: 600 mA; Quiescent Current: 25 μA; Operating Temperature: -40°C to +85°C. Package: Thin SOT-23.