Product Overview: LT3481IDD#PBF

The LT3481IDD#PBF is a versatile and compact step-down switching regulator from Linear Technology, designed to deliver high performance in a small package. This DC-DC converter is ideal for portable devices, industrial equipment, and automotive applications where space is at a premium and efficient power conversion is required.

Key Features

• Adjustable Output Voltage: The LT3481IDD#PBF allows users to set the output voltage from 1.25V to as high as 40V, providing flexibility for various design requirements.
• Wide Input Voltage Range: It operates from an input voltage range of 2.5V to 16V, suitable for single-cell Li-Ion batteries or other standard power supplies.
• High Efficiency: With an internal 2A, 42V switch, the device can deliver efficiencies up to 85%, making it an energy-efficient choice for modern electronic designs.
• Low Quiescent Current: The quiescent current is a mere 330uA, which drops to
• Robust Protection Features: It includes features such as thermal shutdown, short-circuit protection, and a robust switch design to ensure long-term reliability.
• Frequency Foldback: The LT3481IDD#PBF employs frequency foldback to enhance efficiency in short-circuit conditions.
• Small Footprint: Housed in a small 10-lead DFN package, it requires minimal board space, enabling compact circuit designs.

Applications

• Portable Electronics
• Automotive and Industrial Systems
• Power Supplies for Sensors and Wireless Devices
• Battery-Powered Equipment

Design Advantages

The LT3481IDD#PBF is designed for ease of use, with minimal external components required. Its internal compensation simplifies the design process, and its high switching frequency enables the use of small inductors and capacitors, reducing the overall solution size. The device's Burst Mode operation ensures low ripple and high efficiency at light loads, making it an excellent choice for battery-operated systems.

Part Number: LT3481IDD#PBF

Manufacturer: Linear Technology