The LT3481EDD#PBF is a versatile and compact step-down switching regulator from Linear Technology, designed to deliver high efficiency and performance for a wide range of applications. This advanced power management integrated circuit (PMIC) is particularly suitable for portable devices due to its small form factor and capability to operate from a single lithium-ion cell or multiple alkaline/NiMH cells.

Key Features

• Adjustable Output Voltage: The device offers an adjustable output voltage range from 1.25V to 16V, which can be set with external resistors to suit various application requirements.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 16V, the LT3481EDD#PBF is versatile and can operate from a variety of power sources.
• High Efficiency: The regulator features a high efficiency up to 85%, minimizing heat generation and power loss, which is critical for battery-powered applications.
• Low Quiescent Current: Its low quiescent current of only 20μA (at no load) helps in extending battery life in portable devices.
• Integrated 2A Switch: The device includes an internal 2A power switch, which reduces the need for external components and simplifies the design process.
• Frequency Foldback and Soft-Start: Enhanced features such as frequency foldback and soft-start contribute to the reduction of input current during startup, preventing inrush current issues.

Applications

The LT3481EDD#PBF is an ideal choice for a broad array of applications, including but not limited to:

• Portable Electronics
• Handheld Medical Devices
• Battery-Powered Equipment
• Automotive and Industrial Supplies
• Point of Load Applications

Package and Quality

The regulator is housed in a 10-lead (3mm × 3mm) DFN package, which is designed to offer excellent thermal performance in a minimal footprint. Its lead-free finish and RoHS compliance ensure that it meets current environmental standards for electronic components.

Overall, the LT3481EDD#PBF from Linear Technology stands out as a high-quality, efficient, and versatile power solution that can be easily integrated into a wide range of electronic products.