Analog Devices Inc. LTC3111EDE#TRPBF Overview

The LTC3111EDE#TRPBF is a high-performance, buck-boost DC/DC converter designed by Analog Devices Inc. to manage power supply requirements in a wide variety of applications. This versatile integrated circuit is capable of automatically transitioning between step-down and step-up modes, ensuring a stable output voltage even when the input voltage varies above or below the output voltage.

With an input voltage range of 2.7V to 15V and an output voltage range that can be set between 2.5V and 14V, the LTC3111EDE#TRPBF is suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as industrial and automotive systems that require a regulated power supply. The device is capable of delivering up to 1.5A of continuous output current with excellent line and load regulation.

The LTC3111EDE#TRPBF comes in a compact, 12-lead (4mm x 3mm) DFN package, which is ideal for space-constrained applications. Its fixed frequency, current-mode control provides stable operation over a wide range of supply and output voltages and simplifies external component selection.

Key Features:

• Wide Input Voltage Range: 2.7V to 15V
• Adjustable Output Voltage Range: 2.5V to 14V
• 1.5A Output Current Capability
• High Efficiency: Up to 95%
• Low Quiescent Current: 85µA
• Fixed Frequency Operation: 2.2MHz
• Internal 2A Peak Switch Current Limit
• Burst Mode® Operation for High Efficiency at Low Output Currents
• Thermally Enhanced 12-Lead (4mm × 3mm) DFN Package

Applications:

• Portable Instruments
• Industrial and Automotive Power Systems
• Battery-Powered Equipment
• Point of Load Power Supplies
• Handheld Devices

The LTC3111EDE#TRPBF is equipped with a range of protective features, including over-temperature protection, short-circuit protection, and low battery detection, ensuring reliable and safe operation under various conditions. Its Burst Mode® operation ensures high efficiency at low output currents, making it an ideal choice for battery-operated devices where extended battery life is crucial.

Overall, the LTC3111EDE#TRPBF from Analog Devices Inc. is a robust and efficient solution for designers looking to optimize power management in their electronic systems.