The LTC3528BEDDB-2#TRMPBF is a high-performance, dual-channel step-up DC/DC converter designed and manufactured by Linear Technology, a leader in the field of analog integrated circuits. This compact and efficient power management component is ideal for portable battery-powered devices requiring dual power rails with high power density.

Key Features:

• Wide Input Voltage Range: The device operates from an input voltage range of 0.85V to 5V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications.
• Dual Independent Outputs: It provides two independent output voltages, which can be set between 2.5V and 5.25V, allowing for versatility in powering various components of a system.
• High Efficiency: With efficiencies up to 94%, the LTC3528BEDDB-2#TRMPBF ensures minimal power loss and maximizes battery life.
• Low Quiescent Current: Its low quiescent current of under 25µA per channel contributes to a longer battery runtime in portable devices.
• Fixed Frequency Operation: The converter operates at a fixed frequency of 2.25MHz, which allows the use of small, low-cost capacitors and inductors while avoiding critical noise-sensitive frequency bands.

Applications:

The LTC3528BEDDB-2#TRMPBF is versatile and can be used in a variety of applications, including:

• Portable Medical Devices
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Wireless Mice and Keyboards
• MP3 Players

Package and Availability:

The device comes in a small, 12-lead (3mm × 3mm) DFN package that is RoHS compliant. It is available in tape and reel format under the part number LTC3528BEDDB-2#TRMPBF, which is suitable for automated pick-and-place manufacturing processes.

Conclusion:

With its high efficiency, dual-output capability, and low quiescent current, the LTC3528BEDDB-2#TRMPBF from Linear Technology is an excellent choice for designers looking to optimize power management in compact, battery-powered devices. Its performance and small footprint make it an essential component for modern portable electronics where power efficiency and space constraints are critical considerations.