BLL2740 Buck Converter – 42V 3.5A CC/CV Step-Down DC-DC Converter, High-Efficiency Power Regulation, SOP8

The BLL2740 is a high-efficiency step-down DC-DC converter designed to provide both constant-current and constant-voltage regulation for a wide range of power applications. Supporting input voltages up to 42V and delivering up to 3.5A output current, it is ideal for systems requiring precise power control such as LED drivers, battery charging circuits, and industrial power modules.

The device integrates a high-performance control loop to ensure stable operation across varying load conditions while maintaining high conversion efficiency. Its SOP8 package allows compact implementation with good thermal performance, making it suitable for space-constrained designs.

Key Specifications

• Input Voltage: Up to 42V

• Output Current: 3.5A

• Control Mode: CC/CV

• Topology: Buck Converter

• Package: SOP8

Applications

• LED lighting power supplies

• Battery chargers

• Industrial power systems

• Distributed power regulation

Features

• High efficiency step-down conversion

• Accurate current and voltage regulation

• Stable loop compensation

• Compact SOP8 package