LTC3624EDD-23.3#PBF - High-Efficiency, Synchronous Step-Down Regulator

The LTC3624EDD-23.3#PBF is a high-performance, synchronous step-down regulator from Linear Technology, designed to deliver a fixed output voltage of 3.3V with a maximum output current of up to 1A. It is housed in a compact DFN package, making it an ideal solution for space-constrained applications.

This regulator operates over an input voltage range of 2.7V to 17V, making it suitable for a variety of supply sources, including single-cell Li-Ion batteries, multi-cell alkaline batteries, and regulated 5V and 12V power rails. The LTC3624EDD-23.3#PBF boasts high efficiency, which can reach up to 95%, thereby reducing power loss and improving battery life in portable applications.

One of the key features of this device is its synchronous rectification topology, which utilizes internal N-channel MOSFET switches. This design choice enhances efficiency, especially at lower output currents, and eliminates the need for an external Schottky diode. Additionally, the LTC3624EDD-23.3#PBF supports a selectable Burst Mode® operation that further improves efficiency at light loads by reducing the quiescent current.

The LTC3624EDD-23.3#PBF also incorporates a range of protective features to ensure reliability and longevity of the end application. These include over-temperature protection, over-current protection, and a power good flag that indicates when the output is within regulation. Furthermore, the device allows for adjustable soft-start to control inrush current during startup, which can be set by an external capacitor.

Finally, the LTC3624EDD-23.3#PBF offers a compact and thermally efficient solution due to its DFN package. The device is optimized for use in telecommunications, networking equipment, industrial applications, and portable electronics, where efficient power conversion is critical. With its robust feature set and high efficiency, the LTC3624EDD-23.3#PBF from Linear Technology stands out as a reliable choice for designers looking to optimize their power management solutions.