Product Overview: LTC3826EUH#PBF - Linear Technology

The LTC3826EUH#PBF is a state-of-the-art dual step-down DC/DC controller designed by Linear Technology for precision voltage regulation in a wide array of applications. This high-performance product is specifically engineered to meet the demands of complex systems requiring multiple supply voltages. Its dual-channel design allows for the regulation of two independent output voltages or two phases in a single output voltage application, providing design flexibility and improved load response.

Featuring a wide input voltage range from 4V to 28V, the LTC3826EUH#PBF is versatile and suitable for various operating environments, including those with fluctuating supply voltages. The output voltage is adjustable down to 0.6V with a high accuracy of ±1% over the temperature range of -40°C to 85°C, ensuring reliable performance across different conditions.

The controller utilizes a constant frequency, current mode architecture with programmable frequency from 250kHz to 750kHz, which allows the designer to optimize the size and response characteristics of the external components. Additionally, it offers the option to synchronize the switching frequency to an external clock to minimize electromagnetic interference (EMI) in noise-sensitive applications.

One of the key features of the LTC3826EUH#PBF is its integrated powerful 1.1Ω on-chip MOSFET gate drivers. These drivers enable the use of high-power external MOSFETs, ensuring efficient power conversion with minimal loss. The product also includes additional features such as phase-lockable frequency (75kHz to 850kHz), power good output signals, and adjustable soft-start to control the inrush current during startup.

For protection, the LTC3826EUH#PBF incorporates overvoltage protection, undervoltage lockout, and a foldback current limit, safeguarding the device and the system under abnormal conditions. The device is available in a compact (5mm x 5mm) QFN-32 package, making it an excellent choice for space-constrained applications.

In summary, the LTC3826EUH#PBF from Linear Technology is an advanced dual step-down DC/DC controller that offers precise voltage control, flexibility, and a host of features designed to enhance system reliability and performance, making it an ideal solution for a variety of power management applications.