LTC3826IUH#TRPBF - Dual, 2-Phase Synchronous Step-Down Controller

The LTC3826IUH#TRPBF is a high-performance, dual, 2-phase synchronous step-down switching regulator controller manufactured by Linear Technology, now part of Analog Devices. This advanced controller is designed to manage power in a compact and efficient manner, making it an ideal choice for a wide range of applications including telecommunications, networking equipment, and industrial systems.

Key Features:

• Wide Input Voltage Range: Capable of operating with an input voltage range from 4V to 28V, this controller provides a versatile solution for various power supply requirements.
• Output Voltage Range: The LTC3826IUH#TRPBF can provide an output voltage range from 0.6V to 90% of the input voltage, enabling it to support a variety of low voltage applications.
• High Efficiency: Its synchronous operation allows for up to 95% efficiency, reducing heat generation and improving system reliability.
• Current Mode Operation: The device uses current mode control for excellent line and load transient response.
• Phase-Lockable Fixed Frequency: The switching frequency is selectable from 250kHz to 750kHz and can be synchronized to an external clock for noise-sensitive applications.
• OPTI-LOOP® Compensation: The LTC3826IUH#TRPBF features OPTI-LOOP compensation, which allows the transient response to be optimized over a wide range of output capacitance and ESR values.
• Integrated MOSFET Drivers: It includes powerful 1.1Ω on-chip MOSFET gate drivers designed to drive large power MOSFETs for high current applications.
• Tracking and Soft-Start: It offers output voltage tracking and soft-start capabilities to provide a controlled startup and reduce inrush current.

Package and Reliability:

The LTC3826IUH#TRPBF comes in a compact (5mm x 5mm) QFN-32 package, which is suitable for space-constrained applications. The device operates over an industrial temperature range of -40°C to 85°C, ensuring reliable performance in harsh environments. The product is also offered in tape and reel packaging, denoted by the '#TRPBF' suffix, which facilitates automated manufacturing processes.

Applications:

• Telecommunications Infrastructure
• Networking Equipment
• Industrial Systems
• Computing Power Supplies
• High-Density Distributed Power Systems

With its robust feature set and high reliability, the LTC3826IUH#TRPBF is a versatile and efficient solution for demanding power management applications.