The LTC3728LCUH#PBF from Linear Technology is a dual high performance, step-down switching regulator controller that is designed to drive all N-channel synchronous power MOSFET stages. Its high degree of integration and advanced features make it suitable for a wide range of applications that require precise voltage regulation and high efficiency.

Key Features

• Wide Input Voltage Range: The controller can handle a wide input voltage range, making it versatile for various applications.
• Dual Outputs: It provides two outputs that can be set to different voltages, allowing for dual supply systems to be powered efficiently.
• High Efficiency: The LTC3728LCUH#PBF is designed for high efficiency, which is critical for reducing heat and improving reliability in power systems.
• Adjustable Switching Frequency: Users can set the switching frequency from 250kHz to 750kHz or can be synchronized to an external clock.
• Phase-Lockable Fixed Frequency: Its frequency can be locked to an external clock signal for noise-sensitive applications.
• No RSENSE™ Operation: Eliminates the need for a current sense resistor, thereby improving efficiency and reducing system complexity and cost.

Applications

The LTC3728LCUH#PBF is ideal for a variety of applications, including:

• Telecommunications Infrastructure
• Networking Equipment
• Industrial Systems
• Automotive Power Systems
• DC/DC Converters

Product Details

The LTC3728LCUH#PBF is packaged in a compact QFN-32 package, offering a space-saving solution for modern electronic systems. Its robust design includes features such as overvoltage protection, undervoltage lockout, and a power good output signal, which simplifies power supply monitoring and increases system reliability. With its precision voltage regulation and high efficiency, the LTC3728LCUH#PBF is an excellent choice for designers looking for a versatile and reliable power management solution.