Linear Technology LTC3731HUH#PBF Product Overview

The LTC3731HUH#PBF is a high-performance, synchronous step-down switching regulator controller from Linear Technology, a brand of Analog Devices. This advanced controller is designed to drive all N-channel power MOSFET stages, which can lead to highly efficient power conversion capable of delivering significant current outputs with excellent thermal performance. The device is well-suited for a variety of demanding applications, including distributed power systems, telecommunications, and industrial equipment.

With a wide input voltage range from 4V to 36V, the LTC3731HUH#PBF is versatile and can operate in environments with fluctuating supply voltages, making it ideal for battery-powered systems and automotive applications. It features a powerful 1.1Ω onboard gate drivers, which ensures robust and efficient switching of external MOSFETs, and its constant frequency current mode architecture allows for a selectable frequency from 200kHz to 600kHz or can be synchronized to an external clock for noise-sensitive applications.

The LTC3731HUH#PBF incorporates a range of protective features that safeguard the device and the system it controls. These include overvoltage protection, undervoltage lockout, and a soft-start capability to prevent inrush current during startup. Additionally, it has foldback current limiting and thermal shutdown for added safety and reliability.

For precision control, the LTC3731HUH#PBF offers excellent line and load regulation, and its adjustable output voltage can be set from 0.8V to VIN with a tolerance of ±1% over the entire temperature range. The device is housed in a compact 32-lead QFN package, which is designed to minimize footprint and allow for efficient heat dissipation.

Whether you are designing a high-density power supply or looking for a reliable controller for your power management system, the LTC3731HUH#PBF from Linear Technology provides the performance, flexibility, and reliability required for today's high-performance electronic applications.

Key Features:

• Wide Input Voltage Range: 4V to 36V
• Powerful 1.1Ω Onboard Gate Drivers
• Constant Frequency Current Mode Architecture
• Selectable Frequency: 200kHz to 600kHz or External Synchronization
• Adjustable Output Voltage from 0.8V to VIN
• Overvoltage Protection and Undervoltage Lockout
• Soft-Start Capability and Foldback Current Limiting
• Thermal Shutdown for Over Temperature Protection
• Compact 32-Lead QFN Package