The LT1373CS8#PBF is a versatile and high-efficiency DC/DC converter IC from Linear Technology, designed to meet a wide range of power supply requirements. This step-up, step-down, and inverting converter operates at a switching frequency of 500kHz, allowing for the use of small, low-cost capacitors and inductors with lower ripple current.

Key Features

• Adjustable Switching Frequency: The LT1373 can be programmed from 200kHz to 500kHz, enabling flexibility in the design of the power supply.
• High Efficiency: Capable of delivering efficiencies up to 90%, it ensures minimal heat generation and maximizes battery life in portable applications.
• Versatile Operating Modes: Supports boost, SEPIC, and inverting configurations, providing design solutions for a variety of voltage requirements.
• Low Start-Up Current: The start-up current is under 1mA, which is ideal for battery-operated devices, ensuring minimal drain on the power source during the initial power-up phase.
• Shutdown Mode: Features a low quiescent current shutdown mode, which significantly reduces power consumption when the device is not in active use.

Applications

The LT1373CS8#PBF is suitable for a wide array of applications, including:

• Portable Instruments
• Medical Devices
• Telecommunications
• Automotive Supplies
• Industrial Power Systems

Package and Quality

The device is available in an 8-pin SO package (LT1373CS8) with a lead-free finish (PBF), adhering to RoHS standards. The package is designed for optimal thermal performance and space-saving on the PCB.

Conclusion

Linear Technology's LT1373CS8#PBF is an excellent choice for designers seeking a high-efficiency, flexible, and compact power conversion solution. Its ability to operate in various configurations, combined with high efficiency and low quiescent current features, makes it a versatile component for modern electronic applications.