The LTC3545IUD#TRPBF is a high-efficiency, triple output, synchronous buck regulator from Linear Technology, designed to provide precise power delivery for a wide range of applications. This compact and versatile component offers three independent output channels, each capable of delivering up to 800mA of continuous current, making it an ideal solution for portable devices, industrial controls, and distributed power systems.

Key Features

• Triple Independent Outputs: Each channel can provide up to 800mA of output current, with output voltages as low as 0.8V.
• High Efficiency: Synchronous rectification delivers efficiency up to 95%, reducing power loss and heat generation.
• Wide Input Voltage Range: Operates from a 2.25V to 5.5V input, compatible with various supply voltages.
• Adjustable Switching Frequency: Users can set the frequency from 300kHz to 2.25MHz or synchronize it to an external clock to optimize performance and component size.
• Low Dropout Operation: 100% duty cycle capability ensures low dropout performance, maintaining output regulation during input voltage dips.
• Burst Mode® Operation: Provides high efficiency at low output currents, preserving battery life in portable applications.
• Integrated Power Switches: Internal switches minimize the need for external components, simplifying design and reducing board space.
• Thermal Protection: Over-temperature protection safeguards the device against excessive heat conditions.

Applications

• Portable Electronics
• Handheld Devices
• Industrial Controls
• Automotive Power Systems
• Distributed Power Systems

Package and Availability

The LTC3545IUD#TRPBF comes in a compact 20-pin QFN package, offering a space-saving solution for densely packed circuit boards. The device is available in tape and reel packaging, facilitating efficient assembly for high-volume production. With its robust design and comprehensive feature set, the LTC3545IUD#TRPBF is a reliable choice for designers looking to optimize power management in their next project.