Linear Technology LTC3450EUD#PBF

The LTC3450EUD#PBF is an advanced, highly efficient, dual-input power converter integrated circuit (IC) from Linear Technology, designed to meet the demanding requirements of portable electronics. This versatile chip offers a compact power management solution by combining a synchronous buck-boost DC/DC converter with an automatic switching feature between USB and battery power sources.

Key Features:

• Wide Input Voltage Range: The LTC3450EUD#PBF operates efficiently over a wide input voltage range, accommodating various battery chemistries and configurations.
• Dual Input Power Path: It intelligently manages power from two sources, typically a single-cell lithium-ion/polymer battery and a USB port, ensuring seamless transition between them without interrupting the supply to the load.
• High Efficiency: The synchronous buck-boost converter is designed for high efficiency across a broad range of load conditions, optimizing battery life for portable devices.
• Programmable Current Limits: Both USB and battery inputs have programmable current limits, protecting the inputs from overcurrent conditions and complying with USB power specifications.
• Low Quiescent Current: It features a low quiescent current that reduces power drain when the device is in standby, further extending battery life.
• Thermal Protection: Built-in thermal protection safeguards the device from overheating, ensuring reliable operation under various conditions.
• Compact Package: The LTC3450EUD#PBF comes in a compact, 16-lead QFN package, which is ideal for space-constrained applications.

Applications:

This IC is particularly suited for portable devices that require efficient power management and the ability to charge from multiple sources. Typical applications include:

• Smartphones and Tablets
• Portable Media Players
• Digital Cameras
• Handheld GPS Units
• Other USB-powered gadgets

The LTC3450EUD#PBF is a powerful solution for designers looking to enhance the performance and extend the battery life of their portable electronics. Its advanced features and compact form factor make it an ideal choice for cutting-edge portable applications.