The LT1173CS8-5#TRPBF is a versatile step-down DC/DC converter from Linear Technology, designed for a range of applications requiring efficient voltage regulation. This robust component comes in an 8-pin SO package, offering a fixed output voltage of 5V, making it an ideal choice for systems that require a stable 5V supply from higher voltage sources.

Key Features

• Adjustable Switching Frequency: The LT1173 allows users to set the switching frequency anywhere from 100kHz to 2.2MHz with a single external capacitor, offering flexibility for optimizing efficiency and component size.
• High Efficiency: Capable of up to 85% efficiency, this converter minimizes power loss, making it suitable for battery-powered applications where energy conservation is crucial.
• Low Battery Supply Operation: It can operate down to 3.6V input, accommodating a wide range of battery chemistries and configurations.
• Simple Design: A minimal number of external components are required for operation, simplifying design and reducing overall system cost.
• Saturation Protection: The LT1173 features current mode control for excellent line and load transient response and provides cycle-by-cycle current limiting and thermal shutdown for enhanced protection.

Applications

The LT1173CS8-5#TRPBF is suitable for a wide range of applications, including but not limited to:

• Portable Instruments
• Battery-Powered Equipment
• Cellular Phones
• Wireless Modems
• Power Supplies

Quality and Reliability

Linear Technology's commitment to quality ensures that the LT1173CS8-5#TRPBF meets the highest standards of reliability and performance. It is designed for long-term operation in demanding environments, providing consistent performance over a wide temperature range. The part number suffix 'TRPBF' indicates that the device is provided in tape and reel packaging and is lead (Pb) free, which is essential for RoHS compliance and environmentally conscious manufacturing.