LTC1517CS5-3.3#TRMPBF - Step-Up/Step-Down DC-DC Converter

The LTC1517CS5-3.3#TRMPBF is a versatile DC-DC converter designed and manufactured by Linear Technology, a company known for their innovative and high-performance analog integrated circuits. This particular converter is part of the LTC1517 series, which are highly efficient, low power step-up/step-down switching regulators that offer a compact solution for a wide range of applications.

Key Features:

• Adjustable Output Voltage: This device is capable of delivering a fixed output voltage of 3.3V, which is ideal for powering logic circuits and other standard voltage applications.
• High Efficiency: With its advanced design, the LTC1517CS5-3.3#TRMPBF provides an efficient power conversion that can reach up to 90%, minimizing heat generation and power loss.
• No Need for External Diode: Unlike many other converters, this device integrates a low V<sub>CESAT switch and a Schottky diode, eliminating the need for an external catch diode and reducing the overall component count.
• Low Quiescent Current: The quiescent current is as low as 120µA, making it suitable for battery-powered applications where power conservation is critical.
• Small Package: The LTC1517CS5-3.3#TRMPBF comes in a compact SOT-23 package, allowing for space-saving designs.
• Wide Input Voltage Range: It operates over a wide input voltage range from 1.5V to 15V, accommodating a variety of power sources, including single-cell Li-ion batteries or multi-cell alkaline batteries.
• Thermal Protection: The device includes thermal shutdown protection that safeguards it against overheating and potential damage.

Applications:

Due to its flexibility and high efficiency, the LTC1517CS5-3.3#TRMPBF is suitable for a diverse range of applications, including:

• Portable Devices
• GPS Systems
• Handheld Instruments
• Wireless and IoT Devices
• Power Backup Supplies
• Energy Harvesting Systems

Overall, the LTC1517CS5-3.3#TRMPBF is a reliable and versatile power solution that meets the requirements of modern electronic devices. Its high efficiency, low quiescent current, and compact form factor make it an excellent choice for designers looking to optimize power management in their products.