Linear Technology LTC1503CS8-2.5 Step-Down Converter

The LTC1503CS8-2.5 is a high-efficiency, monolithic synchronous buck regulator from Linear Technology, designed to deliver a fixed output voltage of 2.5V. This compact and robust integrated circuit (IC) is ideal for portable electronics, where efficient power conversion is crucial to maximize battery life. The LTC1503CS8-2.5 is housed in a space-saving 8-pin SO package, making it suitable for space-constrained applications.

Key Features

• Fixed Output Voltage: The device provides a stable 2.5V output, which is beneficial for systems that require a consistent and regulated power supply.
• High Efficiency: With its synchronous operation, the LTC1503CS8-2.5 can achieve up to 96% efficiency, reducing power loss and heat generation.
• Wide Input Voltage Range: The regulator operates from an input voltage range of 3.6V to 20V, accommodating a variety of power sources.
• Output Current: It can deliver up to 500mA of continuous output current, making it capable of powering a range of low-power devices.
• No Schottky Diode Required: The synchronous rectification design eliminates the need for an external Schottky diode, simplifying the circuit and saving board space.
• Low Dropout Operation: The low dropout capability ensures the output voltage is maintained even when the input voltage is close to the output voltage.
• Adjustable Switching Frequency: The switching frequency can be programmed up to 1MHz or synchronized to an external clock, allowing flexibility in design and optimization of component size and efficiency.
• Burst Mode® Operation: This feature significantly improves efficiency at light loads, extending battery life in portable applications.

Applications

The LTC1503CS8-2.5 is suitable for a wide range of applications, including:

• Portable Instruments
• Battery-Powered Equipment
• Handheld Devices
• Embedded Systems
• Wireless Modems and Networking Devices

Overall, the LTC1503CS8-2.5 from Linear Technology is a reliable and efficient solution for designers looking to integrate a fixed-voltage power supply into their applications, especially where space and power efficiency are at a premium.