Product Overview: LTC1261LCS8-4

The LTC1261LCS8-4 is a high-performance, switch-capacitor voltage inverter developed by Linear Technology. It is designed to provide a simple and efficient solution for generating a regulated negative voltage from a positive input voltage. This component is particularly suitable for applications that require a small, reliable, and energy-efficient negative voltage source.

Key Features

• Input Voltage Range: The device operates with an input voltage range of 4.5V to 5.5V, making it ideal for standard 5V systems.
• Output Voltage: It provides a regulated -4.1V output, which is often used in analog circuits and mixed-signal designs to power operational amplifiers, data converters, and other ICs requiring a negative supply.
• High Efficiency: The LTC1261LCS8-4 uses a switched-capacitor voltage conversion technique, which allows for high efficiency compared to linear regulators, especially in applications with a wide gap between input and output voltages.
• Low Quiescent Current: It features a low quiescent current, making it suitable for battery-powered and portable applications where power conservation is critical.
• Compact Package: Enclosed in an 8-lead SOIC package, the LTC1261LCS8-4 is compact and easy to integrate into space-constrained designs.
• No External Diode: Unlike many other negative voltage regulators, this device does not require an external diode, simplifying the design and reducing the bill of materials.
• Shutdown Capability: It includes a shutdown feature that reduces the supply current to 5µA, further enhancing its suitability for power-sensitive applications.

Applications

The LTC1261LCS8-4 is versatile and can be used in a variety of applications, including:

• Portable Battery-Powered Equipment
• Data Acquisition Systems
• Bipolar Analog Circuits
• Operational Amplifier Systems
• Handheld Instruments

With its combination of efficiency, compact size, and ease of use, the LTC1261LCS8-4 from Linear Technology is an excellent choice for designers looking to implement a negative voltage supply in their next project.