LTC1261LCMS8 - Switched Capacitor Regulated Voltage Inverter

The LTC1261LCMS8 is a highly efficient, versatile switched capacitor voltage inverter designed by Linear Technology (now part of Analog Devices). It is specifically engineered to provide a regulated negative voltage from a positive input voltage, making it an ideal component for a wide range of electronic applications where such conversion is necessary.

Key Features

• Input Voltage Range: The device can operate with an input voltage range from 4.5V to 10V, making it suitable for many standard power supply rails.
• Adjustable Output Voltage: The regulated output voltage can be set to values down to -1.25V, providing flexibility for various design requirements.
• High Output Current: It can deliver up to 45mA of output current, sufficient for a wide array of low-power applications.
• Low Quiescent Current: The LTC1261LCMS8 features a low quiescent current, which is beneficial for battery-powered devices where power conservation is crucial.
• Shutdown Mode: It includes a shutdown mode that reduces the supply current to 20µA, further enhancing its power-saving capabilities.
• No External Diode: Unlike many other switched capacitor inverters, the LTC1261LCMS8 does not require an external diode, simplifying the design and reducing component count.
• Surface Mount Package: The device is available in an MS8 package, which is compatible with surface mount technology, allowing for compact and efficient PCB designs.

Applications

The LTC1261LCMS8 is suitable for a variety of applications, including:

• Portable Battery-Powered Equipment
• Interface Power Supplies
• Operational Amplifier Negative Rail Generation
• Data Acquisition Systems
• Handheld Instruments
• Medical Devices

In summary, the LTC1261LCMS8 from Linear Technology is a robust and reliable integrated circuit that offers a practical solution for generating a regulated negative voltage in compact, power-sensitive electronic systems. Its combination of efficiency, adjustability, and ease of use make it a preferred choice for engineers and designers looking to optimize their power management strategies.