The LT1108CS8#PBF is a versatile and compact voltage converter integrated circuit (IC) from Linear Technology, designed to address a wide range of power supply requirements. This IC is capable of converting a positive input voltage to a corresponding negative output voltage, thus making it an ideal choice for applications requiring an inverting power supply.

Key Features:

• Wide Input Voltage Range: The LT1108 can operate with an input voltage range from 2V to 12V, making it suitable for various battery-powered and portable devices.
• High Efficiency: With its switch-mode operation, the LT1108CS8#PBF can achieve efficiencies of up to 85%, reducing power loss and heat generation.
• Adjustable Output Voltage: The output voltage can be set to any value between -1.25V and -34V, providing flexibility for different application requirements.
• Low Quiescent Current: The quiescent current is typically 1.3mA, which helps to conserve battery life in portable applications.
• Fixed Frequency Operation: The IC operates at a fixed frequency of 100kHz, which allows for the use of small, low-cost capacitors and inductors, reducing the overall solution size.
• Integrated Switch: The device includes a 1A power switch, eliminating the need for external components and simplifying the design process.

Applications:

• Portable Instruments
• Medical Devices
• Battery-Powered Equipment
• Negative Voltage Generators
• Operational Amplifier Power Supplies

The LT1108CS8#PBF is enclosed in an 8-lead SOIC package, which provides a compact footprint for space-constrained applications. Its robust design and straightforward pin configuration make it easy to integrate into a variety of circuits without requiring complex layout considerations.

Overall, the LT1108CS8#PBF from Linear Technology is a reliable and efficient solution for designers looking to implement an inverting power supply with minimal external components and design effort.