Product Overview: LTC1261CS8#PBF

The LTC1261CS8#PBF is a high-performance, switch-capacitor voltage inverter designed and manufactured by Linear Technology, now part of Analog Devices. This compact and efficient integrated circuit (IC) is specifically engineered to provide a reliable and stable negative voltage supply from a positive input voltage, making it an ideal solution for a wide range of applications, including but not limited to portable devices, battery-powered equipment, and wherever a negative voltage rail is required.

Key Features

• Input Voltage Range: The LTC1261CS8#PBF operates with an input voltage range from 4.5V to 5.5V, which is suitable for many standard 5V systems.
• Output Voltage: It delivers a fixed negative output voltage which is typically set at -5V, providing a convenient solution for generating a negative rail without the need for an external diode.
• High Efficiency: Thanks to its switch-capacitor technology, this voltage inverter achieves high efficiency, reducing power consumption and heat generation within the system.
• Low Quiescent Current: The device features a low quiescent current, making it an excellent choice for battery-powered applications where power conservation is critical.
• Compact Size: The LTC1261CS8#PBF comes in a small 8-lead SOIC package, ensuring a minimal footprint on the PCB and making it suitable for space-constrained applications.
• No External Diode Required: This IC does not require an external diode for the charge pump, simplifying design and reducing component count.
• Shutdown Feature: It includes a shutdown feature that reduces the supply current to under 1µA, further enhancing its suitability for power-sensitive designs.

Applications

The LTC1261CS8#PBF is versatile and can be used in a variety of applications, such as:

• Portable instrumentation
• Battery-operated equipment
• Data acquisition systems
• Operational amplifier power supplies
• Handheld devices

This product reflects Linear Technology's commitment to providing innovative power management solutions. The LTC1261CS8#PBF's combination of high efficiency, low power consumption, and compact size makes it a smart choice for designers looking to optimize their power supply architecture in portable and space-limited applications.