Linear Technology's LTC1044AIN8 Voltage Converter

The LTC1044AIN8 is a versatile voltage converter chip produced by Linear Technology, which is renowned for its high-quality power management solutions. This integrated circuit is designed to provide charge pump voltage conversion from a positive voltage input to a corresponding negative voltage output. It is a perfect choice for applications requiring a small, efficient, and reliable means to invert the supply voltage or double it when needed.

Key Features

• Voltage Conversion: The LTC1044AIN8 can efficiently convert a positive voltage in the range of 1.5V to 10V to the corresponding negative voltage, making it highly useful for systems that require a dual supply from a single power source.
• Low Power Consumption: With a typical quiescent current of only 120µA, this voltage converter is designed for battery-operated and power-sensitive applications, ensuring minimal impact on the overall power budget.
• High Frequency Operation: Operating at a 10kHz switching frequency, the LTC1044AIN8 allows for smaller capacitors, thereby reducing the size and cost of the overall power supply design.
• No External Diode: Unlike many traditional charge pumps, this device does not require an external diode, simplifying the circuit and saving board space.
• Package: The LTC1044AIN8 comes in an 8-pin PDIP package, which is suitable for through-hole mounting, making it easy to integrate into a variety of circuit boards.

Applications

• Portable battery-powered equipment
• Operational amplifier power supplies
• Memory backup supplies
• ±5V supplies from a single 5V input
• On-board negative voltage generation

The LTC1044AIN8 is an ideal solution for designers looking to create compact, efficient, and reliable power supply systems. Its ability to invert and double voltages without the need for an inductor makes it a unique and valuable component in the design of modern electronic devices. Whether you're working on portable devices, energy-efficient power supplies, or any other application that requires a negative voltage rail, the LTC1044AIN8 provides a straightforward, effective solution.