Linear Technology's LT1054 High Efficiency Switched-Capacitor Voltage Converter

The LT1054 from Linear Technology is a versatile and robust switched-capacitor voltage converter that provides high efficiency and reliability for a wide range of applications. This integrated circuit is designed to deliver a regulated output voltage with both positive and negative polarity from a single positive input voltage. It is an excellent choice for applications requiring an easy-to-use, compact solution for voltage inversion or doubling.

Key Features:

• Adjustable Output: The LT1054 can be configured to provide an output voltage that is either inverted or doubled relative to the input voltage, offering flexibility for various design requirements.
• High Efficiency: With its switched-capacitor design, the LT1054 achieves high conversion efficiency, minimizing power loss and heat generation in your system.
• Low Power Consumption: The device features a quiescent current of only 2.5mA, making it suitable for battery-powered and portable applications where power conservation is critical.
• Wide Input Voltage Range: The LT1054 operates with input voltages ranging from 3.5V to 15V, accommodating a broad spectrum of power sources.
• High Output Current: Capable of delivering up to 100mA of output current, the LT1054 can power a variety of loads, including op-amps, data converters, and small motors.
• Low Output Impedance: The device boasts a low output impedance, ensuring stable voltage supply even under varying load conditions.
• Frequency Operation: The switching frequency of the LT1054 is nominally 25kHz, which is high enough to avoid audible noise while keeping the size of external components small.

Applications:

The LT1054 is ideally suited for a multitude of applications, such as:

• Battery-powered equipment
• Portable instruments
• Operational amplifier power supplies
• Memory backup power supplies
• Interface power supplies

With its combination of efficiency, versatility, and ease of use, the LT1054 is an excellent choice for designers looking to implement a reliable voltage conversion solution in their products. Whether you are looking to invert your power supply voltage or need a simple voltage doubler, the LT1054 from Linear Technology is ready to meet your needs.