LTC1054IS8 - High Performance Switched-Capacitor Voltage Converter

The LTC1054IS8 is a high-performance, switched-capacitor voltage converter manufactured by Linear Technology, now part of Analog Devices. Designed to provide reliable and efficient voltage conversion, the LTC1054IS8 is a versatile component suitable for a wide range of electronic applications. Its primary function is to generate a regulated negative voltage from a positive input voltage, making it an excellent choice for systems that require a dual power supply from a single positive supply rail.

This voltage converter is housed in an 8-lead SOIC package, ensuring a compact footprint for space-constrained applications. The device is characterized by its high frequency operation, which allows for small external capacitors, thereby saving board space and reducing overall system cost. The LTC1054IS8 is also notable for its low power consumption, making it an ideal solution for battery-powered and portable devices where power efficiency is critical.

Key features of the LTC1054IS8 include its no external diode requirement for pump protection, which simplifies circuit design and enhances reliability. Additionally, it offers a typical open-circuit voltage conversion efficiency of 99.9% and a power efficiency of 95%, providing excellent performance for demanding applications. The device also includes built-in thermal protection to safeguard against overheating, ensuring stable operation under various conditions.

The LTC1054IS8 operates over a wide input voltage range, typically from 3.5V to 15V, and can deliver an output current up to 10mA with a corresponding drop in efficiency. This makes it a flexible choice for numerous applications, including memory backup for SRAM, data acquisition systems, and LCD panel biasing. Its low output impedance and the ability to deliver higher currents with additional external components make it a robust choice for designers looking to implement a negative voltage supply in their systems.

In summary, the LTC1054IS8 from Linear Technology is a high-performance switched-capacitor voltage converter that offers ease of use, high efficiency, and compact packaging. It is an excellent choice for designers who require a negative voltage generator with minimal external components and reliable operation.