Maxim Integrated ICL7660CUA+ Voltage Converter

The ICL7660CUA+ is a highly efficient, monolithic, CMOS voltage converter manufactured by Maxim Integrated. This device is designed to easily convert a positive voltage in the range of 1.5V to 10V to the corresponding negative voltage of the same magnitude. The ICL7660CUA+ is an ideal choice for applications that require a negative supply voltage generated from a positive input, such as battery-powered devices, and portable consumer electronics.

Featuring a simple charge pump architecture, the ICL7660CUA+ does not require any inductors, making it a compact and noise-free solution for space-constrained applications. The device can deliver an output current up to 20mA with a typical voltage conversion efficiency of 99.9% at no load, ensuring minimal power loss during the voltage inversion process.

The ICL7660CUA+ comes in a small 8-pin SOIC package, making it suitable for surface mount technology (SMT) and ideal for integration into a wide range of electronic circuits. Its operating temperature range of -40°C to +85°C allows for use in various environments, from industrial to commercial applications.

Key features of the ICL7660CUA+ include:

• Simple Voltage Conversion from Positive to Negative
• Wide Input Voltage Range: 1.5V to 10V
• Output Current up to 20mA
• High Power Efficiency
• No External Inductor Required
• Low Power Consumption
• 8-Pin SOIC Package for SMT
• Operating Temperature Range: -40°C to +85°C

This voltage converter is particularly useful in situations where a dual power supply is needed but only a single polarity source is available. Common applications include memory backup for SRAM, power supply biasing, operational amplifier circuits, and interface power supply conversion.

Overall, the Maxim Integrated ICL7660CUA+ is a reliable, cost-effective solution for generating a negative voltage rail in a variety of electronic applications. Its ease of use, combined with high efficiency and minimal external component requirements, make it a versatile choice for designers and engineers looking to simplify their power supply designs.