Maxim Integrated ICL7660ESA+T Voltage Converter

The ICL7660ESA+T from Maxim Integrated is a highly efficient, monolithic, CMOS voltage converter that offers a simple solution for generating a negative voltage from a positive input voltage. This versatile device is particularly suitable for battery-powered applications due to its low power consumption and compact SOIC package.

Key Features:

• Wide Input Voltage Range: The ICL7660ESA+T operates with an input voltage range from 1.5V to 10V, making it suitable for a variety of power sources, including standard 3V, 5V, and 9V batteries.
• High Power Efficiency: Thanks to its CMOS construction, the device boasts a quiescent current of only 1.5mA (typical), which is significantly lower than bipolar alternatives, thereby enhancing battery life in portable applications.
• Adjustable Output Voltage: The output voltage is easily set by two external capacitors, providing designers with flexibility in their circuit designs. It can invert the input voltage or double it, depending on the configuration.
• No External Diode Required: Unlike many other charge pump converters, the ICL7660ESA+T does not require an external diode, simplifying circuit design and reducing component count.
• High Output Current: Capable of delivering up to 20mA output current, this voltage converter can power a wide range of low-power devices and circuits.
• SOIC Package: The device comes in a small 8-pin SOIC package, which is ideal for space-constrained applications.

Applications:

The ICL7660ESA+T is versatile and can be used in various applications including:

• Portable Instruments
• Operational Amplifier Power Supplies
• Memory Backup Supplies
• Data Acquisition Systems
• Handheld Devices

With its robust design and high efficiency, the ICL7660ESA+T from Maxim Integrated is a reliable choice for designers looking to incorporate a negative voltage rail or increased voltage flexibility in their electronic designs. Its ease of use, coupled with the support and quality assurance from Maxim Integrated, makes it a go-to component for power supply solutions.