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ICL7660CPA+

ICL7660CPA+ Description

The ICL7660CPA+ from Analog Devices Inc./Maxim Integrated is a monolithic CMOS charge pump voltage converter designed to generate negative or positive output voltages from a single positive supply. This fixed-output regulator operates with an input voltage range of 1.5V to 10V, delivering up to 20mA of output current at a switching frequency of 10kHz. Housed in an 8-pin DIP (Through Hole) package, it features a ratiometric function, ensuring stable performance across varying input conditions. The device is RoHS3 compliant and rated for operating temperatures of 0°C to 70°C, making it suitable for industrial and commercial applications.

ICL7660CPA+ Features

• Wide Input Voltage Range (1.5V–10V): Supports diverse power sources, including batteries and low-voltage supplies.
• Dual Output Configuration: Generates positive or negative voltages, enhancing design flexibility.
• Low Power Consumption: CMOS technology ensures efficient operation with minimal energy loss.
• No External Synchronous Rectifier Required: Simplifies circuit design and reduces BOM cost.
• Ratiometric Function: Maintains consistent performance despite input voltage fluctuations.
• Robust Packaging: MSL 1 (Unlimited) rating ensures reliability in humid environments.
• Industry-Standard Compliance: REACH unaffected and EAR99/ECCN certified for global use.

ICL7660CPA+ Applications

• Voltage Inversion: Converts +5V to -5V for analog circuits (e.g., op-amp supplies).
• Portable Electronics: Powers LCD bias, sensors, and data acquisition systems in battery-operated devices.
• Signal Conditioning: Provides negative rails for instrumentation and communication systems.
• Low-Cost Power Solutions: Ideal for consumer electronics, such as audio amplifiers and handheld test equipment.
• Industrial Controls: Used in motor drives and automation systems requiring dual-polarity supplies.

Conclusion of ICL7660CPA+

The ICL7660CPA+ stands out as a versatile, cost-effective solution for voltage conversion, offering simplicity, efficiency, and reliability. Its wide input range, dual-output capability, and low external component count make it superior to discrete designs and older charge pumps. Whether for portable, industrial, or consumer applications, this IC delivers stable performance while minimizing design complexity. A proven choice for engineers seeking a compact, high-performance voltage regulator.