ICL7660CPAZ

Product Overview

Category

ICL7660CPAZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage converter or voltage regulator.

Characteristics

• ICL7660CPAZ is a monolithic CMOS voltage converter that provides an easy and efficient way to generate a negative voltage from a positive input.
• It can operate from input voltages ranging from 1.5V to 12V, making it suitable for various applications.
• The device is designed to deliver high efficiency with low power consumption.
• It offers a wide operating temperature range, ensuring reliability in different environments.

Package

ICL7660CPAZ is available in a small outline package (SOIC) with eight pins.

Essence

The essence of ICL7660CPAZ lies in its ability to convert positive input voltages into negative output voltages efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel or tube.

Specifications

• Input Voltage Range: 1.5V to 12V
• Output Voltage Range: -1.5V to -12V
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 160µA (typical)
• Conversion Efficiency: Up to 99%
• Output Current Capability: 10mA (maximum)

Detailed Pin Configuration

ICL7660CPAZ has the following pin configuration:

1. GND (Ground)
2. V+ (Positive Power Supply)
3. OSC (Oscillator Frequency Control)
4. CAP+ (Positive Flying Capacitor Terminal)
5. CAP- (Negative Flying Capacitor Terminal)
6. VOUT (Negative Output Voltage)
7. V- (Negative Power Supply)
8. VIN (Positive Input Voltage)

Functional Features

• Voltage Conversion: ICL7660CPAZ efficiently converts positive input voltages into negative output voltages.
• Oscillator Frequency Control: The OSC pin allows users to adjust the frequency of the internal oscillator, enabling customization for specific applications.
• Flying Capacitor Terminals: CAP+ and CAP- pins provide connections for external flying capacitors, enhancing voltage conversion efficiency.

Advantages and Disadvantages

Advantages

• High Efficiency: ICL7660CPAZ offers up to 99% conversion efficiency, minimizing power loss during voltage conversion.
• Wide Operating Voltage Range: It can operate from 1.5V to 12V, providing flexibility in various applications.
• Small Package Size: The SOIC package ensures a compact form factor, making it suitable for space-constrained designs.

Disadvantages

• Limited Output Current: With a maximum output current capability of 10mA, ICL7660CPAZ may not be suitable for high-current applications.
• Single Output Voltage: This product generates a fixed negative output voltage, limiting its versatility in certain scenarios.

Working Principles

ICL7660CPAZ utilizes a charge pump voltage converter architecture to generate a negative output voltage. It employs an internal oscillator to control the switching of capacitors, resulting in the desired voltage conversion. By utilizing CMOS technology, this IC achieves high efficiency and low power consumption.

Detailed Application Field Plans

ICL7660CPAZ finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to generate a negative voltage supply for LCD displays, sensors, or other components in portable devices.
2. Audio Equipment: This IC is suitable for audio circuits that require a negative voltage source, such as amplifiers or audio mixers.
3. Industrial Automation: ICL7660CPAZ can be employed in industrial control systems, providing a negative voltage for analog signal processing or sensor interfaces.

Detailed and Complete Alternative Models

Some alternative models to ICL7660CPAZ include:

1. MAX660CPA: A similar CMOS voltage converter with comparable specifications.
2. LTC1044CN8: Another voltage converter IC offering similar functionality.
3. ICL7660SCPAZ: A variant of ICL7660CPAZ with extended temperature range (-40°C to +125°C).

These alternative models can be considered based on specific requirements and availability.

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