ICL7665CSA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter and Regulator

Characteristics: - Low-power, high-efficiency voltage converter - Provides regulated positive or negative output voltage - Suitable for battery-powered applications - Can be used as a voltage doubler or inverter

Package: SOIC (Small Outline Integrated Circuit)

Essence: The ICL7665CSA+ is a versatile voltage converter IC that offers efficient power management solutions for various electronic devices.

Packaging/Quantity: The ICL7665CSA+ is available in a standard reel packaging with 2,500 units per reel.

Specifications

• Input Voltage Range: -0.3V to 12V
• Output Voltage Range: -1.5V to 10.5V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 4.5V to 16V
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.01µA (typical)

Pin Configuration

The ICL7665CSA+ has the following pin configuration:

___________ V+ --| |-- GND IN --| |-- OUT SHDN --| | |___________|

• V+: Positive supply voltage input
• IN: Input voltage
• GND: Ground reference
• OUT: Output voltage
• SHDN: Shutdown control input

Functional Features

1. Voltage Conversion: The ICL7665CSA+ can convert an input voltage into a regulated positive or negative output voltage.
2. Efficiency: It offers high efficiency, making it suitable for battery-powered applications.
3. Versatility: The IC can be used as a voltage doubler or inverter, providing flexibility in various electronic circuits.
4. Shutdown Control: The SHDN pin allows for easy power management by enabling or disabling the IC's operation.

Advantages and Disadvantages

Advantages: - Low quiescent current consumption - Wide input voltage range - High efficiency - Compact SOIC package

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external components for specific applications

Working Principles

The ICL7665CSA+ operates based on a charge pump voltage converter principle. It uses internal switches and capacitors to convert the input voltage into a regulated output voltage. By controlling the switching of these internal components, the IC can generate positive or negative output voltages with high efficiency.

Detailed Application Field Plans

The ICL7665CSA+ finds applications in various fields, including but not limited to:

1. Battery-Powered Devices: It is commonly used in portable electronic devices such as smartphones, tablets, and handheld gaming consoles to efficiently manage power supply and extend battery life.
2. Automotive Electronics: The IC can be utilized in automotive applications for voltage conversion and regulation, ensuring stable power delivery to different components.
3. Industrial Automation: It finds application in industrial automation systems where efficient voltage conversion is required for powering sensors, actuators, and control circuits.
4. Telecommunications: The IC can be employed in telecommunications equipment for voltage regulation and conversion, ensuring reliable operation of communication devices.

Detailed and Complete Alternative Models

1. MAX660CPA: Voltage Converter and Regulator IC with similar specifications and functionality.
2. LT1054CN8: Another alternative IC offering voltage conversion and regulation capabilities.
3. MC34063AP1: Integrated Circuit with similar voltage converter features suitable for various applications.

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

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