ICL7662EBD+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter/Regulator

Characteristics: - Low-power, monolithic CMOS voltage converter/regulator - Converts input voltage to a regulated negative output voltage - Suitable for use in various electronic devices

Package: DIP-8 (Dual In-line Package with 8 pins)

Essence: The ICL7662EBD+ is a voltage converter/regulator IC that converts an input voltage to a regulated negative output voltage. It is commonly used in electronic devices to provide a stable negative voltage supply.

Packaging/Quantity: The ICL7662EBD+ is available in a DIP-8 package, which contains 1 IC per package.

Specifications

• Input Voltage Range: 1.5V to 12V
• Output Voltage Range: -1.5V to -10V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Rejection Ratio: 80dB (typical)
• Quiescent Current: 120µA (typical)

Pin Configuration

The ICL7662EBD+ has the following pin configuration:

___________ Vout | 1 8 | Vin GND | 2 7 | C1+ C1- | 3 6 | C2- C2+ | 4 5 | OSC -----------

Functional Features

1. Voltage Conversion: The ICL7662EBD+ efficiently converts an input voltage to a regulated negative output voltage, allowing it to power circuits requiring a negative supply.
2. Low Power Consumption: This IC operates at low power, making it suitable for battery-powered devices and energy-efficient applications.
3. Wide Input Voltage Range: It can accept input voltages ranging from 1.5V to 12V, providing flexibility in various electronic systems.
4. Internal Oscillator: The internal oscillator generates the necessary clock signals for voltage conversion, eliminating the need for external components.

Advantages and Disadvantages

Advantages: - Efficient voltage conversion - Low power consumption - Wide input voltage range - Compact DIP-8 package - Internal oscillator simplifies circuit design

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external capacitors for proper operation

Working Principles

The ICL7662EBD+ utilizes a charge pump voltage converter/regulator architecture. It employs an internal oscillator to generate clock signals that control the charge transfer between capacitors. This charge transfer process effectively converts the input voltage to a regulated negative output voltage. The IC regulates the output voltage by adjusting the duty cycle of the clock signals.

Detailed Application Field Plans

The ICL7662EBD+ finds application in various electronic systems, including but not limited to: 1. Portable electronic devices 2. Battery-powered equipment 3. Audio amplifiers 4. Industrial control systems 5. Test and measurement instruments

Detailed and Complete Alternative Models

1. MAX660CPA+: Similar voltage converter/regulator IC with improved output current capability (up to 200mA).
2. ICL7660SCPAZ: Equivalent IC with slightly different pin configuration but similar functionality.
3. LTC1044CN8: Voltage converter/regulator IC with higher output current capacity (up to 150mA).

These alternative models provide options with varying specifications and features, allowing designers to choose the most suitable IC for their specific requirements.

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