ICL7660ISA+T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter

Characteristics: - Converts input voltage to a negative output voltage - Low power consumption - Wide operating voltage range - Small package size - High efficiency

Package: SOIC (Small Outline Integrated Circuit)

Essence: The ICL7660ISA+T is an integrated circuit that serves as a voltage converter. It takes an input voltage and converts it into a negative output voltage.

Packaging/Quantity: The ICL7660ISA+T is typically sold in reels, with 2,500 units per reel.

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: -1.5V to -10V
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 160µA (typical)
• Output Current: 10mA (maximum)

Detailed Pin Configuration

The ICL7660ISA+T has eight pins, which are labeled as follows:

1. GND: Ground connection
2. VOUT: Negative output voltage
3. VIN: Positive input voltage
4. OSC: Oscillator frequency control
5. C1-: Capacitor connection for oscillator frequency control
6. C1+: Capacitor connection for oscillator frequency control
7. C2+: Capacitor connection for voltage conversion
8. C2-: Capacitor connection for voltage conversion

Functional Features

• Voltage Conversion: The ICL7660ISA+T efficiently converts a positive input voltage into a negative output voltage.
• Oscillator Frequency Control: The oscillator frequency can be adjusted using external capacitors connected to the OSC, C1-, and C1+ pins.
• Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide Operating Voltage Range: The ICL7660ISA+T can operate with input voltages ranging from 1.5V to 10V.

Advantages and Disadvantages

Advantages: - Compact Size: The small package size of the ICL7660ISA+T makes it suitable for space-constrained applications. - High Efficiency: The IC offers high efficiency in converting voltages, minimizing power losses. - Versatile: It can be used in various electronic circuits requiring negative voltage supply.

Disadvantages: - Limited Output Current: The maximum output current of 10mA may not be sufficient for high-power applications. - Temperature Sensitivity: The operating temperature range is limited to -40°C to +85°C, which may restrict its use in extreme environments.

Working Principles

The ICL7660ISA+T utilizes charge pumps to convert the input voltage into a negative output voltage. It employs an internal oscillator to control the switching of capacitors, resulting in voltage inversion. By regulating the oscillator frequency and using external capacitors, the desired output voltage can be achieved.

Detailed Application Field Plans

The ICL7660ISA+T finds applications in various fields, including:

1. Portable Electronics: It can be used in portable devices that require a negative voltage supply, such as handheld instruments and communication devices.
2. Audio Systems: The IC can be utilized in audio systems to generate a negative voltage for biasing purposes or powering specific components.
3. Industrial Automation: It can be employed in industrial automation systems where negative voltage is required for specific sensors or actuators.
4. Automotive Electronics: The ICL7660ISA+T can find application in automotive electronics for generating negative voltages needed by certain components.

Detailed and Complete Alternative Models

1. MAX660CPA+: This IC offers similar voltage conversion capabilities and is available in a DIP package.
2. ICL7660CBAZ-T: This alternative model provides the same functionality but comes in a different package (SOT-23).

These alternative models can be considered based on specific requirements, package preferences, or availability.

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