TC7660SCOA713

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics:
  • Converts a positive input voltage to a corresponding negative output voltage
  • Low power consumption
  • Small package size
• Package: SOIC-8
• Essence: Voltage conversion from positive to negative
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: -1.5V to -10V
• Output Current: Up to 20mA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 1.5V to 10V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The TC7660SCOA713 has the following pin configuration:

1. GND (Ground)
2. VOUT (Negative Output Voltage)
3. VIN (Positive Input Voltage)
4. OSC (Oscillator Frequency Control)
5. C1- (Negative Terminal of Flying Capacitor 1)
6. C1+ (Positive Terminal of Flying Capacitor 1)
7. C2+ (Positive Terminal of Flying Capacitor 2)
8. C2- (Negative Terminal of Flying Capacitor 2)

Functional Features

• Voltage Conversion: The TC7660SCOA713 is designed to convert a positive input voltage to a corresponding negative output voltage.
• Oscillator Frequency Control: The OSC pin allows for adjusting the frequency of the internal oscillator, enabling fine-tuning of the voltage conversion process.
• Flying Capacitors: The IC utilizes two flying capacitors (C1 and C2) to facilitate the voltage conversion.

Advantages and Disadvantages

Advantages: - Efficient voltage conversion - Low power consumption - Small package size

Disadvantages: - Limited output current capacity (up to 20mA) - Restricted input and output voltage ranges

Working Principles

The TC7660SCOA713 operates based on charge-pump voltage conversion. It utilizes an internal oscillator to generate a square wave, which is then used to control the charging and discharging of the flying capacitors. By alternately connecting the capacitors in series and parallel with the input and output voltages, the IC achieves the desired negative voltage conversion.

Detailed Application Field Plans

The TC7660SCOA713 finds applications in various fields, including:

1. Portable Electronics: Used in battery-powered devices where negative voltage is required for specific components or functions.
2. Audio Systems: Enables the generation of negative supply voltages for audio amplifiers, allowing for improved audio quality.
3. Industrial Automation: Utilized in control systems that require negative voltage levels for specific sensors or actuators.
4. Automotive Electronics: Integrated into automotive circuits where negative voltage is necessary for certain modules or subsystems.

Detailed and Complete Alternative Models

1. ICL7660CPA: Similar voltage converter IC with identical pin configuration and specifications.
2. MAX1044CPA: Another alternative offering voltage conversion capabilities with comparable performance.
3. LT1054CN8: Integrated circuit providing similar functionality and features as the TC7660SCOA713.

Note: The above alternatives are suggested based on their similarity in terms of voltage conversion and pin compatibility. However, it is recommended to refer to the respective datasheets for detailed specifications and suitability for specific applications.

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