TC7660HEOA713

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter/Inverter
• Characteristics: Low-power, high-efficiency, voltage conversion
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Converts input voltage to a negative output voltage
• Packaging/Quantity: Available in reels of 2500 units

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 Rejection Ratio: 60dB
• Switching Frequency: 10kHz

Detailed Pin Configuration

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. C1- (Negative Terminal of Capacitor 1)
5. C1+ (Positive Terminal of Capacitor 1)
6. C2+ (Positive Terminal of Capacitor 2)
7. C2- (Negative Terminal of Capacitor 2)
8. V+ (Positive Supply Voltage)

Functional Features

• Voltage Conversion: Converts positive input voltage to negative output voltage.
• Low Power Consumption: Operates with low power consumption, making it suitable for battery-powered devices.
• High Efficiency: Provides efficient voltage conversion, minimizing power loss.
• Wide Input Voltage Range: Accepts a wide range of input voltages, enhancing versatility.

Advantages

• Compact Size: The 8-pin SOIC package allows for space-saving integration into various electronic devices.
• Cost-Effective: Offers an affordable solution for voltage conversion needs.
• Easy Integration: Simple pin configuration and straightforward operation facilitate easy integration into circuit designs.

Disadvantages

• Limited Output Current: The maximum output current of 20mA may not be sufficient for high-power applications.
• Narrow Temperature Range: Operating temperature range limited to -40°C to +85°C, which may restrict certain industrial applications.

Working Principles

The TC7660HEOA713 is based on charge pump technology. It utilizes a switched-capacitor network to convert the input voltage into a negative output voltage. By employing capacitors and switches, it generates an inverted voltage that can be used in various electronic circuits.

Detailed Application Field Plans

1. Battery-Powered Devices: The TC7660HEOA713 is commonly used in portable electronic devices such as smartphones, tablets, and handheld gaming consoles. It efficiently converts the battery's positive voltage to a negative voltage required by certain components.
2. Audio Amplifiers: In audio amplification circuits, this IC can generate a negative supply voltage needed for powering operational amplifiers or other audio processing components.
3. LCD Displays: LCD panels often require a negative voltage bias. The TC7660HEOA713 can provide the necessary negative voltage for driving LCD displays in devices like digital cameras and portable media players.

Detailed and Complete Alternative Models

1. ICL7660CPA: Similar to TC7660HEOA713, but available in a DIP (Dual Inline Package) format.
2. MAX1044: Another voltage converter IC with similar functionality, offered by Maxim Integrated.
3. LT1054: A versatile voltage converter IC from Linear Technology, suitable for various applications.

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