TC7660HCOA713

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: High-efficiency, low-power, voltage conversion
• Package: SOIC-8
• Essence: Converts input voltage to a regulated output voltage
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 1.5V to 12V
• Output Voltage Range: -1.5V to -12V
• Output Current: Up to 20mA
• Operating Temperature Range: -40°C to +85°C
• Conversion Efficiency: Up to 99%
• Quiescent Current: 150µA (typical)

Detailed Pin Configuration

The TC7660HCOA713 IC has the following pin configuration:

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

Functional Features

• Voltage Conversion: The TC7660HCOA713 is designed to convert a positive input voltage into a regulated negative output voltage.
• High Efficiency: With a conversion efficiency of up to 99%, it minimizes power loss during voltage conversion.
• Low Power Consumption: The quiescent current of only 150µA ensures minimal power consumption when the device is idle.
• Wide Input Voltage Range: It can accept input voltages ranging from 1.5V to 12V, providing flexibility in various applications.
• Compact Package: The SOIC-8 package offers a compact form factor, making it suitable for space-constrained designs.

Advantages and Disadvantages

Advantages

• High conversion efficiency reduces power loss.
• Low quiescent current minimizes power consumption.
• Wide input voltage range allows for versatile applications.
• Compact package enables space-saving designs.

Disadvantages

• Limited output current capacity (up to 20mA).
• Requires external capacitors for frequency control and voltage conversion.

Working Principles

The TC7660HCOA713 utilizes charge-pump voltage conversion technology. It employs an internal oscillator to generate a clock signal that controls the charge and discharge of external capacitors. By alternating the charging and discharging phases, the IC converts the positive input voltage into a regulated negative output voltage.

Detailed Application Field Plans

The TC7660HCOA713 finds applications in various fields, including:

1. Portable Electronics: Provides a negative voltage supply for LCD displays, backlighting, and audio amplifiers in portable devices.
2. Industrial Automation: Used in control systems, sensors, and actuators that require a negative voltage source.
3. Automotive Electronics: Enables the operation of negative voltage-dependent components in automotive systems, such as infotainment systems and lighting modules.
4. Telecommunications: Supports negative voltage requirements in telecommunication equipment, including routers, switches, and base stations.

Detailed and Complete Alternative Models

1. ICL7660CBAZ: Similar functionality with a different package (DIP-8).
2. MAX1044CPA+: Offers higher output current capability (up to 50mA) but requires additional external components.
3. LT1054CN8: Provides adjustable output voltage and higher output current (up to 100mA), suitable for demanding applications.

These alternative models offer similar voltage conversion capabilities but may have variations in package type, output current, or additional features.

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