ICL7660CBAZ

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 - Compact package size - High efficiency

Package: CERDIP (Ceramic Dual In-Line Package)

Essence: The ICL7660CBAZ is a monolithic CMOS voltage converter that provides an easy and efficient way to generate a negative voltage from a positive input voltage.

Packaging/Quantity: The ICL7660CBAZ is available in a CERDIP package and is typically sold in reels of 250 units.

Specifications

• Input Voltage Range: 1.5V to 10V
• 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
• Switching Frequency: 10kHz

Detailed Pin Configuration

The ICL7660CBAZ has eight pins, which are labeled as follows:

1. GND (Ground)
2. V+ (Positive Power Supply)
3. OSC (Oscillator)
4. VOUT (Negative Output Voltage)
5. CAP+ (Positive Capacitor Terminal)
6. CAP- (Negative Capacitor Terminal)
7. VIN (Positive Input Voltage)
8. NC (No Connection)

Functional Features

• Voltage Conversion: The ICL7660CBAZ converts a positive input voltage into a negative output voltage.
• Oscillator: The oscillator generates the switching frequency for the voltage conversion process.
• Capacitor Terminals: The capacitor terminals (CAP+ and CAP-) are used to connect external capacitors for stability and filtering.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating voltage range - Compact package size - High efficiency

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

Working Principles

The ICL7660CBAZ utilizes a charge pump voltage converter circuit to generate a negative output voltage. It operates by charging and discharging external capacitors in a controlled manner, resulting in the desired voltage conversion.

Detailed Application Field Plans

The ICL7660CBAZ finds applications in various fields, including:

1. Portable Electronics: Used to generate a negative voltage for LCD displays, audio amplifiers, and other components.
2. Industrial Automation: Provides a negative voltage source for control systems, sensors, and actuators.
3. Automotive Electronics: Used in automotive systems that require a negative voltage supply, such as lighting controls and motor drivers.

Detailed and Complete Alternative Models

1. MAX660CPA: Similar voltage converter IC with comparable specifications and pin configuration.
2. LTC1044CN8: Another alternative offering voltage conversion capabilities with different features and performance characteristics.
3. ICL7660SCPAZ: Variant of the ICL7660CBAZ with a different package type (SOP) but similar functionality.

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