ICL7662EBA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter/Regulator

Characteristics: - Low power consumption - Wide input voltage range - High output current capability - Compact package size

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The ICL7662EBA+ is a versatile voltage converter/regulator IC that provides efficient and reliable voltage conversion in various electronic applications.

Packaging/Quantity: The ICL7662EBA+ is typically 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 100mA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 1.5V to 12V
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.01µA (typical)

Detailed Pin Configuration

The ICL7662EBA+ features an 8-pin SOIC package with the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VOUT (Output Voltage): Provides the regulated output voltage.
3. VIN (Input Voltage): Accepts the input voltage to be converted.
4. SHDN (Shutdown): Controls the shutdown mode of the IC.
5. OSC (Oscillator): Connects external capacitors for frequency adjustment.
6. C1- (Negative Terminal of Capacitor 1): Connected to the negative terminal of the external capacitor.
7. C1+ (Positive Terminal of Capacitor 1): Connected to the positive terminal of the external capacitor.
8. C2 (Terminal of Capacitor 2): Connected to the external capacitor for voltage conversion.

Functional Features

• Voltage Conversion: The ICL7662EBA+ efficiently converts input voltages within the specified range to regulated output voltages.
• Shutdown Mode: The SHDN pin allows the IC to enter a low-power shutdown mode, reducing power consumption when not in use.
• Oscillator Frequency Adjustment: The OSC pin enables adjustment of the internal oscillator frequency by connecting external capacitors.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide input voltage range - High output current capability - Compact package size - Shutdown mode for power saving

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

Working Principles

The ICL7662EBA+ operates based on charge-pump voltage conversion principles. It utilizes an internal oscillator to generate a square wave that drives the charge pump circuitry. This charge pump circuitry converts the input voltage to a higher or lower regulated output voltage, depending on the application requirements.

Detailed Application Field Plans

The ICL7662EBA+ finds applications in various electronic systems, including but not limited to: 1. Battery-powered devices requiring voltage conversion/regulation. 2. Portable audio players and amplifiers. 3. LCD displays and backlighting circuits. 4. Industrial control systems. 5. Automotive electronics. 6. Telecommunications equipment.

Detailed and Complete Alternative Models

1. MAX660CPA+: Similar voltage converter/regulator IC with extended temperature range (-40°C to +125°C).
2. LTC1044CN8: Dual charge-pump voltage converter/regulator IC with higher output current capability (up to 150mA).
3. ICL7660SCPAZ: Voltage converter/regulator IC with adjustable output voltage and higher operating temperature range (-40°C to +85°C).

These alternative models offer similar functionality and can be considered as substitutes for the ICL7662EBA+ in various applications.

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