ICL7660CSA

Product Overview

Category

ICL7660CSA belongs to the category of integrated circuits (ICs).

Use

ICL7660CSA is commonly used as a voltage converter or voltage regulator in electronic circuits.

Characteristics

• Voltage conversion: ICL7660CSA can convert input voltages ranging from 1.5V to 10V into negative output voltages.
• Efficiency: It offers high efficiency in voltage conversion, making it suitable for low-power applications.
• Low quiescent current: The device has a low quiescent current, which helps in reducing power consumption.
• Temperature range: ICL7660CSA operates within a wide temperature range, typically from -40°C to +85°C.

Package

ICL7660CSA is available in a small outline package (SOIC) with eight pins.

Essence

The essence of ICL7660CSA lies in its ability to generate negative voltages from positive inputs, enabling various applications in electronic circuits.

Packaging/Quantity

ICL7660CSA is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: -1.5V to -10V
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

ICL7660CSA features eight pins arranged as follows:

```

---

| | --| V+ GND |-- Pin 1: Positive Supply Voltage (V+) --| VIN VOUT|-- Pin 2: Input Voltage (VIN) / Output Voltage (VOUT) --| OSC GND |-- Pin 3: Oscillator (OSC) / Ground (GND) --| C1 C2 |-- Pins 4 and 5: External Capacitors (C1, C2) --| GND V- |-- Pin 6: Ground (GND) / Negative Output Voltage (V-) --| NC NC |-- Pins 7 and 8: No Connection (NC) |___________| ```

Functional Features

• Voltage Conversion: ICL7660CSA can convert a positive input voltage into a negative output voltage.
• Voltage Regulation: It provides stable and regulated negative voltages for various electronic components.
• Low Power Consumption: The device operates with low quiescent current, minimizing power consumption.
• Overload Protection: ICL7660CSA incorporates protection features to prevent damage from excessive current or voltage.

Advantages and Disadvantages

Advantages

• Compact Size: ICL7660CSA comes in a small package, making it suitable for space-constrained applications.
• High Efficiency: It offers efficient voltage conversion, reducing power wastage.
• Wide Temperature Range: The device can operate within a wide temperature range, enhancing its versatility.

Disadvantages

• Limited Voltage Range: ICL7660CSA is designed for voltage conversion within a specific range, limiting its applicability in certain scenarios.
• External Capacitors Required: To ensure proper operation, external capacitors need to be connected to the device.

Working Principles

ICL7660CSA utilizes charge pumps to generate negative voltages. It employs an oscillator to control the switching of internal switches, which alternately charges and discharges external capacitors. This process results in the generation of a negative voltage that can be regulated and used in electronic circuits.

Detailed Application Field Plans

ICL7660CSA finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to generate negative voltages required by certain components in portable electronic devices.
2. Audio Systems: ICL7660CSA enables the generation of negative supply voltages for audio amplifiers and other audio-related circuits.
3. Industrial Automation: The device can be employed in industrial automation systems that require regulated negative voltages for control circuitry.
4. Telecommunications: ICL7660CSA is suitable for telecommunications equipment that needs negative voltage conversion.

Detailed and Complete Alternative Models

Some alternative models to ICL7660CSA include:

• MAX1044: A similar voltage converter IC with comparable specifications.
• LTC1044: Another voltage converter IC offering similar functionality.
• ICL7660S: A variant of ICL7660CSA with a different package type.

These alternative models can be considered based on specific requirements and availability.

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