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ICL7660ESA+T

Name: ICL7660ESA+T
Rating: 4.7 (12 reviews)

IC REG CHARGE PUMP 20MA 8SOIC

Производитель
Мфр. Часть #ICL7660ESA+T
Пакет
Лист данных ICL7660ESA+T DataSheet
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Спецификации

Part Status	Active
Function	Ratiometric
Output Configuration	Positive or Negative
Topology	Charge Pump
Output Type	Fixed
Number of Outputs	1
Voltage - Input (Min)	1.5V
Voltage - Input (Max)	10V
Voltage - Output (Min/Fixed)	-Vin, nVin, Vin/2
Current - Output	20mA
Frequency - Switching	10kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	ICL7660

Обзор

Description

The ICL7660ESA+T is a charge pump voltage converter IC designed to generate a negative voltage from a positive input voltage. It operates efficiently at voltages between 1.5V to 12V, making it suitable for various applications, including battery-powered devices and portable electronics. The ICL7660 can deliver up to 20 mA of output current while providing a regulated negative voltage, typically doubling the input voltage for conversion.
This IC features low quiescent current, high efficiency, and built-in protection against short circuits. It adopts a simple external component configuration, requiring primarily capacitors for operation, which simplifies the design process.
Key applications include audio circuits, op-amps, and other analog devices that require a negative supply rail. The ICL7660 is available in an 8-pin DIP package, facilitating easy integration into existing designs.

Features

The ICL7660ESA+T is a high-performance voltage converter and inverter designed for various applications. Key features include:
1. Voltage Conversion: Converts a positive supply voltage into a negative voltage, typically used to generate -5V from a +5V source.
2. Output Current: Provides up to 20 mA of output current, suitable for driving loads.
3. High Efficiency: Operates with high efficiency, minimizing power loss during conversion.
4. Wide Operating Range: Supports input voltages from 3V to 15V.
5. Low Quiescent Current: Consumes minimal quiescent current, enhancing battery life in portable applications.
6. Built-in Oscillator: Integrates a built-in oscillator for efficient operation, simplifying circuit design.
7. Compact Package: Available in an 8-pin DIP or SOIC package, facilitating easy integration into various designs.
These features make the ICL7660ESA+T suitable for applications such as LCD display driving, operational amplifier circuits, and other analog signal processing tasks.

Package

The ICL7660ESA+T is packaged in an 8-lead dual in-line (DIP) package, specifically the 8-PDIP (Plastic Dual In-Line Package) type. It is designed for easy integration into various electronic circuits, providing voltage conversion capabilities.

Pinout

The ICL7660ESA+T is a charge pump voltage inverter IC with a total of 8 pins. Here is the pin count and their functions:
1. Pin 1 (V+): Positive supply voltage input (typically +4V to +15V).
2. Pin 2 (V-): Negative supply voltage output (inverted voltage).
3. Pin 3 (GND): Ground.
4. Pin 4 (CAP+): Capacitor connection for charge storage.
5. Pin 5 (CAP-): Capacitor connection for discharge and charge balance.
6. Pin 6 (SW): Switch control for the internal charge pump process.
7. Pin 7 (VOUT): Output voltage, provides the inverted voltage.
8. Pin 8 (C1, C2): External capacitor connection for charge pump operation.
The ICL7660ESA+T is commonly used in applications requiring negative voltage generation from a positive supply, such as operational amplifiers and other analog circuits.

Manufacturer

The ICL7660ESA+T is manufactured by Integrated Circuit Systems, Inc. (ICS), which is a division of NXP Semiconductors. NXP is a global semiconductor company that designs and produces various electronic components, including analog and digital integrated circuits, microcontrollers, and connectivity solutions. NXP serves a wide range of industries, including automotive, industrial, and consumer electronics, focusing on providing innovative technologies for secure connectivity and processing. The ICL7660 is specifically known for its use as a voltage converter, allowing for the generation of negative voltages from a positive supply, making it useful in various electronic applications.

Application

The ICL7660ESA+T is a versatile charge pump voltage converter used in various applications, including:
1. Generating negative voltages from positive supply voltages.
2. Power supply circuits for op-amps and analog devices.
3. Biasing circuits for sensors and LCDs.
4. Portable device power management.
5. Battery-powered systems where compact voltage conversion is required.
Its efficiency and small package make it suitable for space-constrained designs.

Equivalent

Equivalent products to the ICL7660ESA+T include the MAX660, LTC1044, and TC7660. These devices are often used for voltage inversion or generation and share similar functionality. Always verify specifications to ensure compatibility in your specific application.

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