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ICL7660AIBAZ

Name: ICL7660AIBAZ
Rating: 4.7 (12 reviews)

Switching Voltage Regulators

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概述

Description

The ICL7660AIBAZ is a charge pump voltage converter designed to generate a negative output voltage from a positive input voltage. It operates by using capacitors to store and transfer charge, enabling it to provide -1.5V to -15V output from a +1.5V to +15V input, depending on the configuration. This integrated circuit is commonly used in applications where negative voltage is required, such as powering op-amps or analog circuits.
Key features of the ICL7660AIBAZ include low supply current, high efficiency, and the ability to operate at high frequencies, making it suitable for compact designs. It can also function as a voltage inverter or a voltage doubler in specific configurations. The device is packaged in an 8-pin DIP or SOIC, which facilitates easy integration into various electronic systems. Its robustness and versatility make it a popular choice for engineers needing reliable voltage conversion solutions.

Features

The ICL7660AIBAZ is a precision voltage converter that can generate a negative voltage from a positive supply. Key features include:
1. Voltage Conversion: It can produce a negative output voltage up to -12V from a +5V supply.
2. High Efficiency: The device operates efficiently with low quiescent current.
3. Output Current: Capable of sourcing up to 20mA of output current.
4. Operating Voltage Range: Accepts input voltages from 1.5V to 12V.
5. Compact Package: Available in an 8-Pin SOIC package, ideal for space-constrained applications.
6. Low Noise: Designed to minimize output noise and ripple for stable performance.
7. Easy to Use: Requires minimal external components for operation.
8. Wide Temperature Range: Suitable for applications operating from -40°C to +85°C.
These features make the ICL7660AIBAZ suitable for various applications such as powering operational amplifiers, sensors, and other analog circuits that require negative voltage supplies.

Package

The ICL7660AIBAZ is packaged in a compact 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for ease of integration into electronic circuits.

Pinout

The ICL7660AIBAZ is a voltage converter IC with 8 pins. Its primary functions include converting positive voltage to negative voltage (voltage inversion) and providing a charge pump to generate a negative supply voltage from a positive input.
### Pin Count and Functions:
1. Pin 1 (V+): Positive supply voltage input.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (SW): Switch connection for internal charge pump operation.
4. Pin 4 (CAP+): Capacitor connection for the charge pump.
5. Pin 5 (CAP-): Capacitor connection for voltage inversion.
6. Pin 6 (VOUT): Output voltage (negative voltage).
7. Pin 7 (NC): No connection (not used).
8. Pin 8 (V-): Negative supply voltage output.
The ICL7660AIBAZ is commonly used in applications requiring dual-polarity power supplies or voltage inversion, making it valuable in various electronic circuits.

Manufacturer

The ICL7660AIBAZ is manufactured by Intersil, which is now a part of Renesas Electronics Corporation. Renesas is a semiconductor company that specializes in microcontrollers, analog and power devices, and system-on-chip (SoC) solutions. They serve a wide range of markets, including automotive, industrial, and consumer electronics, focusing on innovative technologies that enhance performance and efficiency in electronic designs.

Application

The ICL7660AIBAZ is a voltage inverter and regulator used in various applications, including battery-powered devices, LCD displays, and energy harvesting systems. It can generate negative voltage from a positive supply, making it suitable for operational amplifiers, analog signal conditioning, and powering negative rail circuits. Additionally, it's used in portable and low-power applications requiring voltage conversion and regulation.

Equivalent

Equivalent products to the ICL7660AIBAZ chip include the MAX660, LTC1044, and TC7660. These chips serve similar functions as voltage converters, utilizing charge-pump technology to generate negative voltages or boost voltages. Always check specific electrical characteristics and pin configurations for compatibility in your application.