ICL7660CBAZ-T

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ICL7660CBAZ-T

+BOM

IC REG CHARG PUMP INV 45MA 8SOIC

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사양

속성 가치
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, 2Vin
Current - Output 45mA
Frequency - Switching 10kHz
Synchronous Rectifier No
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ICL7660

개요

Description

The ICL7660CBAZ-T is a high-performance voltage converter integrated circuit (IC) designed to generate negative voltage from a positive supply. It operates with an input voltage range of 1.5V to 12V and can produce a negative output voltage equal in magnitude to the input voltage. This makes it ideal for applications requiring dual power supplies, such as operational amplifiers and sensors.
Key features include a low quiescent current, high efficiency, and the ability to drive capacitive loads effectively. The IC uses a switched-capacitor charge pump topology, enabling it to achieve the negative output without the need for inductors, which simplifies circuit design and reduces size.
The ICL7660CBAZ-T is available in an 8-pin SOIC package, making it suitable for compact applications. It is widely used in portable electronics, battery-operated devices, and instrumentation systems. Overall, it provides a reliable solution for generating negative voltages in various electronic applications.

Equivalent

The ICL7660CBAZ-T chip, a voltage converter, has several equivalent products, including the MAX660, LTC1044, and the TC7660. These devices also perform voltage inversion and can be used in similar applications. Always verify specifications and pin compatibility when substituting.

Features

The ICL7660CBAZ-T is a voltage converter IC designed for generating negative voltages or doubling positive voltages. Key features include:
1. Voltage Conversion: Converts +5V to -5V or doubles positive voltages.
2. Output Current: Capable of supplying load currents up to 20 mA.
3. Efficiency: High efficiency with low quiescent current, making it suitable for battery-powered applications.
4. Operating Voltage Range: Supports a wide range of input voltages from 3V to 15V.
5. Low Ripple: Provides low output ripple voltage, enhancing performance in sensitive applications.
6. Simple Circuit Design: Requires minimal external components, simplifying integration into existing circuits.
7. Package: Available in an 8-pin SOIC package, suitable for compact designs.
8. Thermal Shutdown: Features built-in thermal protection for reliable operation.
These characteristics make the ICL7660CBAZ-T ideal for applications such as LCD biasing, operational amplifier supplies, and other low-power, negative voltage requirements.

Pinout

The ICL7660CBAZ-T is a voltage converter IC with a total of 8 pins. The pin configuration and their functions are as follows:
1. V+: Positive supply voltage (typically +3V to +15V).
2. GND: Ground reference.
3. SW: Switching node for the internal oscillator and charge pump.
4. VOUT: Output voltage (inverted relative to V+).
5. C1+: Positive terminal of the external capacitor for the charge pump.
6. C1-: Negative terminal of the external capacitor for the charge pump.
7. C2+: Positive terminal of the output capacitor.
8. C2-: Negative terminal of the output capacitor.
The ICL7660CBAZ-T is primarily used to generate a negative voltage from a positive supply, making it suitable for applications that require dual supply voltages.

Manufacturer

The ICL7660CBAZ-T is manufactured by Intersil, which is a subsidiary of Renesas Electronics Corporation. Intersil specializes in designing and supplying high-performance analog and mixed-signal integrated circuits. The company is known for its innovations in power management, signal processing, and data conversion technologies.
Renesas itself is a prominent global semiconductor manufacturer based in Japan, focusing on microcontrollers, analog, power, and system-on-chip solutions. Established through the merger of several semiconductor companies, Renesas has a strong presence in various markets, including automotive, industrial, and consumer electronics. Their products are essential for enabling advanced technologies in various applications, from automotive systems to IoT devices.
Overall, Intersil, under Renesas, plays a significant role in the semiconductor industry by providing high-quality components that facilitate efficient electronic designs.

Application

The ICL7660CBAZ-T is a versatile voltage converter primarily used in applications requiring voltage inversion or generation of negative voltage. Its key application areas include battery-powered devices, portable instrumentation, and analog signal processing. It is often utilized in op-amp circuits to create dual power supplies, powering sensors and amplifiers with negative rail requirements. Additionally, it finds use in LCD biasing, LED drivers, and in systems where low-power voltage supply conversion is essential. Its low quiescent current makes it suitable for energy-efficient designs.

Package

The ICL7660CBAZ-T is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for compact applications and provides efficient thermal and electrical performance.

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