ICL7660ACBAZA

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ICL7660ACBAZA

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IC REG CHARG PUMP INV 45MA 8SOIC

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仕様

属性 値
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) 12V
Voltage - Output (Min / Fixed) -Vin, 2Vin
Current - Output 45mA
Frequency - Switching 3kHz
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

概要

Description

The ICL7660ACBAZA is a specialized integrated circuit designed for voltage conversion, specifically as a charge pump inverter. It is capable of generating a negative voltage from a positive input voltage, making it useful in various applications such as operational amplifiers, analog signal processing, and battery-powered devices.
Key features include:
- Input Voltage Range: Typically operates with input voltages from 1.5V to 12V.
- Output Voltage: Can produce a negative output voltage equal to the input voltage with respect to ground.
- High Efficiency: Utilizes an external capacitor for charge pumping, resulting in minimal power loss.
- Low Quiescent Current: Consumes less power in standby mode, ideal for battery-operated devices.
The ICL7660ACBAZA is available in an 8-pin DIP package, facilitating easy integration into circuit designs. Its versatility and efficiency make it a popular choice for designers needing a reliable negative voltage supply.

Equivalent

Equivalent products to the ICL7660ACBAZA include the MAX660, LTC1044, and TC7660. These chips serve similar functions as voltage converters capable of generating negative voltages and performing DC-DC conversion. Always check specific datasheets for compatibility in terms of voltage, current ratings, and package types before substituting.

Features

The ICL7660ACBAZA is a versatile voltage converter integrated circuit designed to generate negative voltages from a positive supply. Key features include:
1. Voltage Conversion: It can produce a negative output voltage up to -12V from a +5V to +15V input.
2. Charge Pump Technology: Utilizes a charge pump to achieve voltage inversion efficiently.
3. Output Current: Capable of delivering up to 100 mA of output current.
4. Low Quiescent Current: Consumes minimal power in standby mode, enhancing energy efficiency.
5. Wide Operating Range: Accepts a broad input voltage range of +1.5V to +15V.
6. High Efficiency: Offers good efficiency, making it suitable for battery-powered applications.
7. Pin-Compatible: Compatible with other similar voltage converter ICs, simplifying design changes.
8. Thermal Protection: Features built-in thermal shutdown for reliable operation.
These attributes make the ICL7660ACBAZA ideal for applications requiring power supply inversion, such as operational amplifiers and sensor power supplies.

Pinout

The ICL7660ACBAZA is an integrated circuit (IC) with a total of 8 pins. It is primarily used as a voltage converter, capable of generating a negative voltage from a positive supply voltage.
### Pin Functions:
1. Pin 1 (V+): Positive power supply input (typically +1.5V to +10V).
2. Pin 2 (GND): Ground reference point.
3. Pin 3 (SW): Switch pin; connects to the internal switching transistor for charge pumping.
4. Pin 4 (C1-): Negative terminal of the first capacitor in the charge pump circuit.
5. Pin 5 (C1+): Positive terminal of the first capacitor; also connected to the output.
6. Pin 6 (C2-): Negative terminal of the second capacitor.
7. Pin 7 (C2+): Positive terminal of the second capacitor, which connects to the output.
8. Pin 8 (VOUT): Output voltage, typically the negative output voltage for the load.
The ICL7660ACBAZA is widely used in applications requiring voltage level shifting and negative voltage generation.

Manufacturer

The ICL7660ACBAZA is manufactured by Intersil, which is a division of Renesas Electronics Corporation. Intersil specializes in analog and mixed-signal semiconductors, focusing on power management, signal integrity, and precision analog solutions. The ICL7660 is a popular charge pump voltage converter used to generate negative voltages, commonly found in various electronic applications, including battery-powered devices and instrumentation.
Renesas Electronics Corporation is a global semiconductor company headquartered in Japan, known for providing microcontrollers, analog, power, and SoC solutions. The company serves a wide range of industries, including automotive, industrial, and consumer electronics, leveraging its expertise in embedded systems and power efficiency. Renesas emphasizes innovation and quality in its product offerings, contributing to advancements in various technological fields.

Application

The ICL7660ACBAZA is a voltage converter IC primarily used for generating negative voltages from positive voltage sources. Key application areas include:
1. Analog Signal Processing: It provides dual power supply rails for op-amps and sensors.
2. Battery-Powered Devices: It enables efficient power management in portable electronics.
3. LCD and LED Drivers: Used in circuits that require negative voltages for driving displays.
4. Signal Conditioning: Common in data acquisition systems where bipolar voltages are needed.
5. Audio Equipment: Employed in amplifiers and effects circuits requiring negative voltages.
Its compact size and ease of integration make it suitable for various electronic applications.

Package

The ICL7660ACBAZA is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) format.

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