ICL7660CBAZ

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ICL7660CBAZ

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IC REG CHARG PUMP INV 45MA 8SOIC

  • Nhà sản xuấtRenesas Electronics Corporation

  • Ông. Phần #ICL7660CBAZ

  • Có sẵn2155

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thuộc tính Giá trị
Part Status Active
Base Product Number ICL7660
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 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

Tổng quan

Description

The ICL7660CBAZ is a voltage converter IC primarily used for generating a negative supply voltage from a positive input voltage. It is often employed in applications where a dual power supply is needed but only a single positive voltage is available. The device operates by using a charge-pump mechanism, efficiently converting a positive input voltage into a corresponding negative output voltage.
Key features of the ICL7660CBAZ include low power consumption, a wide operating voltage range (typically 1.5V to 10V), and the ability to deliver output currents up to 10mA. It requires only two external capacitors to function, making it a simple and cost-effective solution for negative voltage generation. The IC is also known for its compact size and ease of use, making it suitable for battery-powered and portable applications.
The ICL7660CBAZ is often used in operational amplifier circuits, data acquisition systems, and analog systems that require symmetrical power supplies or negative bias voltages.

Equivalent

The ICL7660CBAZ is a charge pump voltage inverter. Equivalent products include the MAX1044, TC7660, LTC1044, and LT1054. These chips perform similar functions, enabling voltage conversion from positive to negative. Always check the datasheets for specific performance characteristics to ensure compatibility with your application.

Features

The ICL7660CBAZ is a CMOS voltage converter that efficiently doubles or inverts an input voltage. Key features include:
1. Voltage Conversion: Operates as a voltage doubler or inverter, providing flexibility in power supply design.
2. Input Voltage Range: Typically functions with an input range of 1.5V to 10V, allowing it to be used in various applications.
3. Low Quiescent Current: Consumes minimal power when idle, making it suitable for battery-operated devices.
4. High Efficiency: Typically achieves over 90% power conversion efficiency under specified conditions.
5. Easy Implementation: Requires only two external capacitors for operation, simplifying circuit design.
6. Low Output Impedance: Offers low output impedance, which enhances performance in applications requiring stable voltage supply.
7. Compact Package: Available in a compact package, such as the 8-Pin SOIC, which is ideal for space-constrained applications.
8. Wide Temperature Range: Functions efficiently across a wide temperature range, suitable for both industrial and consumer applications.
These features make the ICL7660CBAZ a versatile choice for applications needing efficient voltage conversion.

Pinout

The ICL7660CBAZ is a switched-capacitor voltage converter IC. It typically comes in an 8-pin configuration. Its primary function is to invert an input voltage, effectively creating a negative voltage output from a positive voltage input. This makes it useful in applications where a negative supply voltage is needed, but only a positive supply is available.
Here's a brief overview of the pin functions:
1. CAP+: Positive terminal for the charge pump capacitor.
2. GND: Ground pin.
3. CAP-: Negative terminal for the charge pump capacitor.
4. VOUT: Output voltage pin, provides the inverted voltage.
5. LV: Low-voltage pin, used to optimize performance for low voltage inputs.
6. OSC: Oscillator control pin, allows frequency adjustment.
7. VIN: Input voltage pin, accepts the positive input voltage.
8. VCC: Positive power supply pin, typically connected to VIN.
The ICL7660 is widely used in applications where a simple, low-cost solution is required to generate a negative voltage from a positive supply, especially in battery-powered devices.

Manufacturer

The ICL7660CBAZ is manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that specializes in developing microcontrollers, system-on-chip (SoC) solutions, and a wide range of semiconductor devices and integrated circuits. The company focuses on providing solutions for various applications, including automotive, industrial, consumer electronics, and IoT (Internet of Things) sectors. Renesas is known for its innovation in the field of electronics and plays a significant role in advancing technology through its diverse product offerings and expertise in semiconductor design and manufacturing.

Application

The ICL7660CBAZ is a charge pump voltage converter commonly used for applications requiring voltage inversion or small positive voltage regulation. Key application areas include:
1. Voltage Inversion: Converts a positive voltage to a negative voltage, making it useful in dual-supply systems.
2. Battery-Powered Devices: Provides power management solutions for portable electronics by efficiently generating negative voltages.
3. Operational Amplifier Biasing: Supplies negative biasing voltages required by op-amps in single-supply systems.
4. Data Conversion Circuits: Supports ADCs and DACs needing bipolar supply voltages.
5. Sensor Interfaces: Powers sensor circuits requiring negative supply voltages.
Its compact design and efficiency make it ideal for low-power and space-constrained applications.

Package

The ICL7660CBAZ is a charge pump voltage converter IC typically offered in a standard 8-pin plastic dual in-line package (PDIP) or a small outline package (SOIC). The "CBAZ" suffix often indicates a specific packaging or lead finish variant, so it's important to refer to the manufacturer's datasheet for exact details corresponding to this suffix.

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