仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 100mA |
| Frequency-Switching | 10kHz, 80kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The MAX660MX is a charge pump voltage converter integrated circuit designed to invert or double the input voltage. It is a part of the MAX660 series from Maxim Integrated, tailored for low-power applications. Operating over a wide input voltage range, typically from 1.5V to 5.5V, the MAX660MX can efficiently generate a negative voltage or double the input voltage, making it suitable for battery-powered devices. It achieves this through a switched-capacitor technique, requiring only a few external capacitors for operation.
The device features low quiescent current and high efficiency, making it ideal for portable applications where power conservation is critical. It includes built-in thermal shutdown and short-circuit protection to enhance reliability. Additionally, the MAX660MX is available in compact packages, which is advantageous for space-constrained designs. Its simplicity and effectiveness make it a popular choice for engineers aiming to utilize minimal board space while achieving reliable voltage conversion.
The device features low quiescent current and high efficiency, making it ideal for portable applications where power conservation is critical. It includes built-in thermal shutdown and short-circuit protection to enhance reliability. Additionally, the MAX660MX is available in compact packages, which is advantageous for space-constrained designs. Its simplicity and effectiveness make it a popular choice for engineers aiming to utilize minimal board space while achieving reliable voltage conversion.
Equivalent
The MAX660MX chip is a switched-capacitor voltage converter. Equivalent products include the LTC660 by Linear Technology/Analog Devices, ICL7660 by Intersil/Renesas, TC7660 by Microchip Technology, and LM2660 by Texas Instruments. These components perform similar voltage doubling or inverting functions for low-power applications. Always verify specifications and pin compatibility before substituting.
Features
The MAX660MX is a charge pump voltage converter from Maxim Integrated, designed primarily for applications requiring a voltage inverter. Key features include:
1. Voltage Conversion: It efficiently converts a positive input voltage to a negative output voltage, making it suitable for dual-supply applications.
2. Wide Input Range: Operates over a wide input voltage range, typically from 1.5V to 5.5V.
3. Low Power Consumption: Offers low quiescent current, making it ideal for battery-powered devices.
4. High Efficiency: Provides high-efficiency voltage conversion with minimal external components, enhancing overall system efficiency.
5. Output Current: Capable of delivering moderate output current sufficient for many portable and small-scale applications.
6. Compact Design: Comes in a small package, which is beneficial for space-constrained applications.
7. Ease of Use: Requires minimal external components, simplifying the design and reducing the total cost.
These features make the MAX660MX suitable for a variety of applications, including mobile devices, digital cameras, and other portable electronics.
1. Voltage Conversion: It efficiently converts a positive input voltage to a negative output voltage, making it suitable for dual-supply applications.
2. Wide Input Range: Operates over a wide input voltage range, typically from 1.5V to 5.5V.
3. Low Power Consumption: Offers low quiescent current, making it ideal for battery-powered devices.
4. High Efficiency: Provides high-efficiency voltage conversion with minimal external components, enhancing overall system efficiency.
5. Output Current: Capable of delivering moderate output current sufficient for many portable and small-scale applications.
6. Compact Design: Comes in a small package, which is beneficial for space-constrained applications.
7. Ease of Use: Requires minimal external components, simplifying the design and reducing the total cost.
These features make the MAX660MX suitable for a variety of applications, including mobile devices, digital cameras, and other portable electronics.
Pinout
The MAX660MX is a switched-capacitor voltage converter IC designed to invert or double an input voltage. It typically comes in an 8-pin package, such as the SOIC-8. Here are the pin functions:
1. GND (Pin 1): Ground connection.
2. CAP+ (Pin 2): Positive terminal of the charge-pump capacitor.
3. VIN (Pin 3): Input voltage.
4. CAP- (Pin 4): Negative terminal of the charge-pump capacitor.
5. LV (Pin 5): Logic-level voltage input; connects to GND for lower voltage operation.
6. OSC (Pin 6): Oscillator frequency control; connect to GND to use the internal oscillator.
7. VOUT (Pin 7): Output voltage.
8. SHDN (Pin 8): Shutdown pin; active low to disable the device.
The MAX660MX is used in applications requiring voltage inversion or doubling, providing flexibility in low-power and battery-powered designs.
1. GND (Pin 1): Ground connection.
2. CAP+ (Pin 2): Positive terminal of the charge-pump capacitor.
3. VIN (Pin 3): Input voltage.
4. CAP- (Pin 4): Negative terminal of the charge-pump capacitor.
5. LV (Pin 5): Logic-level voltage input; connects to GND for lower voltage operation.
6. OSC (Pin 6): Oscillator frequency control; connect to GND to use the internal oscillator.
7. VOUT (Pin 7): Output voltage.
8. SHDN (Pin 8): Shutdown pin; active low to disable the device.
The MAX660MX is used in applications requiring voltage inversion or doubling, providing flexibility in low-power and battery-powered designs.
Manufacturer
The MAX660MX is manufactured by Maxim Integrated. Maxim Integrated is a company that specializes in designing, manufacturing, and marketing analog and mixed-signal integrated circuits. They supply these components to a variety of industries, including consumer electronics, automotive, communications, and industrial sectors. Maxim Integrated focuses on providing solutions that allow for greater efficiency and enhanced functionality in electronic devices. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., another major player in the semiconductor industry, further expanding their reach and capabilities in the field of analog and digital signal processing solutions.
Application
The MAX660MX is a charge pump voltage converter commonly used for applications requiring a simple and efficient way to invert or double voltages. Key application areas include:
1. Battery-Powered Devices: Ideal for portable electronics where efficient power management is crucial.
2. LCD Biasing: Used in LCD displays to provide the necessary negative voltage.
3. Op-Amp Power Supplies: Provides dual power supply voltages for operational amplifiers.
4. Microcontroller Systems: Supplies additional voltage levels needed for specific microcontroller functions.
5. Data Acquisition Systems: Powers analog components requiring different voltage levels.
6. Consumer Electronics: Used in gadgets for efficient power conversion.
Its compact design and efficient performance make it suitable for space-constrained and power-sensitive applications.
1. Battery-Powered Devices: Ideal for portable electronics where efficient power management is crucial.
2. LCD Biasing: Used in LCD displays to provide the necessary negative voltage.
3. Op-Amp Power Supplies: Provides dual power supply voltages for operational amplifiers.
4. Microcontroller Systems: Supplies additional voltage levels needed for specific microcontroller functions.
5. Data Acquisition Systems: Powers analog components requiring different voltage levels.
6. Consumer Electronics: Used in gadgets for efficient power conversion.
Its compact design and efficient performance make it suitable for space-constrained and power-sensitive applications.
Package
The MAX660MX is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
