規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 40mA |
| Frequency-Switching | 80kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
概述
Description
The LM2664M6X is a charge pump voltage inverter integrated circuit (IC) produced by Texas Instruments. It is designed to provide a simple and efficient solution for applications requiring a negative supply voltage from a positive input voltage. The device operates over a wide input voltage range from 1.8V to 5.5V, making it versatile for various electronic devices and systems.
The LM2664M6X features a low quiescent current and high efficiency, thanks to its switched capacitor technology, which is ideal for battery-powered applications. It can deliver an output current of up to 100 mA, depending on the input voltage and load conditions. The IC comes in a compact SOT-23-6 package, allowing for space-efficient designs.
Key applications include powering operational amplifiers, sensors, and other analog circuits requiring negative voltage rails. Additionally, its simplicity, low external component count, and ease of use make it a preferred choice for engineers looking to implement a reliable negative voltage supply with minimal design complexity.
The LM2664M6X features a low quiescent current and high efficiency, thanks to its switched capacitor technology, which is ideal for battery-powered applications. It can deliver an output current of up to 100 mA, depending on the input voltage and load conditions. The IC comes in a compact SOT-23-6 package, allowing for space-efficient designs.
Key applications include powering operational amplifiers, sensors, and other analog circuits requiring negative voltage rails. Additionally, its simplicity, low external component count, and ease of use make it a preferred choice for engineers looking to implement a reliable negative voltage supply with minimal design complexity.
Equivalent
The LM2664M6X is a CMOS charge pump voltage inverter. Equivalent products include:
1. MAX660 from Maxim Integrated
2. LTC1983-5 from Analog Devices
3. TPS60403 from Texas Instruments
These alternatives typically offer similar voltage inversion capabilities and may vary in parameters like current capacity and efficiency. Always check specific requirements and datasheets to ensure compatibility.
1. MAX660 from Maxim Integrated
2. LTC1983-5 from Analog Devices
3. TPS60403 from Texas Instruments
These alternatives typically offer similar voltage inversion capabilities and may vary in parameters like current capacity and efficiency. Always check specific requirements and datasheets to ensure compatibility.
Features
The LM2664M6X is a switched-capacitor voltage converter IC designed to invert input voltages, typically used in applications where a negative supply is needed. Here are some key features:
1. Input Voltage Range: It operates with an input voltage range from 1.8V to 5.5V.
2. Output Voltage: It provides an output voltage that is approximately the negative of the input voltage, making it ideal for generating negative voltages.
3. Efficiency: The device offers high power efficiency, typically around 90%, depending on the load and input voltage.
4. Output Current: It can supply up to 100mA output current.
5. Quiescent Current: The IC has a low quiescent current of about 300µA, making it suitable for battery-operated devices.
6. Compact Package: Available in a small SOT-23-6 package, which is beneficial for space-constrained applications.
7. Operating Temperature: The IC operates over an industrial temperature range of -40°C to +85°C.
8. No Inductors Needed: It requires only external capacitors, simplifying the design and reducing the cost and size of the circuit.
These features make the LM2664M6X ideal for applications in portable electronics, LCD biasing, and other systems requiring a negative supply voltage.
1. Input Voltage Range: It operates with an input voltage range from 1.8V to 5.5V.
2. Output Voltage: It provides an output voltage that is approximately the negative of the input voltage, making it ideal for generating negative voltages.
3. Efficiency: The device offers high power efficiency, typically around 90%, depending on the load and input voltage.
4. Output Current: It can supply up to 100mA output current.
5. Quiescent Current: The IC has a low quiescent current of about 300µA, making it suitable for battery-operated devices.
6. Compact Package: Available in a small SOT-23-6 package, which is beneficial for space-constrained applications.
7. Operating Temperature: The IC operates over an industrial temperature range of -40°C to +85°C.
8. No Inductors Needed: It requires only external capacitors, simplifying the design and reducing the cost and size of the circuit.
These features make the LM2664M6X ideal for applications in portable electronics, LCD biasing, and other systems requiring a negative supply voltage.
Pinout
The LM2664M6X is a switched capacitor voltage converter IC that has a 6-pin SOT-23 package. It is designed for use in voltage inversion and doubling applications. The main function of the LM2664 is to invert or double the input voltage efficiently with low noise and without the need for inductors. It operates over a wide input voltage range and is typically used in applications requiring a negative or boosted voltage from a positive input supply.
The pin functions are as follows:
1. V+: Positive voltage input.
2. GND: Ground connection.
3. C1+: Positive terminal for the charge pump capacitor.
4. C1-: Negative terminal for the charge pump capacitor.
5. Vout: Output voltage, which is the inverted or doubled voltage.
6. SD (Shutdown): This pin is used to enable or disable the device. It is active low.
The LM2664 is commonly used in battery-powered applications, where compactness and efficiency are crucial.
The pin functions are as follows:
1. V+: Positive voltage input.
2. GND: Ground connection.
3. C1+: Positive terminal for the charge pump capacitor.
4. C1-: Negative terminal for the charge pump capacitor.
5. Vout: Output voltage, which is the inverted or doubled voltage.
6. SD (Shutdown): This pin is used to enable or disable the device. It is active low.
The LM2664 is commonly used in battery-powered applications, where compactness and efficiency are crucial.
Manufacturer
The LM2664M6X is manufactured by Texas Instruments (TI), a major American technology company. Texas Instruments is known for designing and manufacturing semiconductors and integrated circuits, which they sell to electronics designers and manufacturers globally. Their products are used in a wide range of applications, including automotive, industrial, electronics, and telecommunications sectors. TI is noted for its innovation in analog and embedded processing products.
Application
The LM2664M6X is a switched capacitor voltage inverter, primarily used in applications requiring a negative voltage supply derived from a positive input. Key application areas include:
1. Power Supply Circuits: Provides negative voltage rails in dual-supply systems.
2. Operational Amplifiers: Supplies negative biasing voltage.
3. Portable Devices: Utilized in battery-powered equipment for efficient voltage inversion.
4. Communication Devices: Used in systems needing negative voltages for signal processing.
5. Instrumentation: Implements negative supply voltages for various sensors and measurement equipment.
Its small size and low power consumption make it suitable for compact and efficient circuit designs.
1. Power Supply Circuits: Provides negative voltage rails in dual-supply systems.
2. Operational Amplifiers: Supplies negative biasing voltage.
3. Portable Devices: Utilized in battery-powered equipment for efficient voltage inversion.
4. Communication Devices: Used in systems needing negative voltages for signal processing.
5. Instrumentation: Implements negative supply voltages for various sensors and measurement equipment.
Its small size and low power consumption make it suitable for compact and efficient circuit designs.
Package
The LM2664M6X refers to a product in a SOT-23-6 package type. The SOT-23-6 is a small outline transistor package with six leads, commonly used for surface mount technology in compact electronic circuits.
