Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Not For New Designs |
| 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, Vin/2 |
| Current-Output | 200mA |
| Frequency-Switching | 10kHz, 75kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The LM2663M is an integrated circuit designed by Texas Instruments, primarily used for generating a negative voltage from a positive input voltage. It is a charge pump voltage inverter, meaning it can invert a positive input voltage to a negative output without the need for inductors, which helps simplify the design and reduce the size and cost of the circuit. The LM2663M operates with an input voltage range of 1.5V to 5.5V and can provide an output current up to 200mA, making it suitable for applications requiring moderate power levels.
Key features of the LM2663M include a high switching frequency, which allows it to use smaller capacitors, and its ability to achieve a high-efficiency conversion, making it ideal for battery-powered devices. Additionally, the device offers thermal shutdown protection and is available in a small SOIC-8 package, facilitating compact circuit board designs. The LM2663M is commonly used in applications such as LCD bias supplies, operational amplifier power supplies, and other situations where a negative voltage is needed.
Key features of the LM2663M include a high switching frequency, which allows it to use smaller capacitors, and its ability to achieve a high-efficiency conversion, making it ideal for battery-powered devices. Additionally, the device offers thermal shutdown protection and is available in a small SOIC-8 package, facilitating compact circuit board designs. The LM2663M is commonly used in applications such as LCD bias supplies, operational amplifier power supplies, and other situations where a negative voltage is needed.
Equivalent
The LM2663M is a switched capacitor voltage converter. Equivalent or similar products include:
1. Texas Instruments LM2660 - Offers similar functionality with positive or negative voltage conversion.
2. Maxim Integrated MAX660 - Similar pinout and voltage conversion features.
3. Linear Technology (now ADI) LT1054 - A regulated charge pump with comparable applications.
4. Microchip Technology TC7660 - Basic voltage conversion similar to the LM2663M.
These alternatives may have slight differences in specifications, so it's important to verify compatibility with your application.
1. Texas Instruments LM2660 - Offers similar functionality with positive or negative voltage conversion.
2. Maxim Integrated MAX660 - Similar pinout and voltage conversion features.
3. Linear Technology (now ADI) LT1054 - A regulated charge pump with comparable applications.
4. Microchip Technology TC7660 - Basic voltage conversion similar to the LM2663M.
These alternatives may have slight differences in specifications, so it's important to verify compatibility with your application.
Features
The LM2663M is a switched capacitor voltage converter manufactured by Texas Instruments. Its key features include:
1. Voltage Conversion: It can invert or double the input voltage, providing flexibility in power supply design.
2. Input Voltage Range: Operates over an input voltage range of 1.5V to 5.5V, making it suitable for battery-powered applications.
3. Output Current: Delivers up to 200mA of output current, which is sufficient for many portable and low-power applications.
4. Efficiency: High efficiency due to low quiescent current and low power dissipation, essential for extending battery life.
5. Compact Package: Available in a small SOIC-8 package, beneficial for space-constrained designs.
6. Minimal External Components: Requires only a few external capacitors, simplifying the design and reducing the bill of materials.
7. Low Ripple: Features low output voltage ripple, ensuring stable operation for sensitive circuits.
8. Temperature Range: Operates over a wide temperature range of -40°C to +85°C, suitable for various environmental conditions.
These features make the LM2663M a versatile choice for applications requiring voltage inversion or doubling.
1. Voltage Conversion: It can invert or double the input voltage, providing flexibility in power supply design.
2. Input Voltage Range: Operates over an input voltage range of 1.5V to 5.5V, making it suitable for battery-powered applications.
3. Output Current: Delivers up to 200mA of output current, which is sufficient for many portable and low-power applications.
4. Efficiency: High efficiency due to low quiescent current and low power dissipation, essential for extending battery life.
5. Compact Package: Available in a small SOIC-8 package, beneficial for space-constrained designs.
6. Minimal External Components: Requires only a few external capacitors, simplifying the design and reducing the bill of materials.
7. Low Ripple: Features low output voltage ripple, ensuring stable operation for sensitive circuits.
8. Temperature Range: Operates over a wide temperature range of -40°C to +85°C, suitable for various environmental conditions.
These features make the LM2663M a versatile choice for applications requiring voltage inversion or doubling.
Pinout
The LM2663M is an 8-pin SOIC (Small Outline Integrated Circuit) device. It is a voltage converter primarily used for applications requiring a switched-capacitor voltage inverter. The main function of the LM2663M is to invert the input voltage to produce a negative output voltage. Additionally, it can also be configured to double the input voltage or regulate it through an external charge pump configuration.
Pin functions typically include:
1. V+: Positive supply voltage input.
2. GND: Ground.
3. C1+: Positive terminal for the charge pump capacitor.
4. C1-: Negative terminal for the charge pump capacitor.
5. VOUT: Inverted output voltage.
6. CAP+: Positive terminal for the flying capacitor in doubling configuration (optional).
7. CAP-: Negative terminal for the flying capacitor in doubling configuration (optional).
8. SHDN: Shutdown pin to enable or disable the device.
Please refer to the specific datasheet for detailed pin configuration and electrical characteristics.
Pin functions typically include:
1. V+: Positive supply voltage input.
2. GND: Ground.
3. C1+: Positive terminal for the charge pump capacitor.
4. C1-: Negative terminal for the charge pump capacitor.
5. VOUT: Inverted output voltage.
6. CAP+: Positive terminal for the flying capacitor in doubling configuration (optional).
7. CAP-: Negative terminal for the flying capacitor in doubling configuration (optional).
8. SHDN: Shutdown pin to enable or disable the device.
Please refer to the specific datasheet for detailed pin configuration and electrical characteristics.
Manufacturer
The LM2663M is a voltage converter manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is a leader in the semiconductor industry, known for its development of analog chips, embedded processors, digital light processing (DLP) technology, and education technology products such as calculators. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems.
Application
The LM2663M is a switched capacitor voltage converter primarily used for applications requiring efficient voltage inversion or step-up. It is suitable for:
1. Battery-Powered Devices: Optimizes power in portable electronics like smartphones, tablets, and wearable devices.
2. LCD Biasing: Provides necessary voltages for liquid crystal display panels in handheld devices.
3. Operational Amplifiers: Supplies negative voltage for op-amp circuits.
4. Sensor Interfaces: Powers analog front-end circuits for sensors.
5. Telecommunications: Used in power management for telecom systems.
6. Data Acquisition Systems: Supports mixed-signal data acquisition processes by providing stable voltage levels.
Its compact size and low quiescent current make it ideal for space-constrained and energy-sensitive applications.
1. Battery-Powered Devices: Optimizes power in portable electronics like smartphones, tablets, and wearable devices.
2. LCD Biasing: Provides necessary voltages for liquid crystal display panels in handheld devices.
3. Operational Amplifiers: Supplies negative voltage for op-amp circuits.
4. Sensor Interfaces: Powers analog front-end circuits for sensors.
5. Telecommunications: Used in power management for telecom systems.
6. Data Acquisition Systems: Supports mixed-signal data acquisition processes by providing stable voltage levels.
Its compact size and low quiescent current make it ideal for space-constrained and energy-sensitive applications.
Package
The LM2663M is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for compact layouts and efficient performance in electronic circuits.
