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LM2663MX
+BOMIC REG CHARGE PUMP INV 8SOIC
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ManufacturerTexas Instruments
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Mfr. Part #LM2663MX
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Package SOIC (D)-8
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In Stock4725
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Specifications
| Attribute | Value |
| 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) | 1.5V |
| 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 LM2663MX is a switched capacitor voltage converter from Texas Instruments. It is designed to invert or double an input voltage, making it useful in applications that require a negative voltage rail or a higher positive voltage without using inductors. The device operates at a frequency of around 150 kHz, providing efficient voltage conversion with minimal external components.
Key features of the LM2663MX include a wide input voltage range typically from 1.5V to 5.5V, low quiescent current, and the ability to deliver output currents up to 200 mA. It comes in a small, surface-mount package, making it suitable for space-constrained applications. The LM2663MX includes an internal oscillator, a charge pump, and a regulator, which helps in maintaining a stable output voltage.
Common applications for the LM2663MX include powering operational amplifiers, analog circuits, or any system that requires a negative voltage supply for devices such as sensors and displays. Its efficiency and compact design make it ideal for portable and battery-powered devices.
Key features of the LM2663MX include a wide input voltage range typically from 1.5V to 5.5V, low quiescent current, and the ability to deliver output currents up to 200 mA. It comes in a small, surface-mount package, making it suitable for space-constrained applications. The LM2663MX includes an internal oscillator, a charge pump, and a regulator, which helps in maintaining a stable output voltage.
Common applications for the LM2663MX include powering operational amplifiers, analog circuits, or any system that requires a negative voltage supply for devices such as sensors and displays. Its efficiency and compact design make it ideal for portable and battery-powered devices.
Equivalent
The LM2663MX is a switched capacitor voltage converter. Equivalent products include:
1. MAX1680/MAX868 - Maxim Integrated
2. LTC1044 - Analog Devices (formerly Linear Technology)
3. LT1054 - Analog Devices (formerly Linear Technology)
4. ICL7660 - Intersil (now part of Renesas)
5. TC7660H - Microchip Technology
These alternatives have similar voltage conversion capabilities but check specific datasheets for pin compatibility and operational specifications.
1. MAX1680/MAX868 - Maxim Integrated
2. LTC1044 - Analog Devices (formerly Linear Technology)
3. LT1054 - Analog Devices (formerly Linear Technology)
4. ICL7660 - Intersil (now part of Renesas)
5. TC7660H - Microchip Technology
These alternatives have similar voltage conversion capabilities but check specific datasheets for pin compatibility and operational specifications.
Features
The LM2663MX is a charge pump voltage converter IC that provides efficient voltage inversion and doubling. Key features include:
1. Voltage Inversion: Converts a positive voltage to a negative voltage.
2. Voltage Doubling: Capable of doubling the input voltage.
3. Wide Input Voltage Range: Typically operates between 1.5V and 5.5V.
4. High Efficiency: Designed to minimize power loss during conversion.
5. Low Quiescent Current: Consumes minimal power when idle, enhancing battery life in portable applications.
6. Compact Package: Available in a small surface-mount package, like the SOIC-8, optimizing board space.
7. High Output Current Capability: Supports up to 200mA output current.
8. Low Output Resistance: Reduces voltage drop and improves performance.
9. Shutdown Function: Includes a shutdown pin for power saving.
10. Thermal Protection: Safeguards against overheating.
These features make the LM2663MX suitable for battery-powered devices, portable electronics, and any application requiring low-power DC-DC voltage conversion.
1. Voltage Inversion: Converts a positive voltage to a negative voltage.
2. Voltage Doubling: Capable of doubling the input voltage.
3. Wide Input Voltage Range: Typically operates between 1.5V and 5.5V.
4. High Efficiency: Designed to minimize power loss during conversion.
5. Low Quiescent Current: Consumes minimal power when idle, enhancing battery life in portable applications.
6. Compact Package: Available in a small surface-mount package, like the SOIC-8, optimizing board space.
7. High Output Current Capability: Supports up to 200mA output current.
8. Low Output Resistance: Reduces voltage drop and improves performance.
9. Shutdown Function: Includes a shutdown pin for power saving.
10. Thermal Protection: Safeguards against overheating.
These features make the LM2663MX suitable for battery-powered devices, portable electronics, and any application requiring low-power DC-DC voltage conversion.
Pinout
The LM2663MX is a charge pump voltage converter IC with 8 pins. Its primary function is to invert or double the input voltage, making it useful for applications requiring negative or doubled voltage rails derived from a positive input voltage.
Here’s a brief overview of its pin functions:
1. CAP+ (Pin 1): Positive terminal of the flying capacitor.
2. GND (Pin 2): Ground connection.
3. CAP- (Pin 3): Negative terminal of the flying capacitor.
4. SD (Pin 4): Shutdown pin, used to enable or disable the IC. When connected to ground, the IC is enabled; floating or connected to V+ disables the IC.
5. VOUT (Pin 5): Output voltage pin, providing the inverted or doubled voltage.
6. VIN (Pin 6): Input voltage pin, where the positive input voltage is applied.
7. NC (Pin 7): No connection, typically left unconnected.
8. V+ (Pin 8): Power supply input.
The LM2663MX is widely used in applications requiring compact voltage conversion solutions, particularly in battery-powered devices.
Here’s a brief overview of its pin functions:
1. CAP+ (Pin 1): Positive terminal of the flying capacitor.
2. GND (Pin 2): Ground connection.
3. CAP- (Pin 3): Negative terminal of the flying capacitor.
4. SD (Pin 4): Shutdown pin, used to enable or disable the IC. When connected to ground, the IC is enabled; floating or connected to V+ disables the IC.
5. VOUT (Pin 5): Output voltage pin, providing the inverted or doubled voltage.
6. VIN (Pin 6): Input voltage pin, where the positive input voltage is applied.
7. NC (Pin 7): No connection, typically left unconnected.
8. V+ (Pin 8): Power supply input.
The LM2663MX is widely used in applications requiring compact voltage conversion solutions, particularly in battery-powered devices.
Manufacturer
The LM2663MX is a voltage converter integrated circuit originally manufactured by National Semiconductor. National Semiconductor was a company known for designing and manufacturing analog devices and subsystems, which include power management circuits, amplifiers, and other semiconductor products. In 2011, National Semiconductor was acquired by Texas Instruments (TI), a global semiconductor company that designs and manufactures a wide range of electronic products, including analog, embedded processing, and digital signal processing solutions. Texas Instruments continues to support and produce products that were originally developed by National Semiconductor, including the LM2663MX.
Application
The LM2663MX is a switched-capacitor voltage converter commonly used in various applications, including:
1. Voltage Inversion: It provides a simple and efficient way to generate a negative voltage from a positive supply, useful in powering analog devices that require dual power supplies.
2. Voltage Doubling: Can be used to double the input voltage, effective in boosting power supply levels for various digital and analog circuits.
3. Battery-Powered Devices: Ideal for portable devices where compactness and efficiency are crucial, such as smartphones, tablets, and wearable electronics.
4. Sensor Applications: Used in powering sensors that need specific voltage levels for accurate operation.
5. Data Communication: Supports communication circuits that require stable voltage levels for reliable data transmission.
1. Voltage Inversion: It provides a simple and efficient way to generate a negative voltage from a positive supply, useful in powering analog devices that require dual power supplies.
2. Voltage Doubling: Can be used to double the input voltage, effective in boosting power supply levels for various digital and analog circuits.
3. Battery-Powered Devices: Ideal for portable devices where compactness and efficiency are crucial, such as smartphones, tablets, and wearable electronics.
4. Sensor Applications: Used in powering sensors that need specific voltage levels for accurate operation.
5. Data Communication: Supports communication circuits that require stable voltage levels for reliable data transmission.
Package
The LM2663MX is a switched-capacitor voltage converter IC. Its package type is a surface-mount SOIC-8 (Small Outline Integrated Circuit with 8 leads).
