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LP2951ACMX-3.3
+Lista de MateriaisIC REG LIN POS ADJ 100MA 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #LP2951ACMX-3.3
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Pacote SOP-8
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Em Estoque4549
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Adjustable (Fixed) |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 1.235V (3.3V) |
| Voltage-Output(Max) | 29V |
| VoltageDropout(Max) | 0.6V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 120 µA |
| Current-Supply(Max) | 14 mA |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
The LP2951ACMX-3.3 is a low-dropout voltage regulator specifically designed to provide a stable 3.3V output from a higher input voltage. It is part of the LP2951 series and is known for its efficiency and reliability in applications requiring precise voltage regulation. The component features low quiescent current, typically around 75µA, which makes it ideal for battery-powered devices. It offers a dropout voltage of approximately 380mV at full load, promoting efficient performance even in low-headroom scenarios.
The LP2951ACMX-3.3 includes built-in features like short-circuit protection, thermal overload protection, and reverse battery protection, enhancing its robustness and safety. It also includes an error flag output that can indicate if the output voltage is out of regulation, useful for monitoring system performance. The device is available in various surface-mount package options, facilitating compact design solutions. Notably, its adjustable output feature and the ability to drive capacitive loads make it versatile for various applications, including microcontroller systems, sensor modules, and portable electronics.
The LP2951ACMX-3.3 includes built-in features like short-circuit protection, thermal overload protection, and reverse battery protection, enhancing its robustness and safety. It also includes an error flag output that can indicate if the output voltage is out of regulation, useful for monitoring system performance. The device is available in various surface-mount package options, facilitating compact design solutions. Notably, its adjustable output feature and the ability to drive capacitive loads make it versatile for various applications, including microcontroller systems, sensor modules, and portable electronics.
Equivalent
The LP2951ACMX-3.3 is a low-dropout voltage regulator. Equivalent products might include:
1. Microchip MCP1703A-3.3: Offers similar output voltage and low dropout characteristics.
2. Texas Instruments TLV1117-33: Provides comparable performance in a similar package.
3. ON Semiconductor NCP1117ST33T3G: Matches the output voltage and dropout conditions.
4. AMS1117-3.3: Widely used with similar specifications.
Ensure compatibility by comparing detailed specifications like output current, dropout voltage, and package type.
1. Microchip MCP1703A-3.3: Offers similar output voltage and low dropout characteristics.
2. Texas Instruments TLV1117-33: Provides comparable performance in a similar package.
3. ON Semiconductor NCP1117ST33T3G: Matches the output voltage and dropout conditions.
4. AMS1117-3.3: Widely used with similar specifications.
Ensure compatibility by comparing detailed specifications like output current, dropout voltage, and package type.
Features
The LP2951ACMX-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Low Dropout Voltage: Typically around 60mV at light loads, improving efficiency.
3. Output Current: Capable of delivering up to 100mA.
4. Low Quiescent Current: Typically around 75µA, making it suitable for battery-powered applications.
5. Precision Output: ±0.5% output voltage tolerance ensures reliable performance.
6. Shutdown Mode: Reduces current consumption to less than 2µA, enhancing battery life.
7. Thermal Protection: Over-temperature shutdown prevents damage under excessive heat conditions.
8. Short-Circuit Protection: Safeguards against output short circuits.
9. External Capacitor: Requires low-value external capacitors for stability.
10. Package Type: Available in space-efficient SOIC-8 or other packages, suitable for compact designs.
These features make the LP2951ACMX-3.3 ideal for use in portable devices, microcontrollers, and other applications requiring efficient voltage regulation.
1. Output Voltage: Fixed at 3.3V.
2. Low Dropout Voltage: Typically around 60mV at light loads, improving efficiency.
3. Output Current: Capable of delivering up to 100mA.
4. Low Quiescent Current: Typically around 75µA, making it suitable for battery-powered applications.
5. Precision Output: ±0.5% output voltage tolerance ensures reliable performance.
6. Shutdown Mode: Reduces current consumption to less than 2µA, enhancing battery life.
7. Thermal Protection: Over-temperature shutdown prevents damage under excessive heat conditions.
8. Short-Circuit Protection: Safeguards against output short circuits.
9. External Capacitor: Requires low-value external capacitors for stability.
10. Package Type: Available in space-efficient SOIC-8 or other packages, suitable for compact designs.
These features make the LP2951ACMX-3.3 ideal for use in portable devices, microcontrollers, and other applications requiring efficient voltage regulation.
Pinout
The LP2951ACMX-3.3 is a low-dropout voltage regulator. It typically comes in an 8-pin surface-mount package, such as the SOIC-8. The functions of the pins are generally as follows:
1. VOUT: Output voltage pin, where the regulated 3.3V is provided.
2. GND: Ground pin, serves as the reference point for the regulator.
3. VIN: Input voltage pin, where the unregulated input voltage is applied.
4. SHUTDOWN (SD): A pin used to disable the regulator, reducing power consumption.
5. FEEDBACK (FB): Used to set the output voltage by comparing the output voltage with a reference voltage.
6. ERROR: An output pin that goes low when the output voltage drops below a certain threshold, indicating an error condition.
7. COMPENSATION: Allows for frequency compensation.
8. N/C or other: Depending on the manufacturer and specific model, this pin may be not connected or serve as an additional function like an external capacitor connection.
Always refer to the manufacturer's datasheet for the most accurate and detailed information.
1. VOUT: Output voltage pin, where the regulated 3.3V is provided.
2. GND: Ground pin, serves as the reference point for the regulator.
3. VIN: Input voltage pin, where the unregulated input voltage is applied.
4. SHUTDOWN (SD): A pin used to disable the regulator, reducing power consumption.
5. FEEDBACK (FB): Used to set the output voltage by comparing the output voltage with a reference voltage.
6. ERROR: An output pin that goes low when the output voltage drops below a certain threshold, indicating an error condition.
7. COMPENSATION: Allows for frequency compensation.
8. N/C or other: Depending on the manufacturer and specific model, this pin may be not connected or serve as an additional function like an external capacitor connection.
Always refer to the manufacturer's datasheet for the most accurate and detailed information.
Manufacturer
The LP2951ACMX-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures electronic components and integrated circuits. TI serves various industries, including automotive, industrial, personal electronics, communications, and enterprise systems. The company is known for its innovation in analog and embedded processing products.
Application
The LP2951ACMX-3.3 is a low-dropout (LDO) voltage regulator designed for various application areas, including:
1. Battery-Powered Devices: Ideal for providing stable voltage in portable electronics where battery life is crucial.
2. Microcontroller Power Supplies: Ensures consistent power for microcontrollers and digital circuits.
3. Industrial Equipment: Used in sensors and instrumentation requiring precise voltage regulation.
4. Telecommunication Devices: Supports stable power in modems and communication interfaces.
5. Consumer Electronics: Powers components in gadgets like cameras, audio devices, and personal digital assistants.
6. Embedded Systems: Used in automotive and other embedded systems requiring reliable voltage regulation.
Its low quiescent current and precise output make it suitable for energy-efficient applications.
1. Battery-Powered Devices: Ideal for providing stable voltage in portable electronics where battery life is crucial.
2. Microcontroller Power Supplies: Ensures consistent power for microcontrollers and digital circuits.
3. Industrial Equipment: Used in sensors and instrumentation requiring precise voltage regulation.
4. Telecommunication Devices: Supports stable power in modems and communication interfaces.
5. Consumer Electronics: Powers components in gadgets like cameras, audio devices, and personal digital assistants.
6. Embedded Systems: Used in automotive and other embedded systems requiring reliable voltage regulation.
Its low quiescent current and precise output make it suitable for energy-efficient applications.
Package
The LP2951ACMX-3.3 is a linear voltage regulator in a surface-mount package, specifically the SOIC-8 (Small Outline Integrated Circuit with 8 pins). This package type is suitable for applications requiring efficient space utilization on printed circuit boards.
