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LP2981A-50DBVR
+NomenclatureIC REG LINEAR 5V 100MA SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #LP2981A-50DBVR
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Fiche technique LP2981A-50DBVR DataSheet
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Package SOT-23 (DBV)-5
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En stock3124
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 0.37V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 95 µA |
| Current-Supply(Max) | 1.7 mA |
| PSRR | 63dB (1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Présentation
Description
The LP2981A-50DBVR is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage of 5.0 volts. It is part of the LP2981 series from Texas Instruments. This device is suitable for applications requiring a regulated voltage in the presence of varying input voltages, making it ideal for battery-powered devices.
Key features of the LP2981A-50DBVR include:
1. Low Dropout Voltage: Enables efficient operation even when the input voltage is close to the output voltage.
2. Precision Output: Offers tight output voltage tolerance, ensuring accurate and stable performance.
3. Low Quiescent Current: Helps extend battery life by minimizing power consumption when the load is light or idle.
4. Current Limiting and Thermal Shutdown: Provides protection against overloads and prevents damage due to excessive heat.
5. Small Package: Available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the LP2981A-50DBVR is an efficient solution for delivering regulated power with minimal power loss and is widely used in portable electronics and other low-power applications.
Key features of the LP2981A-50DBVR include:
1. Low Dropout Voltage: Enables efficient operation even when the input voltage is close to the output voltage.
2. Precision Output: Offers tight output voltage tolerance, ensuring accurate and stable performance.
3. Low Quiescent Current: Helps extend battery life by minimizing power consumption when the load is light or idle.
4. Current Limiting and Thermal Shutdown: Provides protection against overloads and prevents damage due to excessive heat.
5. Small Package: Available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the LP2981A-50DBVR is an efficient solution for delivering regulated power with minimal power loss and is widely used in portable electronics and other low-power applications.
Equivalent
The LP2981A-50DBVR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. Microchip MCP1700T-5002E/TT: Offers similar LDO regulation with a 5V output.
2. ON Semiconductor NCP551SN50T1G: Provides a comparable voltage regulation solution.
3. AMS1117-5.0: A widely used alternative in the same category, providing 5V output.
4. Analog Devices ADP150AUJZ-5.0-R7: Another low-dropout regulator with similar specifications.
These alternatives provide similar functionality in terms of output voltage and regulation.
1. Microchip MCP1700T-5002E/TT: Offers similar LDO regulation with a 5V output.
2. ON Semiconductor NCP551SN50T1G: Provides a comparable voltage regulation solution.
3. AMS1117-5.0: A widely used alternative in the same category, providing 5V output.
4. Analog Devices ADP150AUJZ-5.0-R7: Another low-dropout regulator with similar specifications.
These alternatives provide similar functionality in terms of output voltage and regulation.
Features
The LP2981A-50DBVR is a low-dropout (LDO) voltage regulator designed for delivering a fixed output voltage of 5.0V. Key features include:
1. Low Dropout Voltage: It offers a low dropout, which makes it efficient for battery-operated systems by minimizing the difference between input and output voltages.
2. Output Current: Capable of delivering up to 100mA output current, suitable for various applications.
3. Precision Output: Provides a precise output voltage with high accuracy, typically ±1% across load, line, and temperature variations.
4. Low Quiescent Current: Designed for power efficiency with very low quiescent current, enhancing battery life in portable devices.
5. Enable Pin: Includes an enable pin for easy on/off control of the regulator.
6. Thermal Protection: Equipped with thermal overload protection ensuring safety under high-temperature conditions.
7. Short Circuit Protection: Protects against output short circuits for enhanced reliability.
8. Small Package: Available in a SOT-23-5 package, which is compact for space-constrained applications.
This LDO is ideal for portable and battery-powered applications due to its efficiency and reliability features.
1. Low Dropout Voltage: It offers a low dropout, which makes it efficient for battery-operated systems by minimizing the difference between input and output voltages.
2. Output Current: Capable of delivering up to 100mA output current, suitable for various applications.
3. Precision Output: Provides a precise output voltage with high accuracy, typically ±1% across load, line, and temperature variations.
4. Low Quiescent Current: Designed for power efficiency with very low quiescent current, enhancing battery life in portable devices.
5. Enable Pin: Includes an enable pin for easy on/off control of the regulator.
6. Thermal Protection: Equipped with thermal overload protection ensuring safety under high-temperature conditions.
7. Short Circuit Protection: Protects against output short circuits for enhanced reliability.
8. Small Package: Available in a SOT-23-5 package, which is compact for space-constrained applications.
This LDO is ideal for portable and battery-powered applications due to its efficiency and reliability features.
Pinout
The LP2981A-50DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It typically comes in a SOT-23-5 package, which means it has 5 pins. Here is a brief overview of its pin functions:
1. Pin 1 (GND): Ground pin. It serves as the reference point for the regulator and is connected to the negative side of the input and output.
2. Pin 2 (VOUT): Output voltage pin. This pin provides the regulated output voltage, which is 5.0V for the LP2981A-50DBVR.
3. Pin 3 (N/C): This pin is typically not internally connected and may be used for mechanical stability.
4. Pin 4 (VIN): Input voltage pin. The unregulated input voltage is applied here, and it should be higher than the desired output voltage by at least the dropout voltage.
5. Pin 5 (EN): Enable pin. This pin is used to enable or disable the regulator. A high level on this pin enables the regulator, while a low level disables it, reducing quiescent current.
The LP2981A-50DBVR is used in various applications requiring stable 5V output from a higher input voltage.
1. Pin 1 (GND): Ground pin. It serves as the reference point for the regulator and is connected to the negative side of the input and output.
2. Pin 2 (VOUT): Output voltage pin. This pin provides the regulated output voltage, which is 5.0V for the LP2981A-50DBVR.
3. Pin 3 (N/C): This pin is typically not internally connected and may be used for mechanical stability.
4. Pin 4 (VIN): Input voltage pin. The unregulated input voltage is applied here, and it should be higher than the desired output voltage by at least the dropout voltage.
5. Pin 5 (EN): Enable pin. This pin is used to enable or disable the regulator. A high level on this pin enables the regulator, while a low level disables it, reducing quiescent current.
The LP2981A-50DBVR is used in various applications requiring stable 5V output from a higher input voltage.
Manufacturer
The LP2981A-50DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a broad range of analog and embedded processing chips. The company provides solutions for various applications across different industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in the semiconductor industry and its extensive product portfolio, which includes analog and digital signal processing technology.
Application
The LP2981A-50DBVR is a low-dropout (LDO) linear voltage regulator designed for applications requiring efficient power management and stable voltage output. It is commonly used in:
1. Portable and battery-powered devices, such as smartphones and tablets, due to its low quiescent current and dropout voltage.
2. Wireless communication devices, providing stable power for RF components.
3. Microcontroller-based systems, for precision voltage regulation.
4. Consumer electronics, ensuring consistent performance of sensors and processors.
5. Industrial automation and control systems, offering reliable power supply in various environmental conditions.
Its compact SOT-23 package makes it suitable for space-constrained applications.
1. Portable and battery-powered devices, such as smartphones and tablets, due to its low quiescent current and dropout voltage.
2. Wireless communication devices, providing stable power for RF components.
3. Microcontroller-based systems, for precision voltage regulation.
4. Consumer electronics, ensuring consistent performance of sensors and processors.
5. Industrial automation and control systems, offering reliable power supply in various environmental conditions.
Its compact SOT-23 package makes it suitable for space-constrained applications.
Package
The LP2981A-50DBVR is a low dropout (LDO) linear voltage regulator packaged in a SOT-23-5 (Small Outline Transistor) configuration. This compact package is designed for space-constrained applications, offering a balance of size and thermal performance.
