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LP2981-30DBVR
+BOMIC REG LINEAR 3V 100MA SOT23-5
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LP2981-30DBVR
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Bảng dữ liệu LP2981-30DBVR DataSheet
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Gói SOT-23 (DBV)-5
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Có sẵn3443
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 3V |
| 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 |
Tổng quan
Description
The LP2981-30DBVR is a low-dropout (LDO) linear voltage regulator designed by Texas Instruments. It is part of the LP2981 series, known for its high performance and efficiency in regulating output voltage. The "-30" in its model number specifies that the device outputs a fixed voltage of 3.0 volts.
Key features include a low dropout voltage, typically around 280mV at 100mA load, and low quiescent current, making it suitable for battery-powered applications. The LP2981-30DBVR can deliver a maximum output current of 100mA, sufficient for small to medium load applications. It offers excellent output voltage accuracy and is equipped with internal current limiting and thermal overload protection for reliability.
The device comes in a small SOT-23 package, making it ideal for space-constrained designs. It is commonly used in portable devices, microcontroller power supplies, and any application requiring a stable 3.0V power source. Additionally, it supports a wide input voltage range, enhancing its flexibility in different circuit designs.
Key features include a low dropout voltage, typically around 280mV at 100mA load, and low quiescent current, making it suitable for battery-powered applications. The LP2981-30DBVR can deliver a maximum output current of 100mA, sufficient for small to medium load applications. It offers excellent output voltage accuracy and is equipped with internal current limiting and thermal overload protection for reliability.
The device comes in a small SOT-23 package, making it ideal for space-constrained designs. It is commonly used in portable devices, microcontroller power supplies, and any application requiring a stable 3.0V power source. Additionally, it supports a wide input voltage range, enhancing its flexibility in different circuit designs.
Equivalent
The LP2981-30DBVR is a 3.0V low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205-3.0YM5 - from Microchip Technology.
2. MCP1700T-3002 - also from Microchip Technology.
3. NCP702SN30T1G - from ON Semiconductor.
4. AMS1117-3.0 - from Advanced Monolithic Systems.
5. TLV1117-30 - from Texas Instruments.
These alternatives offer similar voltage regulation capabilities and are suited for equivalent applications. Always verify specifications for compatibility in your specific application.
1. MIC5205-3.0YM5 - from Microchip Technology.
2. MCP1700T-3002 - also from Microchip Technology.
3. NCP702SN30T1G - from ON Semiconductor.
4. AMS1117-3.0 - from Advanced Monolithic Systems.
5. TLV1117-30 - from Texas Instruments.
These alternatives offer similar voltage regulation capabilities and are suited for equivalent applications. Always verify specifications for compatibility in your specific application.
Features
The LP2981-30DBVR is a low-dropout (LDO) linear voltage regulator designed for portable and battery-powered applications. Key features include:
1. Output Voltage: Fixed at 3.0V.
2. Input Voltage Range: Typically operates from 2.1V to 16V.
3. Output Current: Capable of delivering up to 100 mA.
4. Low Dropout Voltage: Approximately 280 mV at 100 mA load, ensuring efficient operation.
5. Quiescent Current: Very low, typically around 30 µA, making it suitable for battery-operated devices.
6. High Accuracy: Output voltage accuracy within ±1.5%.
7. Shutdown Mode: Features an enable pin for easy on/off control, reducing current consumption to about 1 µA when off.
8. Thermal Protection: Includes thermal shutdown and current limit protection to enhance reliability.
9. Package: Available in a compact SOT-23-5 package, ideal for space-constrained applications.
10. Stability: Requires only a small ceramic output capacitor for stability.
These features make the LP2981-30DBVR suitable for applications like mobile phones, PDAs, and other battery-operated devices.
1. Output Voltage: Fixed at 3.0V.
2. Input Voltage Range: Typically operates from 2.1V to 16V.
3. Output Current: Capable of delivering up to 100 mA.
4. Low Dropout Voltage: Approximately 280 mV at 100 mA load, ensuring efficient operation.
5. Quiescent Current: Very low, typically around 30 µA, making it suitable for battery-operated devices.
6. High Accuracy: Output voltage accuracy within ±1.5%.
7. Shutdown Mode: Features an enable pin for easy on/off control, reducing current consumption to about 1 µA when off.
8. Thermal Protection: Includes thermal shutdown and current limit protection to enhance reliability.
9. Package: Available in a compact SOT-23-5 package, ideal for space-constrained applications.
10. Stability: Requires only a small ceramic output capacitor for stability.
These features make the LP2981-30DBVR suitable for applications like mobile phones, PDAs, and other battery-operated devices.
Pinout
The LP2981-30DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a SOT-23-5 package, which has 5 pins. The “30” in its designation indicates that it outputs a fixed voltage of 3.0 volts.
Here is a brief overview of the pin functions:
1. IN (Input): This pin is used to supply the input voltage to the regulator.
2. GND (Ground): This pin is connected to the ground.
3. OUT (Output): This pin provides the regulated output voltage.
4. BYP (Bypass): This pin is used to connect a bypass capacitor, which helps improve the noise performance and transient response of the regulator.
5. SHDN (Shutdown): This pin is used to enable or disable the device. When connected to ground, the regulator is disabled, and when connected to a high level, it is enabled.
The LP2981-30DBVR is well-suited for applications requiring efficient voltage regulation with low power consumption and is commonly used in portable and battery-powered devices.
Here is a brief overview of the pin functions:
1. IN (Input): This pin is used to supply the input voltage to the regulator.
2. GND (Ground): This pin is connected to the ground.
3. OUT (Output): This pin provides the regulated output voltage.
4. BYP (Bypass): This pin is used to connect a bypass capacitor, which helps improve the noise performance and transient response of the regulator.
5. SHDN (Shutdown): This pin is used to enable or disable the device. When connected to ground, the regulator is disabled, and when connected to a high level, it is enabled.
The LP2981-30DBVR is well-suited for applications requiring efficient voltage regulation with low power consumption and is commonly used in portable and battery-powered devices.
Manufacturer
The LP2981-30DBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers worldwide. TI is particularly known for its analog and embedded processing products. The company plays a significant role in the electronics industry, providing components that are essential for the operation of a wide range of devices, including consumer electronics, automotive systems, industrial machinery, and more.
Application
The LP2981-30DBVR is a low-dropout (LDO) voltage regulator commonly used in various applications. It is widely employed in battery-powered devices due to its low quiescent current, making it ideal for prolonging battery life. Typical application areas include portable electronics, such as smartphones and tablets, wearable devices, and wireless communication modules. It is also used in industrial and consumer electronics for voltage regulation in microcontrollers, sensors, and other low-power components. Its small package size and high precision make it suitable for applications requiring space-efficient and reliable power management solutions.
Package
The LP2981-30DBVR is packaged in a SOT-23-5 configuration. This is a small outline, surface-mount package with five pins, commonly used for compact electronic circuits.
