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LP2992IM5-3.3
LP2992 MICROPOWER 250 MA LOW-NOI
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- 製造商。 部分 #LP2992IM5-3.3
- 包 SOT23-5
- 資料表 LP2992IM5-3.3 DataSheet
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概述
Description
The LP2992IM5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It is part of the LP2992 series from Texas Instruments. Key features include a low dropout voltage, typically around 200mV at full load, and a low quiescent current, making it suitable for battery-powered applications. It can deliver up to 250mA of output current, making it ideal for powering small circuits and devices.
The LP2992IM5-3.3 offers excellent line and load transient response, ensuring consistent performance even with varying input voltages and output loads. It typically has a high power supply rejection ratio (PSRR), which helps minimize the influence of input voltage noise on the output. Protection features include thermal shutdown and current limiting, enhancing reliability and safety.
Packaged in a small SOT-23-5 (M5) form factor, the LP2992IM5-3.3 is well-suited for compact circuit designs. Its stability with low equivalent series resistance (ESR) capacitors makes it versatile and easy to use in a wide range of applications, such as mobile devices, instrumentation, and other portable electronic devices.
The LP2992IM5-3.3 offers excellent line and load transient response, ensuring consistent performance even with varying input voltages and output loads. It typically has a high power supply rejection ratio (PSRR), which helps minimize the influence of input voltage noise on the output. Protection features include thermal shutdown and current limiting, enhancing reliability and safety.
Packaged in a small SOT-23-5 (M5) form factor, the LP2992IM5-3.3 is well-suited for compact circuit designs. Its stability with low equivalent series resistance (ESR) capacitors makes it versatile and easy to use in a wide range of applications, such as mobile devices, instrumentation, and other portable electronic devices.
Features
The LP2992IM5-3.3 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Here are its key features:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of approximately 150 mV at 50 mA load, allowing it to maintain regulation with minimal input-output voltage differential.
3. Output Current: Supports an output current of up to 250 mA.
4. Accuracy: Offers high output voltage accuracy, typically within ±1.5%.
5. Quiescent Current: Features extremely low quiescent current (typically around 30 µA), making it suitable for battery-powered applications.
6. Noise Performance: Provides low output noise (typically 30 µV RMS) without the need for an external bypass capacitor.
7. Thermal Protection: Includes internal thermal overload protection to prevent damage from overheating.
8. Package: Available in a space-saving SOT-23-5 package.
9. Reverse Battery and Output Protection: Equipped with reverse battery protection and reverse output protection.
10. Applications: Ideal for portable and battery-powered devices, sensors, and other applications requiring efficient voltage regulation.
These features make the LP2992IM5-3.3 suitable for applications demanding precision voltage regulation with minimal power consumption.
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of approximately 150 mV at 50 mA load, allowing it to maintain regulation with minimal input-output voltage differential.
3. Output Current: Supports an output current of up to 250 mA.
4. Accuracy: Offers high output voltage accuracy, typically within ±1.5%.
5. Quiescent Current: Features extremely low quiescent current (typically around 30 µA), making it suitable for battery-powered applications.
6. Noise Performance: Provides low output noise (typically 30 µV RMS) without the need for an external bypass capacitor.
7. Thermal Protection: Includes internal thermal overload protection to prevent damage from overheating.
8. Package: Available in a space-saving SOT-23-5 package.
9. Reverse Battery and Output Protection: Equipped with reverse battery protection and reverse output protection.
10. Applications: Ideal for portable and battery-powered devices, sensors, and other applications requiring efficient voltage regulation.
These features make the LP2992IM5-3.3 suitable for applications demanding precision voltage regulation with minimal power consumption.
Package
The LP2992IM5-3.3 is a low-dropout linear voltage regulator and typically comes in a SOT-23-5 package.
Pinout
The LP2992IM5-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable 3.3V output from a higher input voltage. This specific variant is housed in a 5-pin SOT-23 package. Here is a brief overview of the pin functions:
1. Pin 1 (VIN): Input voltage. Connects to the voltage source that needs to be regulated.
2. Pin 2 (GND): Ground. Common return path for the input and output.
3. Pin 3 (SHDN): Shutdown. This pin is used to enable or disable the regulator. When connected to ground, the regulator is enabled; when connected to a high voltage, it enters a low-power shutdown mode.
4. Pin 4 (BYPASS): Bypass. An optional pin used to connect a capacitor to ground for reducing output noise and improving transient response.
5. Pin 5 (VOUT): Output voltage. Provides the regulated 3.3V output.
The LP2992IM5-3.3 is known for its low dropout voltage, excellent line and load regulation, and low quiescent current, making it suitable for battery-powered applications.
1. Pin 1 (VIN): Input voltage. Connects to the voltage source that needs to be regulated.
2. Pin 2 (GND): Ground. Common return path for the input and output.
3. Pin 3 (SHDN): Shutdown. This pin is used to enable or disable the regulator. When connected to ground, the regulator is enabled; when connected to a high voltage, it enters a low-power shutdown mode.
4. Pin 4 (BYPASS): Bypass. An optional pin used to connect a capacitor to ground for reducing output noise and improving transient response.
5. Pin 5 (VOUT): Output voltage. Provides the regulated 3.3V output.
The LP2992IM5-3.3 is known for its low dropout voltage, excellent line and load regulation, and low quiescent current, making it suitable for battery-powered applications.
Manufacturer
The LP2992IM5-3.3 is a low-dropout linear voltage regulator manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These components are used in electronics for a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. TI is well-known for its innovation in analog and embedded processing products, and it is one of the largest semiconductor companies in the world.
Application
The LP2992IM5-3.3 is a low-dropout (LDO) voltage regulator commonly used in applications requiring stable 3.3V power supply, such as battery-powered devices, portable electronics, wireless communication systems, and microcontroller-based applications. Its low quiescent current makes it ideal for energy-efficient and space-constrained applications. Additionally, it is used in systems requiring low noise and high power supply rejection ratio (PSRR), such as sensitive analog circuits and RF modules.
Equivalent
The LP2992IM5-3.3 is a low-dropout (LDO) voltage regulator providing 3.3V output. Equivalent products include:
1. MIC5205-3.3 from Microchip Technology
2. NCP4991-3.3 from ON Semiconductor
3. ADP3333 from Analog Devices
4. TS2950-3.3 from STMicroelectronics
5. LT1763-3.3 from Analog Devices (formerly Linear Technology)
These alternatives offer similar voltage regulation and package options but check specific parameters to ensure compatibility with your application.
1. MIC5205-3.3 from Microchip Technology
2. NCP4991-3.3 from ON Semiconductor
3. ADP3333 from Analog Devices
4. TS2950-3.3 from STMicroelectronics
5. LT1763-3.3 from Analog Devices (formerly Linear Technology)
These alternatives offer similar voltage regulation and package options but check specific parameters to ensure compatibility with your application.
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