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LP3992-18B5F
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FabricanteLOWPOWER
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Peça do Fabricante #LP3992-18B5F
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Especificações
| Atributo | Valor |
| Manufacturer | LOWPOWER |
| Package | SOT-23-5 |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 300mA |
| Voltage - Supply | 5.5V |
| Power Supply Rejection Ratio (PSRR) | 76dB@(1kHz) |
| Features | Overcurrent Protection |
| Output Voltage | 1.8V |
| Operating Temperature | -40℃~+125℃@(Tj) |
| Output Configuration | Positive electrode |
Visão Geral
Description
The LP3992-18B5F is a low-dropout (LDO) voltage regulator designed for powering sensitive analog and digital circuits. It offers a fixed output voltage of 1.8V with a maximum output current of 300mA. This component is characterized by its low output noise and high power supply rejection ratio (PSRR), making it suitable for applications in portable devices, RF circuits, and battery-powered equipment.
Key features include a wide input voltage range, typically from 2.5V to 5.5V, and the ability to maintain stable output under varying load conditions. Protection features such as thermal shutdown and current limiting enhance its reliability.
The LP3992-18B5F is available in a compact package, which helps save space in circuit design, and is commonly used in applications such as mobile phones, tablets, and other consumer electronics. Its efficiency and performance make it an excellent choice for designers looking for dependable power management solutions.
Key features include a wide input voltage range, typically from 2.5V to 5.5V, and the ability to maintain stable output under varying load conditions. Protection features such as thermal shutdown and current limiting enhance its reliability.
The LP3992-18B5F is available in a compact package, which helps save space in circuit design, and is commonly used in applications such as mobile phones, tablets, and other consumer electronics. Its efficiency and performance make it an excellent choice for designers looking for dependable power management solutions.
Equivalent
The LP3992-18B5F is a low-dropout (LDO) voltage regulator. Equivalent products include the TPS7A47 from Texas Instruments, MIC5219 from Micrel, and the LT1763 from Analog Devices. Also consider the MCP1825 from Microchip as a potential alternative. Always verify specifications like output voltage, current, and dropout voltage to ensure compatibility.
Features
The LP3992-18B5F is a low-dropout (LDO) linear voltage regulator designed for high-performance applications. Key features include:
1. Output Voltage: Fixed output voltage of 1.8V.
2. Low Dropout Voltage: Achieves a low dropout of 200mV at 300mA load, enhancing efficiency.
3. Output Current: Capable of supplying up to 300mA of continuous output current.
4. Power Supply Rejection Ratio (PSRR): High PSRR, which ensures minimal output voltage variation in response to input fluctuations.
5. Temperature Range: Operates over a wide temperature range, making it suitable for various applications.
6. Compact Package: Available in a small SOT23-5 package, ideal for space-constrained designs.
7. Short-Circuit Protection: Features built-in protection mechanisms to prevent damage under fault conditions.
8. Low Quiescent Current: Designed for low quiescent current, enhancing battery life in portable devices.
These characteristics make the LP3992-18B5F suitable for powering microcontrollers, RF applications, and other sensitive electronics.
1. Output Voltage: Fixed output voltage of 1.8V.
2. Low Dropout Voltage: Achieves a low dropout of 200mV at 300mA load, enhancing efficiency.
3. Output Current: Capable of supplying up to 300mA of continuous output current.
4. Power Supply Rejection Ratio (PSRR): High PSRR, which ensures minimal output voltage variation in response to input fluctuations.
5. Temperature Range: Operates over a wide temperature range, making it suitable for various applications.
6. Compact Package: Available in a small SOT23-5 package, ideal for space-constrained designs.
7. Short-Circuit Protection: Features built-in protection mechanisms to prevent damage under fault conditions.
8. Low Quiescent Current: Designed for low quiescent current, enhancing battery life in portable devices.
These characteristics make the LP3992-18B5F suitable for powering microcontrollers, RF applications, and other sensitive electronics.
Pinout
The LP3992-18B5F is a low-dropout (LDO) voltage regulator with a pin count of 5. Its primary functions include providing a stable output voltage of 1.8V, suitable for various electronic applications. The pinout is as follows:
1. Input (VIN): Connects to the input power supply.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Provides the regulated output voltage of 1.8V.
4. Control (EN): Enable pin to turn the regulator on or off.
5. Bypass (BP): Connects to an external capacitor for improved transient response and noise performance.
This device is known for its low quiescent current and high power supply rejection ratio (PSRR), making it ideal for battery-powered applications.
1. Input (VIN): Connects to the input power supply.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Provides the regulated output voltage of 1.8V.
4. Control (EN): Enable pin to turn the regulator on or off.
5. Bypass (BP): Connects to an external capacitor for improved transient response and noise performance.
This device is known for its low quiescent current and high power supply rejection ratio (PSRR), making it ideal for battery-powered applications.
Manufacturer
The LP3992-18B5F is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, including power management, analog, and embedded processing solutions.
The company primarily serves the electronics industry and provides products that are utilized in a diverse range of applications, such as consumer electronics, automotive, communications, and industrial sectors. Texas Instruments is recognized for its innovation and leadership in the semiconductor space, contributing significantly to advancements in electronic technologies. In addition to its semiconductor products, TI offers development tools and technical support to assist engineers in designing and optimizing their electronic systems.
The company primarily serves the electronics industry and provides products that are utilized in a diverse range of applications, such as consumer electronics, automotive, communications, and industrial sectors. Texas Instruments is recognized for its innovation and leadership in the semiconductor space, contributing significantly to advancements in electronic technologies. In addition to its semiconductor products, TI offers development tools and technical support to assist engineers in designing and optimizing their electronic systems.
Application
The LP3992-18B5F is a low-dropout (LDO) voltage regulator primarily used in applications requiring stable voltage supply with low noise. It is ideal for powering portable devices, microcontrollers, RF applications, and analog circuits where precision and performance are critical. Common application areas include battery-powered devices, mobile phones, handheld electronics, and automotive electronics. Additionally, it finds use in consumer electronics, industrial equipment, and any application where efficient voltage regulation is necessary for sensitive components. Its compact size and efficient thermal performance make it suitable for space-constrained designs.
Package
The LP3992-18B5F is available in a 5-pin SOT-23 package. This compact surface-mount package is designed for low-dropout (LDO) voltage regulation applications.
