LP3987H-33B5F

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LP3987H-33B5F

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Especificações

Atributo Valor
Manufacturer LOWPOWER
Package SOT-23-5
Operating Temperature -40℃~+125℃@(Tj)
Voltage - Supply 6V
Output Type Fixed
Number of Outputs 1
Output Current 600mA
Power Supply Rejection Ratio (PSRR) -65dB@(1kHz)
Features Overcurrent Protection
Output Voltage 3.3V
Output Configuration Positive electrode

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Description

The LP3987H-33B5F is a low-dropout (LDO) linear voltage regulator, designed for efficient power management in electronic devices. It provides a regulated output voltage of 3.3 volts with a maximum output current capacity typically around 150 mA, making it suitable for applications with moderate power requirements. The device ensures stable performance with a low quiescent current, which helps in extending battery life in portable devices.
Key features of the LP3987H-33B5F include its excellent transient response, low output noise, and high power supply rejection ratio (PSRR), which contribute to the reliable operation of sensitive circuits. The regulator is also equipped with thermal and short-circuit protection mechanisms to enhance its robustness and reliability.
Its compact package size, usually in a SOT (Small Outline Transistor) or similar form factor, allows for easy integration into space-constrained circuit boards. This makes the LP3987H-33B5F ideal for use in a wide range of applications, including mobile phones, digital cameras, and other portable electronic devices.

Equivalent

The LP3987H-33B5F is a low-dropout (LDO) linear voltage regulator. Equivalent products with similar specifications could include:
1. MIC5205-3.3BM5 by Microchip Technology
2. TLV1117-33CDCY by Texas Instruments
3. AMS1117-3.3 by Advanced Monolithic Systems.
These alternatives provide similar output voltages and current ratings, but it's important to review each datasheet for exact compatibility with your application needs.

Features

The LP3987H-33B5F is a low-dropout (LDO) linear voltage regulator. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically supports a range that extends above the specified output voltage, making it versatile for various input sources.
3. Low Dropout Voltage: The LDO architecture ensures minimal voltage drop across the regulator, improving efficiency.
4. Output Current: Capable of delivering a specific output current suitable for powering small to medium load applications.
5. Low Quiescent Current: Designed to consume minimal current during operation, enhancing battery life in portable devices.
6. Thermal Protection: Integrated thermal shutdown to prevent overheating under excessive load or high ambient temperatures.
7. Short-Circuit Protection: Guards against overcurrent conditions, protecting both the regulator and the load.
8. Stability: Typically requires minimal external components for stability, often just a couple of capacitors.
9. Package Options: Available in compact, surface-mount packages suitable for space-constrained applications.
These features make the LP3987H-33B5F suitable for powering digital, analog, and RF circuits.

Pinout

The LP3987H-33B5F is a low-dropout (LDO) linear voltage regulator. It typically comes in a small package such as SOT-23-5, which has 5 pins. The function of this device is to provide a stable and regulated output voltage of 3.3V from a higher input voltage. It is designed for low power applications and offers features like low noise, low quiescent current, and high accuracy. The specific pin configuration may include:
1. Input Voltage (Vin): Connects to the input voltage source.
2. Ground (GND): Reference point for the circuit and ground connection.
3. Output Voltage (Vout): Provides the regulated 3.3V output.
4. Enable (EN): Used to enable or disable the regulator (active high).
5. Bypass (BP) or Feedback (FB): Used for noise reduction or feedback control, depending on the package variant.
These pins and features make the LP3987H-33B5F suitable for applications in battery-powered devices, offering high efficiency and performance in a compact form factor. Always refer to the datasheet for precise details and pin assignments.

Manufacturer

The LP3987H-33B5F is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. TI is known for its innovations in the fields of analog and embedded processing products. The company serves a diverse set of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its focus on engineering, research and development, and its strong emphasis on sustainability and corporate responsibility.

Application

The LP3987H-33B5F is a low-dropout linear voltage regulator designed for various applications. Its key application areas include portable electronics, such as smartphones and tablets, where efficient power management is crucial. It's also used in wireless communication devices, battery-powered equipment, and handheld instruments. The regulator is suitable for applications requiring stable and precise voltage supply, making it ideal for powering microcontrollers, sensors, and other semiconductor devices. Additionally, its low quiescent current and high power supply rejection ratio make it suitable for low-noise analog systems and RF applications.

Package

The LP3987H-33B5F is a low-dropout (LDO) voltage regulator typically housed in a SOT-23-5 package. This package type is small, suitable for compact circuit board applications, and provides efficient thermal performance.

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