LP3982ILD-3.3

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LP3982ILD-3.3

+Nomenclature

IC REG LINEAR 3.3V 300MA 8-WSON

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Spécifications

Attribut Valeur
PartStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.22V @ 200mA
Current-Output 300mA
Current-Quiescent(Iq) 270 µA
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad
SupplierDevicePackage 8-WSON (3x2.5)
BaseProductNumber LP3982

Présentation

Description

The LP3982ILD-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V with high precision and low noise. It is part of the LP3982 series, which is characterized by its low quiescent current, making it suitable for battery-powered applications. The device features a maximum output current capability of 200 mA, ensuring efficient performance in a variety of electronic circuits.
Key features include a wide input voltage range, thermal shutdown protection, and a low dropout voltage, which allows it to maintain regulation even when the input voltage is close to the output voltage. The LP3982ILD-3.3 is available in a compact package, making it ideal for space-constrained designs. Its low output noise and fast transient response enhance its performance in sensitive applications such as RF and audio systems. Overall, the LP3982ILD-3.3 is an excellent choice for applications requiring reliable voltage regulation with minimal power loss.

Equivalent

The LP3982ILD-3.3 is a low-dropout (LDO) voltage regulator providing a 3.3V output. Equivalent products include the TPS78233, LM1117-3.3, MIC5205-3.3, and MCP1700-3302E. These alternatives also offer similar voltage regulation and performance characteristics, but verify specifications such as output current, dropout voltage, and thermal performance for compatibility with your application.

Features

The LP3982ILD-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output of 3.3V. Key features include:
1. Low Dropout Voltage: Typically 250mV at full load, ensuring efficiency even with low input-output voltage differentials.
2. High Output Current: Capable of delivering up to 200mA, suitable for powering various low-power applications.
3. Excellent Load and Line Regulation: Provides stable output under varying load conditions and input voltage fluctuations.
4. Low Quiescent Current: Minimizes power consumption in standby modes, enhancing battery life in portable devices.
5. Thermal Shutdown and Overcurrent Protection: Integrated safety features protect the device from overheating and excessive current.
6. Compact Package: Available in a small SOT-23-5 package, facilitating space-saving designs.
7. Wide Input Voltage Range: Operates effectively with input voltages up to 16V, making it versatile for different applications.
These features make the LP3982ILD-3.3 an ideal choice for powering microcontrollers, sensors, and low-power devices.

Pinout

The LP3982ILD-3.3 is a low-dropout (LDO) linear voltage regulator with a pin count of 5.
### Pin Functions:
1. Input (VIN): This pin receives the input voltage, typically from a power source.
2. Ground (GND): This pin is connected to the ground of the system.
3. Output (VOUT): This pin provides the regulated output voltage, which is 3.3V for this version.
4. Enable (EN): This pin is used to enable or disable the regulator. A high signal turns the regulator on, while a low signal turns it off.
5. Feedback (FB): This pin is used for voltage feedback to maintain the output voltage at 3.3V.
The LP3982ILD-3.3 is designed for low power applications and features a low dropout voltage, making it suitable for battery-powered devices.

Manufacturer

The LP3982ILD-3.3 is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, which are essential for a wide range of electronic devices. The company's product portfolio includes analog and digital signal processing solutions, microcontrollers, and embedded processing solutions, catering to various industries such as automotive, industrial, communications, and consumer electronics. Texas Instruments is known for its innovation and engineering excellence, making it a key player in the semiconductor industry. The LP3982 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage with low noise and high accuracy, often used in battery-powered devices and other applications requiring efficient power management.

Application

The LP3982ILD-3.3 is a low-dropout (LDO) voltage regulator primarily used in applications requiring stable and precise 3.3V power supply. Key application areas include:
1. Mobile Devices: Powering microcontrollers and sensors in smartphones and tablets.
2. Consumer Electronics: Providing regulated output for audio/video devices.
3. Industrial Equipment: Serving as a power source for control circuits and signal processing.
4. Automotive Systems: Supplying voltage to electronic control units (ECUs) and infotainment systems.
5. IoT Devices: Powering low-power devices and wireless sensors in smart homes and industrial IoT applications.
Its low noise and high PSRR make it suitable for sensitive applications.

Package

The LP3982ILD-3.3 is provided in a small, low-profile 5-pin SOT-23 package. This package type is designed for space-constrained applications, offering a compact footprint suitable for various electronic circuits.

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