LP2981IM5X-3.3

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LP2981IM5X-3.3

IC REG LINEAR 3.3V 100MA SOT23-5

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 3.3V
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

概述

Description

The LP2981IM5X-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output. It is part of the LP2981 series from Texas Instruments, known for its low quiescent current and efficient power regulation capabilities. The device operates with an input voltage range typically between 2.5V and 16V, making it suitable for various electronic applications that require a 3.3V supply.
Key features include a low dropout voltage, typically around 280mV at 100mA load current, which enhances its efficiency, especially in battery-powered applications. It also offers a low quiescent current, which helps conserve battery life. The LP2981IM5X-3.3 comes in a small SOT-23 package, making it ideal for space-constrained designs.
Additional features include output current limiting, thermal overload protection, and reverse battery protection, ensuring reliable performance under various conditions. It is commonly used in portable devices, microcontroller power supplies, and other circuits requiring a stable 3.3V output. The "IM5X" suffix denotes specific packaging and reel options for automated manufacturing processes.

Features

The LP2981IM5X-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output. Key features include:
1. Low Dropout Voltage: It operates with a low dropout voltage of around 200 mV at 100 mA, making it efficient for battery-powered applications.

2. Output Current: It can supply up to 100 mA of output current.
3. High Accuracy: It offers a high output voltage accuracy, typically within ±0.75% at room temperature.
4. Low Quiescent Current: The device consumes a low quiescent current, typically around 30 µA, which is ideal for battery-operated devices.
5. Thermal and Overcurrent Protection: It includes built-in protection features against overcurrent and overheating, ensuring reliable operation.
6. Stability: The regulator is stable with small ceramic capacitors, which helps in minimizing board space.
7. Package: It is available in a small SOT-23-5 package, which is suitable for space-constrained applications.
8. Operating Temperature Range: It supports a wide operating temperature range from -40°C to +125°C, making it suitable for various environmental conditions.
These features make the LP2981IM5X-3.3 well-suited for portable devices and other applications demanding efficient voltage regulation.

Package

The LP2981IM5X-3.3 is a voltage regulator packaged in a SOT-23-5 form. This package is a small outline transistor package with five leads, suitable for surface-mount technology.

Pinout

The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator with a fixed output of 3.3V. It is typically housed in a SOT-23-5 package, which features 5 pins. Here are the pin functions:
1. Pin 1 (GND): This is the ground pin, serving as the reference for the input and output voltages.
2. Pin 2 (VOUT): This pin provides the regulated output voltage.
3. Pin 3 (SENSE/NC): In some configurations, this pin is used for load regulation or left unconnected (NC).
4. Pin 4 (VIN): This pin is for the input voltage, which should be higher than the desired output voltage.
5. Pin 5 (ON/OFF): This pin is used to enable or disable the regulator. A high level turns the regulator on, and a low level turns it off.
The LP2981IM5X-3.3 is known for its low dropout voltage, low quiescent current, and high accuracy, making it suitable for battery-powered applications.

Manufacturer

The LP2981IM5X-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. TI's products are used in a broad range of applications, including industrial, automotive, personal electronics, communication equipment, and more. The company is well-known for its innovation in the electronics and semiconductor industries, producing a diverse range of products, such as microcontrollers, processors, analog ICs, and power management solutions like the LP2981IM5X-3.3, which is a low-dropout (LDO) voltage regulator.

Application

The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator designed for applications requiring precise voltage regulation and low power consumption. Its typical application areas include battery-powered devices, portable electronics, and wireless communication devices. Additionally, it is used in microcontroller power supplies, sensors, and other circuits where stable 3.3V power is essential. Its small size and efficiency make it ideal for compact and energy-sensitive designs.

Equivalent

The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator with a fixed output of 3.3V. Equivalent products include the Texas Instruments TLV70033, Microchip Technology MCP1700-3302E/TT, and ON Semiconductor NCP4681DSQ33T1G. Each of these offers similar functionality in terms of voltage regulation, package type (SOT-23-5), and electrical characteristics. Always ensure compatibility with your specific application requirements.

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