LP2981IM5-2.5

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LP2981IM5-2.5

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IC REG LINEAR 2.5V 100MA SOT23-5

  • HerstellerTexas Instruments

  • Herstellerteil #LP2981IM5-2.5

  • Paket SOT-23 (DBV)-5

  • Auf Lager2203

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 2.5V
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

Übersicht

Description

The LP2981IM5-2.5 is a low-dropout (LDO) voltage regulator designed to provide a stable 2.5V output from a higher voltage input. Manufactured by Texas Instruments, this component is part of the LP2981 series, known for their high performance and efficiency in compact packages. The device comes in a SOT-23-5 package, making it ideal for use in space-constrained applications.
Key features of the LP2981IM5-2.5 include a low dropout voltage of typically 280mV at 100mA, a maximum output current of 100mA, and a low quiescent current, which helps in minimizing power consumption and extending battery life in portable devices. It also offers excellent load and line regulation, as well as over-temperature and over-current protection, enhancing its reliability and safety.
Common applications for the LP2981IM5-2.5 include portable electronics, battery-powered devices, and any other circuits requiring stable voltage regulation with minimal power loss. Its small size, efficiency, and robust performance make it a popular choice for engineers and designers.

Equivalent

Equivalent products to the LP2981IM5-2.5, a low-dropout (LDO) voltage regulator, include the MIC5205-2.5, MCP1700-2.5, and the TPS78325. These alternatives offer similar output voltage, dropout voltage, and current capabilities. However, always check the specific datasheets to confirm pin compatibility and performance characteristics for your application.

Features

The LP2981IM5-2.5 is a low-dropout (LDO) voltage regulator designed for various electronic applications. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 2.5V.
2. Low Dropout Voltage: Offers a low dropout voltage of typically 280mV at 100mA output current, which helps in efficient power management.
3. Output Current: Supports a maximum output current of up to 100mA.
4. High Accuracy: Ensures output voltage accuracy within ±1.5% at room temperature.
5. Low Quiescent Current: Typically around 30µA, making it suitable for battery-powered devices.
6. Shutdown Mode: Features a shutdown mode with a typical shutdown current of less than 1µA for power saving.
7. Thermal Protection: Integrated thermal shutdown to prevent overheating.
8. Current Limiting: Built-in current limiting to protect against overcurrent conditions.
9. Small Package: Available in a 5-pin SOT-23 package, suitable for space-constrained applications.
10. Temperature Range: Operates over a temperature range of -40°C to 125°C, ensuring reliability in diverse environments.
These features make the LP2981IM5-2.5 ideal for portable and battery-operated devices where efficient power regulation is crucial.

Pinout

The LP2981IM5-2.5 is a low-dropout (LDO) voltage regulator with a fixed output voltage of 2.5V. It is housed in a 5-pin SOT-23 package. Here's a concise summary of its pin count and function:
1. Pin Count: The LP2981IM5-2.5 has 5 pins.
2. Pin Functions:
- Pin 1 (GND): Ground pin for circuit reference.
- Pin 2 (VOUT): Output voltage pin; provides the regulated 2.5V output.
- Pin 3 (VEN): Enable pin; used to turn the regulator on or off. A high level enables the regulator, while a low level disables it.
- Pin 4 (VIN): Input voltage pin; receives the unregulated input voltage.
- Pin 5 (NC): No connection or not internally connected; often used for mechanical stability or as a routing aid.
The LP2981-2.5 is commonly used in battery-powered applications due to its low dropout voltage and quiescent current, providing efficient power regulation.

Manufacturer

The LP2981IM5-2.5 is manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide array of electronic components and integrated circuits. The company is renowned for its extensive portfolio, which includes analog and digital embedded processing products, such as microcontrollers, digital signal processors, and power management devices like the LP2981IM5-2.5, a low-dropout linear regulator. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in the electronics industry, catering to various sectors including automotive, industrial, consumer electronics, and communications equipment.

Application

The LP2981IM5-2.5 is a low-dropout (LDO) voltage regulator commonly used in applications requiring a stable 2.5V output. It is suitable for battery-powered devices, portable electronics, and communication equipment where space and power efficiency are crucial. Specific application areas include mobile phones, PDAs, digital cameras, and wireless modems. Its low quiescent current and high power-supply rejection make it ideal for noise-sensitive analog circuits. Additionally, it can be used in microcontroller power supplies and as a post-regulator for switching power supplies to provide clean and stable power.

Package

The LP2981IM5-2.5 is packaged in a SOT-23-5 package. This is a small-outline transistor package with five leads, commonly used for surface-mount applications.

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