LP2989AIMX-3.3

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LP2989AIMX-3.3

IC REG LINEAR 3.3V 500MA 8SOIC

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Specifications

Package Tape & Reel (TR)
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.65V @ 500mA
Current-Output 500mA
Current-Quiescent(Iq) 175 µA
Current-Supply(Max) 9 mA
PSRR 60dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output. It is part of the LP2989 series, which are known for their high performance, low noise, and low dropout characteristics. This specific model is capable of delivering up to 500 mA of output current, making it suitable for a wide range of applications, including battery-powered devices, portable electronics, and other systems where power efficiency is crucial.
Key features of the LP2989AIMX-3.3 include a low dropout voltage (typically 280 mV at full load), high accuracy output voltage (usually ±1% over temperature and line variations), and low quiescent current (around 30 µA). It also offers excellent line and load transient response and is equipped with features like current limiting and thermal shutdown to protect against overload conditions.
The device comes in a surface-mount package, which is ideal for space-constrained applications. Its low noise and high power supply rejection ratio (PSRR) make it suitable for sensitive RF circuits and other noise-sensitive applications. Overall, the LP2989AIMX-3.3 is a reliable, efficient voltage regulator solution.

Features

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator designed to provide a fixed 3.3V output. Key features include:
1. High Precision Output: Offers accurate output voltage with a low dropout characteristic, ensuring efficient performance even when input voltage is close to the output voltage.
2. Low Noise: Equipped with noise reduction capabilities, making it suitable for sensitive applications requiring stable voltage with minimal interference.
3. High PSRR: Provides a high Power Supply Rejection Ratio (PSRR), which minimizes the impact of input voltage fluctuations on the output.
4. Output Current: Capable of delivering a substantial output current, suitable for a variety of applications.
5. Thermal Protection: Integrated thermal overload protection to prevent damage from overheating.
6. Short Circuit Protection: Safeguards the device against short circuit conditions.
7. Compact Package: Available in a small package, making it ideal for space-constrained applications.
These features make the LP2989AIMX-3.3 particularly useful in applications requiring reliable, low-noise power supply, such as in portable devices and communication equipment.

Package

The LP2989AIMX-3.3 is typically packaged in an SOIC-8 (Small Outline Integrated Circuit) package. This is an 8-pin surface-mount package commonly used for integrated circuits.

Pinout

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator. It typically comes in an 8-pin package, specifically the SOIC-8 or VSSOP-8 configuration. The primary function of the LP2989AIMX-3.3 is to maintain a constant 3.3V output voltage, which is commonly used for powering electronic circuits that require a precise voltage supply.
Key functions of the pins are as follows:
1. Vin: Input voltage supply.
2. GND: Ground connection.
3. Vout: Regulated output voltage.
4. Shutdown (SHDN): Enables or disables the regulator output.
5. Error flag (ERROR): Indicates output voltage status.
6. Bypass (BP): Allows connection of a capacitor to improve output noise performance.
7. NC (No Connect) or Sense: Typically not connected or used for remote sensing of the output voltage.
The device is designed for applications requiring a stable voltage output with low noise and high accuracy, suitable for sensitive electronics or digital circuits.

Manufacturer

The LP2989AIMX-3.3 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. The company specializes in manufacturing semiconductors for various applications, including analog chips, embedded processors, and digital light processing technologies. TI's products are used in diverse markets such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Known for its innovation and large portfolio of analog and digital solutions, TI is a leader in the electronics industry.

Application

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator designed for applications requiring precise voltage regulation and low power consumption. Its application areas include powering microcontrollers, digital signal processors (DSPs), and other digital circuits. It is also used in battery-powered devices, portable electronics, and communication equipment, where reliable voltage supply and efficiency are critical. The regulator is suitable for use in systems requiring a stable 3.3V output with low noise and fast transient response.

Equivalent

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. MIC5205-3.3 by Microchip Technology
3. NCP1117-3.3 by ON Semiconductor
4. ADP3338-3.3 by Analog Devices
5. AMS1117-3.3 by Advanced Monolithic Systems
These products offer similar voltage regulation capabilities with a 3.3V output. Ensure compatibility in terms of package, dropout voltage, and current rating for your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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