LP2989AIMX-3.3

Abbildungen dienen nur als Referenz

LP2989AIMX-3.3

+Stückliste

IC REG LINEAR 3.3V 500MA 8SOIC

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
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)

Übersicht

Description

The LP2989AIMX-3.3 is a low-dropout (LDO) linear voltage regulator designed by Texas Instruments. It provides a stable 3.3V output from a higher input voltage, typically up to 16V, with a dropout voltage as low as 280mV at full load. This makes it suitable for powering low-voltage digital circuits from a higher voltage source, ensuring efficient energy use with minimal heat generation. Key features include a 500mA output current capability, low quiescent current, and excellent line and load transient response, making it ideal for battery-powered applications or systems requiring high efficiency and precision. Additional features include thermal shutdown and current limiting for enhanced reliability and protection. The device is available in a surface-mount package, facilitating easy integration into compact circuit designs. Its robust performance and reliability make the LP2989AIMX-3.3 a versatile choice for numerous applications in portable electronics, communication devices, and industrial systems.

Equivalent

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products might include:
1. Micrel MIC5205-3.3: Offers similar low-dropout performance.
2. Texas Instruments TPS79333: Features low noise and low dropout.
3. ON Semiconductor NCP1117-3.3: Common LDO with similar specs.
4. Analog Devices ADP3333: Provides low dropout and high accuracy.
Ensure compatibility by checking specific parameters like dropout voltage, output current, and package type for your application.

Features

The LP2989AIMX-3.3 is a voltage regulator from Texas Instruments, designed to provide a stable output voltage of 3.3V. Key features include:
1. High Accuracy: Offers a precise 3.3V output with an accuracy of ±1.5% across load and temperature variations.
2. Low Dropout Voltage: With a dropout voltage of typically 280 mV at full load, it is efficient for low voltage applications.
3. Low Noise: The device includes a noise bypass capacitor pin for low noise output without requiring an external filter.
4. Thermal Protection: Equipped with thermal overload protection to prevent damage from overheating.
5. Current Limit: Features current limiting to protect against overcurrent conditions, enhancing reliability.
6. Reverse Battery Protection: Protects against reverse polarity connections.
7. Enable Pin: Includes an enable pin for easy ON/OFF control, reducing power consumption when not in use.
8. Stable with Ceramic Capacitors: Compatible with ceramic capacitors which are typically smaller and more reliable.
These features make the LP2989AIMX-3.3 suitable for applications requiring reliable power regulation with minimal external components.

Pinout

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator produced by Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Below is a concise description of its pin functions:
1. VIN: Input voltage pin where the unregulated voltage is supplied.
2. VOUT: Output voltage pin that provides the regulated 3.3V output.
3. GND: Ground pin, which is the common return for input and output.
4. NR: Noise reduction pin used to connect an external capacitor for reducing output noise.
5. SD: Shutdown pin that allows the device to be turned off to conserve power.
6. BYPS: Bypass pin, which further reduces noise by connecting a capacitor.
7. NC: No Connection pin; it is not internally connected and can be used as a mechanical support.
8. FB: Feedback pin used in adjustable versions, not typically utilized in fixed-output like the 3.3V version.
The LP2989AIMX-3.3 is designed for applications requiring low noise and precise voltage regulation.

Manufacturer

The LP2989AIMX-3.3 is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for producing a wide range of electronic components, including analog chips, embedded processors, and digital light processing (DLP) technology. TI operates in various sectors, including industrial, automotive, personal electronics, and communications equipment, providing solutions that improve performance, reliability, and efficiency.

Application

The LP2989AIMX-3.3, a low-dropout (LDO) voltage regulator, is typically used in applications requiring stable 3.3V power supply from a higher voltage source. Key application areas include:
1. Consumer Electronics: For devices like smartphones, tablets, and laptops to ensure efficient power management.
2. Networking Equipment: Used in routers and switches to regulate power.
3. Industrial Automation: Provides stable power to sensors and microcontrollers.
4. Telecommunications: Powers components in base stations and other communication devices.
5. Medical Devices: Ensures precise voltage control for sensitive electronics.
These applications benefit from the regulator’s low noise and high accuracy characteristics.

Package

The LP2989AIMX-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, designated by the "MX" in the part number, which refers to the marking for the SOIC package version.

Produkte, die mit LP2989AIMX-3.3 zusammenhängen