LM2990T-15

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LM2990T-15

IC REG LINEAR -15V 1.8A TO220-3

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Spécifications

Part Status Obsolete
Output Configuration Negative
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) -26V
Voltage - Output (Min/Fixed) -15V
Voltage Dropout (Max) 1V @ 1A
Current - Output 1.8A
Current - Quiescent (Iq) 1 mA
PSRR 52dB (1kHz)
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220-3
Base Product Number LM2990
Current - Supply (Max) 5 mA

Vue d'ensemble

Description

The LM2990T-15 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 15V with a maximum output current of 1A. It features a low dropout voltage of typically 0.5V at full load, making it suitable for battery-operated devices where maximizing efficiency is critical. The device operates with an input voltage range of 16V to 30V, ensuring compatibility with various power supply configurations.
Key features include integrated protection mechanisms such as thermal shutdown and current limiting, which enhance reliability and safety. The LM2990T-15 is available in a TO-220 package, making it easy to incorporate into PCB designs. Additionally, it has a low output noise, contributing to its suitability for sensitive applications such as RF and audio devices.
Overall, the LM2990T-15 is a robust choice for applications requiring a reliable and efficient 15V power supply, offering both performance and ease of use in electronic designs.

Features

The LM2990T-15 is a low-dropout voltage regulator designed to provide a stable output voltage of 15V. Key features include:
1. Low Dropout Voltage: It offers a dropout voltage of around 0.5V at 1A load, enabling efficient regulation even with minimal input-output voltage differences.
2. High Output Current: Capable of delivering up to 1A of output current, making it suitable for various applications.
3. Thermal Protection: Integrated thermal shutdown to prevent damage due to overheating.
4. Short-Circuit Protection: Features current limiting to safeguard against output short circuits.
5. Fast Response: Quick transient response to load changes, ensuring stable output voltage.
6. Wide Input Voltage Range: Accepts input voltages up to 26V, providing flexibility for different power supply configurations.
7. TO-220 Package: Available in a TO-220 package for effective heat dissipation.
8. Low Quiescent Current: Consumes minimal power during operation, enhancing efficiency.
These features make the LM2990T-15 suitable for various applications, including telecommunications, automotive, and industrial electronics.

Package

The LM2990T-15 is typically available in a TO-220 package type, which is a standard through-hole package designed for power applications, offering good thermal performance and ease of mounting.

Pinout

The LM2990T-15 is a low dropout voltage regulator (LDO) with a pin count of 5. Its primary function is to provide a stable output voltage of 15V while maintaining a low dropout voltage, making it suitable for applications requiring a regulated power supply.
Pin Configuration:
1. Input (VIN): This pin receives the unregulated input voltage.
2. Output (VOUT): This pin delivers the regulated output voltage of 15V.
3. Ground (GND): This is the common ground reference for the circuit.
4. Adjust (ADJ): This pin is used for adjusting the output voltage if necessary, typically connected to a voltage divider or feedback network.
5. Protection (PROT): This pin is used for protection features, such as thermal shutdown or current limiting.
The LM2990T-15 is ideal for applications requiring low noise and minimal voltage drop, ensuring reliable performance in various electronic devices.

Manufacturer

The LM2990T-15 is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits for a wide array of applications, including analog, digital signal processing, and microcontrollers. Founded in 1930, TI is renowned for its innovations in electronics and is particularly well-known for its contributions to the development of calculators and embedded processing solutions. The company serves a diverse range of markets, including automotive, industrial, communications, and consumer electronics.

Application

The LM2990T-15 is a low-dropout voltage regulator commonly used in applications requiring stable voltage output, such as power supplies for microcontrollers, sensors, and communication equipment. It is ideal for battery-powered devices, automotive applications, and consumer electronics due to its efficiency and low noise. Additionally, it can be utilized in voltage regulation for RF circuits and as a reference voltage source in precision analog applications.

Equivalent

Equivalent products to the LM2990T-15 include the LM1117-15, LT1084-15, and MIC2940-15. These alternatives also provide low dropout voltage regulation at 15V, but check specifications for current capacity and thermal characteristics to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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