LM2990SX-5.0

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LM2990SX-5.0

IC REG LINEAR -5V 1.8A TO263

  • 제조업체
  • Mfr.부분 #LM2990SX-5.0
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사양

Part Status Obsolete
Output Configuration Negative
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) -26V
Voltage - Output (Min/Fixed) -5V
Voltage Dropout (Max) 1V @ 1A
Current - Output 1.8A
Current - Quiescent (Iq) 1 mA
Current - Supply (Max) 5 mA
PSRR 58dB (1kHz)
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Supplier Device Package TO-263 (DDPAK-3)
Base Product Number LM2990

개요

Description

The LM2990SX-5.0 is a low-dropout (LDO) voltage regulator designed to provide a stable 5V output with high precision and low noise. It features a maximum output current of 1A and operates efficiently with a dropout voltage of around 0.5V at full load. The device is typically used in applications requiring a reliable power supply for sensitive electronics, such as RF circuits, portable devices, and microcontrollers.
Key features include thermal shutdown, short-circuit protection, and a wide operating temperature range, making it suitable for various environments. The LM2990SX-5.0 also boasts low quiescent current, enhancing battery life in portable applications. It is housed in a compact surface-mount package, facilitating easy integration into circuit designs. Overall, the LM2990SX-5.0 offers a robust solution for achieving precise voltage regulation in space-constrained applications.

Features

The LM2990SX-5.0 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 5.0V. Key features include:
1. Low Dropout Voltage: Typically 0.5V at 1A load, allowing for efficient operation with minimal input-output voltage difference.
2. Current Capability: Supports output currents up to 1A, making it suitable for various applications.
3. Wide Input Voltage Range: Accepts input voltages up to 30V, providing flexibility in power supply options.
4. Thermal Protection: Features built-in thermal shutdown to prevent overheating and ensure reliability.
5. Short Circuit Protection: Offers protection against output short circuits, enhancing safety.
6. High PSRR: Provides a high power supply rejection ratio, ensuring stable output even with varying input conditions.
7. Low Quiescent Current: Maintains low current consumption when not loaded, improving overall efficiency.
8. TO-220 Package: Available in a TO-220 package, facilitating easy heat dissipation and mounting.
These features make the LM2990SX-5.0 ideal for use in portable devices, consumer electronics, and automotive applications.

Package

The LM2990SX-5.0 is packaged in a TO-220 form factor.

Pinout

The LM2990SX-5.0 is a low-dropout linear voltage regulator with a pin count of 5. Its pin configuration and functions are as follows:
1. Input (Vin): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (Vout): Provides a regulated output voltage of 5.0V.
4. Adjust (Adj): Used for setting the output voltage; typically not connected for fixed output versions like the LM2990SX-5.0.
5. Bypass (BYP): Optional bypass capacitor connection for improved transient response and stability.
This device is designed for applications requiring a stable 5V output with low dropout voltage, making it suitable for battery-operated devices and other low-voltage applications.

Manufacturer

The LM2990SX-5.0 is manufactured by Texas Instruments (TI), a renowned semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions, including microcontrollers, processors, and various types of integrated circuits. Founded in 1930, TI is a leader in innovation, focusing on applications in sectors such as automotive, industrial, communications, and consumer electronics. The LM2990SX-5.0 is a low-dropout (LDO) voltage regulator, typically used in power management applications to provide stable output voltage. TI is known for its commitment to quality and reliability in electronic components.

Application

The LM2990SX-5.0 is a low-dropout linear voltage regulator primarily used in applications requiring a stable 5V output. Common application areas include powering microcontrollers, sensors, and other digital circuits, as well as in battery-operated devices where efficiency is crucial. It is also suitable for automotive electronics, telecommunications equipment, and consumer electronics to provide regulated voltage with low noise and high line/load transient response.

Equivalent

Equivalent products to the LM2990SX-5.0 include the LT1086-5.0, LM1086-5.0, and LM317 (with appropriate resistors for fixed output). Additionally, the MIC29302-5.0 and AMS1117-5.0 can serve similar functions, depending on the specific application and requirements. Always check the datasheets for compatibility in terms of voltage, current, and thermal performance.

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