Texas Instruments

LM3490IM5-3.3/NOPB  

Linear & Switching Voltage Regulators

LM3490IM5-3.3/NOPB Description

The LM3490IM5-3.3/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments, offering a stable 3.3V output voltage with a maximum output current of 100mA. This regulator is housed in a compact SOT23-5-mount surface package, making it suitable for a wide range of applications where space is a critical factor. The device is designed to operate with an input voltage range up to 30V, ensuring compatibility with various power sources. The LM3490IM5-3.3/NOPB features a low dropout voltage of 1.2V at 100mA, which enhances its efficiency, especially in applications where the input voltage is close to the output voltage.

LM3490IM5-3.3/NOPB Features

• Fixed Output Voltage: The LM3490IM5-3.3/NOPB provides a stable 3.3V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Input Voltage Range: With a maximum input voltage of 30V, this regulator can handle a wide range of input voltages, making it versatile for various power supply configurations.
• Low Dropout Voltage: The maximum dropout voltage of 1.2V at 100mA ensures high efficiency, particularly in low-headroom applications where the input voltage is close to the output voltage.
• Enable Control Feature: The regulator includes an enable control feature, allowing users to turn the regulator on and off, which is useful for power management and reducing power consumption during standby modes.
• Short-Circuit Protection: The device is equipped with short-circuit protection, safeguarding it and the connected circuitry from damage due to overcurrent conditions.
• Low Quiescent Current: A quiescent current of only 4mA ensures minimal power consumption during operation, making it suitable for battery-powered and energy-efficient applications.
• Surface-Mount Package: The SOT23-5 package is ideal for surface-mount assembly, providing a compact and reliable solution for modern electronic designs.
• Compliance and Reliability: The LM3490IM5-3.3/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited exposure to standard manufacturing environments.

LM3490IM5-3.3/NOPB Applications

The LM3490IM5-3.3/NOPB is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics such as smartphones, tablets, and IoT devices.
• Industrial Control Systems: Suitable for providing stable power to control modules, sensors, and communication interfaces in industrial automation and control systems.
• Telecommunications: Can be used in telecom equipment for powering low-voltage components, ensuring reliable operation in various environmental conditions.
• Medical Devices: Appropriate for powering critical components in medical devices where stability and reliability are paramount.
• Automotive Electronics: Useful in automotive applications for powering electronic control units (ECUs) and other onboard electronics.

Conclusion of LM3490IM5-3.3/NOPB

The LM3490IM5-3.3/NOPB from Texas Instruments is a robust and efficient linear voltage regulator that offers a stable 3.3V output with a maximum current of 100mA. Its low dropout voltage, enable control feature, and short-circuit protection make it a versatile and reliable choice for a wide range of applications. The compact SOT23-5 package and surface-mount design ensure ease of integration into modern electronic systems. Although the product is marked as obsolete, its technical specifications and features continue to make it a valuable component for applications requiring a stable and efficient power supply.

LM3490IM5-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LM3490IM5-3.3/NOPB