Texas Instruments

LM309H/NOPB

LM309H/NOPB Description

The LM309H/NOPB is a fixed positive linear voltage regulator designed for a wide range of applications requiring a stable 5.05V output. Manufactured by Texas Instruments, this regulator is part of the Linear & Switching Voltage Regulators category and is known for its robust performance and reliability. The LM309H/NOPB features a maximum input voltage of 25V and can deliver up to 1A of output current, making it suitable for various electronic systems that demand high efficiency and stability. With a maximum supply current of 10 mA and a quiescent current of 5.2 mA, this regulator ensures minimal power consumption even under no-load conditions. The device operates within a temperature range of 0°C to 125°C, making it ideal for both commercial and industrial environments. The LM309H/NOPB is housed in a TO39-3 package, which is through-hole mounted, ensuring mechanical stability and easy integration into PCB designs. It also includes over-temperature protection to safeguard against thermal runaway, enhancing the overall safety and longevity of the device. The LM309H/NOPB is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations and ensuring it is suitable for global markets. With a moisture sensitivity level of 1 (unlimited), this regulator can be stored and used in a variety of conditions without the risk of moisture-related damage.

LM309H/NOPB Features

• Fixed Positive Output Voltage: The LM309H/NOPB provides a stable 5.05V output, ensuring consistent power supply to connected devices.
• High Output Current Capability: With a maximum output current of 1A, this regulator can efficiently power demanding applications.
• Wide Input Voltage Range: The regulator operates with input voltages up to 25V, offering flexibility in power supply design.
• Low Quiescent Current: At 5.2 mA, the quiescent current is minimized, reducing power loss and improving overall efficiency.
• Over-Temperature Protection: This feature safeguards the regulator against thermal damage, enhancing reliability and longevity.
• Through-Hole Mounting: The TO39-3 package is designed for through-hole mounting, ensuring mechanical stability and ease of integration.
• Compliance and Environmental Safety: The LM309H/NOPB is REACH unaffected and RoHS3 compliant, meeting global environmental standards.
• Wide Operating Temperature Range: Suitable for use in environments ranging from 0°C to 125°C, making it versatile for various applications.

LM309H/NOPB Applications

The LM309H/NOPB is ideal for a variety of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Power Supply Units: Providing a stable 5.05V supply to critical components in power supply units.
• Industrial Control Systems: Ensuring reliable power delivery in harsh industrial environments.
• Telecommunications Equipment: Powering various modules and components in telecom infrastructure.
• Consumer Electronics: Used in devices that require a stable voltage supply, such as routers, modems, and set-top boxes.
• Automotive Electronics: Suitable for automotive applications where a stable power supply is essential for reliable operation.

Conclusion of LM309H/NOPB

The LM309H/NOPB from Texas Instruments is a robust and reliable fixed positive linear voltage regulator that offers a stable 5.05V output with a maximum current capacity of 1A. Its wide input voltage range, low quiescent current, and over-temperature protection make it an excellent choice for a variety of applications, from consumer electronics to industrial control systems. The through-hole mounting and compliance with environmental standards further enhance its versatility and suitability for global markets. Whether powering critical components in power supply units or ensuring reliable operation in automotive electronics, the LM309H/NOPB stands out as a dependable solution in the realm of linear voltage regulators.