Texas Instruments

LM109H

LM109H Description

The LM109H is a high-performance linear voltage regulator designed by Texas Instruments, a leading manufacturer in the electronics industry. This IC is part of the Power Management (PMIC) category and is specifically engineered to provide stable and reliable power regulation for a wide range of applications. The LM109H features a fixed output voltage of 5.05V and can deliver a maximum output current of 200mA. It operates with a maximum input voltage of 25V, ensuring compatibility with various power sources.

The regulator is designed with a single regulator configuration, providing a positive output configuration. It has a maximum supply current of 10mA, ensuring efficient power usage. The quiescent current (Iq) is rated at 5.2mA, which is crucial for maintaining low power consumption during standby or low-load conditions. The LM109H is housed in a Through Hole package, making it suitable for applications requiring robust mechanical stability and ease of integration into printed circuit boards.

LM109H Features

• Fixed Output Voltage: The LM109H provides a fixed output voltage of5 .05V, ensuring consistent power supply to connected devices.
• High Output Current: With a maximum output current of 200mA, the regulator is capable of powering a variety of electronic components and systems.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 25V, offering flexibility in power source selection.
• Protection Features: The LM109H includes over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Low Quiescent Current: The 5.2mA quiescent current ensures minimal power consumption during low-load conditions, enhancing overall system efficiency.
• Through Hole Mounting: The Through Hole package type provides robust mechanical stability and ease of integration into PCBs.
• Compliance and Status: The LM109H is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has an ECCN classification of EAR99 and an HTSUS code of 8542.39.0001, facilitating international trade and compliance.

LM109H Applications

The LM109H is ideal for a variety of applications where stable and reliable power regulation is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as radios, calculators, and portable audio equipment.
• Industrial Equipment: Suitable for low-power industrial applications where a stable 5.05V supply is needed.
• Automotive Systems: Can be used in automotive applications for powering electronic control units and other low-power systems.
• Telecommunications: Provides stable power for telecommunication devices and infrastructure components.
• Medical Devices: Ensures reliable power supply for medical equipment requiring precise voltage regulation.

Conclusion of LM109H

The LM109H is a versatile and reliable linear voltage regulator that offers a fixed output voltage of 5.05V and a maximum output current of 200mA. Its wide input voltage range, low quiescent current, and robust protection features make it an excellent choice for a variety of applications. The Through Hole package ensures mechanical stability and ease of integration, while its compliance with environmental and regulatory standards ensures it meets the requirements of modern electronics. Whether used in consumer electronics, industrial equipment, automotive systems, telecommunications, or medical devices, the LM109H provides stable and efficient power regulation, making it a valuable component in the electronics industry.