Texas Instruments

LM337H  

Linear & Switching Voltage Regulators

LM337H Description

The LM337H is a high-performance, adjustable negative linear voltage regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for applications requiring a stable and adjustable negative voltage output. The LM337H features a maximum output current of 500mA, making it suitable for a wide range of electronic systems that demand precise voltage regulation.

LM337H Features

• Output Type: The LM337H offers an adjustable output voltage, allowing users to fine-tune the voltage level to meet specific application requirements.
• Output Current: With a maximum output current of 500mA, this regulator can efficiently power various electronic components and circuits.
• Output Configuration: The negative output configuration is particularly useful for applications requiring a negative voltage supply.
• Protection Features: The LM337H includes over-temperature and short-circuit protection, ensuring reliable operation and safeguarding against potential damage.
• Performance: This regulator boasts a Power Supply Rejection Ratio (PSRR) of 60dB at 120Hz, which helps in maintaining a stable output voltage even under varying input conditions.
• Compliance: The LM337H is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Mounting Type: The through-hole mounting type facilitates easy integration into printed circuit boards (PCBs) and ensures robust mechanical stability.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (unlimited), the LM337H is suitable for storage and handling in various environmental conditions without the need for special precautions.
• Packaging: Available in bulk packaging, this option is cost-effective for large-scale production and inventory management.

LM337H Applications

The LM337H is versatile and finds applications in a variety of electronic systems, including:

• Power Supplies: Ideal for creating stable negative voltage rails in power supply units.
• Audio Equipment: Provides clean and stable power for sensitive audio circuits, enhancing performance and reducing noise.
• Industrial Control Systems: Ensures reliable operation in harsh industrial environments where precise voltage regulation is crucial.
• Medical Devices: Suitable for medical equipment that requires stable power supply with stringent safety and compliance standards.
• Telecommunications: Used in telecom infrastructure to power various components that require a negative voltage supply.

Conclusion of LM337H

The LM337H from Texas Instruments is a robust and reliable negative linear voltage regulator that offers adjustable output voltage and a maximum output current of 500mA. Its unique features, such as over-temperature and short-circuit protection, combined with its compliance with environmental and safety standards, make it a preferred choice for a wide range of applications. The LM337H's high PSRR and through-hole mounting type further enhance its performance and ease of integration. Whether used in power supplies, audio equipment, industrial control systems, medical devices, or telecommunications, the LM337H ensures stable and efficient operation, making it a standout component in the power management domain.

LM337H Documents

Download datasheets and manufacturer documentation for LM337H

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)      

Application Notes :

LB-46 A New Production Technique for Trimming Voltage Regulators      

SPICE Models :

LM337-N Unencrypted PSpice Transient Model       LM337-N PSpice Transient Model