STMicroelectronics L78M05ABDT-TR Linear Voltage Regulator 5V 500mA

Reliable Voltage Regulation for Modern Electronic Systems

The STMicroelectronics L78M05ABDT-TR linear voltage regulator represents a perfect blend of performance and reliability in power management solutions. This DPAK-packaged regulator delivers precise 5V fixed output voltage with up to 500mA current capacity, making it an essential component for countless electronic applications requiring stable power supply.

Advanced Linear Regulation Technology

Engineered with STMicroelectronics' proven semiconductor technology, this voltage regulator maintains consistent output despite input voltage fluctuations up to 35V. Its surface mount design enables seamless integration into modern PCB layouts while the integrated protection features ensure long-term reliability in demanding environments.

Comprehensive Protection System

Designed with robust safety mechanisms, the L78M05ABDT-TR incorporates multiple protection features including:

• Over-temperature shutdown
• Over-current limiting
• Short-circuit protection

These safeguards ensure reliable operation across various industrial and consumer electronics applications where power stability is critical.

Thermal Performance and Efficiency

The device's thermal shutdown feature prevents damage from excessive power dissipation, while its 62dB PSRR (Power Supply Rejection Ratio) at 120Hz ensures minimal noise interference. The low dropout voltage characteristic (though not specified in this model) allows efficient operation even under varying input conditions.

Industrial Grade Durability

Built to withstand harsh operating environments, this regulator maintains performance across extreme temperatures from -40°C to 150°C. The TO-252-3 (DPAK) surface mount package combines mechanical durability with excellent thermal dissipation properties, making it suitable for both automated assembly and demanding field applications.

Design Flexibility and Compatibility

As part of STMicroelectronics' comprehensive power management portfolio, the L78M05ABDT-TR offers seamless compatibility with various power supply architectures. Its fixed voltage output eliminates the need for external resistive dividers, simplifying design while maintaining precision regulation across varying load conditions.

Supply Chain Considerations

Available in tape and reel packaging (TR), this component supports efficient automated PCB assembly processes. With standard pricing at $0.72 per unit and available stock quantities exceeding 57,500 units, it provides excellent scalability for both prototype development and mass production requirements.

Tags: Voltage Regulator, Power Management, STM IC, DPAK Package, 5V Supply