STMicroelectronics L78L05ABD13TR Linear Voltage Regulator 5V 100mA

Reliable Voltage Regulation for Modern Electronics

The STMicroelectronics L78L05ABD13TR stands as a testament to precision engineering in linear voltage regulation technology. Designed to deliver stable 5V output with exceptional reliability, this 100mA regulator represents the culmination of decades of semiconductor innovation. As part of STMicroelectronics' esteemed portfolio of power management solutions, this device combines proven performance with modern design requirements for contemporary electronic systems.

Technical Excellence in Power Management

Operating within a wide input voltage range up to 30V, this fixed-output regulator maintains exceptional stability through its integrated protection circuitry. The device's 5.5mA quiescent current and 49dB PSRR (Power Supply Rejection Ratio) at 120Hz ensure clean power delivery even in electrically noisy environments. Its thermal shutdown and over-current protection features make it particularly suitable for applications where reliability is paramount.

Design Advantages

Manufacturers benefit from the device's compact 8-SOIC packaging (3.90mm width) that facilitates space-efficient designs while maintaining thermal performance. The regulator's surface-mount configuration enables automated assembly processes, reducing manufacturing costs. Its tape-and-reel packaging format further streamlines production integration for high-volume applications.

Industrial Applications

This regulator finds application across diverse sectors including industrial control systems, embedded microcontroller boards, telecommunications equipment, and consumer electronics. The device's wide operating temperature range makes it particularly suitable for harsh environments, while its short-circuit protection ensures robust operation in unpredictable field conditions.

Performance Characteristics

With its 49dB PSRR at 120Hz, the L78L05ABD13TR effectively rejects ripple from unregulated power supplies, ensuring clean DC output. The regulator's dropout voltage characteristics (though not specified in this variant) typically enable efficient operation even with marginal input voltages. The device's 6mA maximum supply current specification contributes to overall system power efficiency.

Quality and Reliability

STMicroelectronics' rigorous quality control processes ensure consistent device performance across production batches. The regulator's active product status indicates ongoing manufacturer support and availability, making it a reliable choice for long-term design projects. The component's RoHS compliance and industry-standard packaging ensure environmental compliance and supply chain flexibility.

Tags: Power Management ICs, Low Voltage Regulators, Surface Mount Components, Industrial Power Supplies, Embedded System Parts