STMicroelectronics L78L08ABUTR 8V 100mA Linear Voltage Regulator in SOT-89-3 Package
- Brand: STMicroelectronics
- Product Code: L78L08ABUTR
- Availability: In Stock
$0.07
- Ex Tax: $0.07
Compact Power Regulation for Modern Electronics
The STMicroelectronics L78L08ABUTR represents a fundamental building block in modern electronic design, offering reliable voltage regulation for diverse applications. This three-terminal linear regulator delivers a fixed 8V output with exceptional stability, making it ideal for powering sensitive circuits in consumer, industrial, and automotive electronics. Its SOT-89-3 package combines space efficiency with effective thermal management, addressing both performance and design constraints.
Technical Excellence in Voltage Regulation
Engineered with precision, this device maintains stable output voltage across varying load conditions. Its 30V maximum input voltage capability provides flexibility in power source selection, while the 100mA output current rating supports moderate-power applications. The integrated protection features - over-current, over-temperature, and short-circuit safeguards - ensure robust operation in demanding environments. With a typical dropout voltage of just 2V and quiescent current of 5.5mA, it optimizes energy efficiency while maintaining regulation accuracy.
| Parameter | Value |
|---|---|
| Output Voltage | 8V Fixed |
| Max Input Voltage | 30V |
| Output Current | 100mA |
| Operating Temperature | -40°C to 125°C |
| Package Type | SOT-89-3 |
Design Versatility
This regulator's thermal shutdown feature prevents damage from excessive power dissipation, while its compact surface-mount package enables integration into space-constrained designs. The device's PSRR (Power Supply Rejection Ratio) of 45dB at 120Hz ensures clean output voltage even with fluctuating input sources. Its operating temperature range (-40°C to 125°C) makes it suitable for both commercial and industrial applications, from battery-powered devices to automotive systems.
Engineers appreciate the L78L08ABUTR's ease of implementation - requiring only basic external components for stable operation. The regulator's inherent simplicity reduces design complexity compared to switching alternatives, while its protection features minimize the need for additional circuitry. This balance of performance and simplicity makes it particularly valuable in cost-sensitive applications where reliability remains critical.
Applications Across Industries
The regulator's versatility shines in various applications: from powering microcontroller units (MCUs) in IoT devices to providing stable voltage references in measurement equipment. Automotive systems benefit from its temperature resilience in engine control modules, while consumer electronics use it to maintain consistent performance in audio equipment and portable devices. Industrial control systems leverage its stability for sensor interfaces and programmable logic controllers.
Tags: STM IC, Fixed Voltage Regulator, SOT Package, Industrial Electronics, Automotive Components