L79L15ABD13TR Linear Voltage Regulator -15V 100mA 8-SOIC
- Brand: STMicroelectronics
- Product Code: L79L15ABD13TR
- Availability: In Stock
$0.10
- Ex Tax: $0.10
STMicroelectronics L79L15ABD13TR: Precision Linear Voltage Regulation for Demanding Applications
The L79L15ABD13TR from STMicroelectronics represents a new standard in negative voltage regulation technology. This fixed-output linear regulator delivers precise -15V regulation with exceptional stability across diverse operating conditions. Engineered for modern electronics, it combines compact 8-SOIC packaging with robust performance characteristics that make it ideal for space-constrained designs requiring reliable power management solutions.
Technical Excellence in Voltage Regulation
Operating as a negative voltage regulator, the L79L15ABD13TR maintains stable output voltage despite input fluctuations up to -35V maximum. With a rated output current of 100mA and a quiescent current of just 6mA, this device achieves optimal efficiency while maintaining exceptional voltage accuracy. The integrated protection features include over-temperature shutdown and short-circuit protection, ensuring reliable operation in challenging environments.
| Parameter | Specification |
|---|---|
| Output Voltage | -15V Fixed |
| Max Input Voltage | -35V |
| Output Current | 100mA |
| Package Type | 8-SOIC |
| Operating Temperature | -40°C to 125°C |
Advanced Design Features
The L79L15ABD13TR incorporates STMicroelectronics' proprietary semiconductor technology to deliver 39dB ripple rejection at 120Hz, effectively filtering power supply noise. This surface-mount device measures 3.90mm in width with a standard SOIC footprint, facilitating automated PCB assembly. The device's thermal protection system automatically reduces output current during overheating conditions, preventing permanent damage while maintaining system stability.
This voltage regulator's versatility makes it suitable for a wide range of applications including precision instrumentation, industrial control systems, telecommunications equipment, and automotive electronics. Its ability to maintain regulation across extreme temperatures (-40°C to 125°C) ensures reliable performance in both harsh industrial environments and consumer applications.
Design Advantages
Engineers benefit from the L79L15ABD13TR's simplified design requirements. The fixed output voltage eliminates external resistor divider networks, reducing component count and board space requirements. The device's inherent stability with capacitive loads typical of modern electronics minimizes the need for additional filtering components. When compared to alternative solutions, this regulator offers superior transient response characteristics while maintaining minimal dropout voltage performance.
In production environments, the L79L13TR variant's tape and reel packaging enables efficient automated assembly processes. With a minimum order quantity of just one unit, designers can easily evaluate this component before volume procurement. The device's RoHS compliance and lead-free construction ensure environmental regulatory compliance for global markets.
Tags: L79L15ABD13TR, STMicroelectronics, Voltage Regulator, 8-SOIC, Negative Voltage