STMicroelectronics

L79L12ACUTR

L79L12ACUTR Description

The L79L12ACUTR from STMicroelectronics is a fixed negative voltage regulator designed to deliver a stable -12V output with a 100mA current capacity. Packaged in a compact SOT89-3 surface-mount form factor and supplied in Tape & Reel (TR), this IC is optimized for space-constrained applications. It operates across a wide temperature range (0°C to 125°C), ensuring reliability in harsh environments. With a quiescent current (Iq) of 6mA and a PSRR of 42dB at 120Hz, it provides efficient noise suppression, making it suitable for sensitive analog and digital circuits.

L79L12ACUTR Features

• Output Configuration: Negative voltage regulation (-12V) for specialized power requirements.
• High Efficiency: Low dropout and 6.5mA max supply current enhance energy efficiency.
• Robust Protection: Integrated over-temperature and short-circuit protection safeguards against fault conditions.
• Stable Performance: 42dB PSRR ensures minimal output ripple in noisy environments.
• Compliance: ROHS3 and REACH compliant, meeting global environmental standards.
• Reliability: MSL 1 (Unlimited) moisture sensitivity rating simplifies storage and handling.

L79L12ACUTR Applications

• Industrial Systems: Powering sensors, actuators, and control modules in automation.
• Consumer Electronics: Negative rail generation for audio amplifiers and display drivers.
• Telecom Infrastructure: Voltage regulation in signal processing and RF circuits.
• Medical Devices: Low-noise power supply for precision analog components.
• Automotive Electronics: Auxiliary power management in infotainment and ADAS systems.

Conclusion of L79L12ACUTR

The L79L12ACUTR stands out for its compact design, robust protection, and high PSRR, making it ideal for applications demanding stable negative voltage regulation. Its wide operating temperature range and compliance with environmental standards further enhance its suitability for industrial, automotive, and consumer markets. For engineers seeking a reliable, space-efficient solution, this regulator offers a balanced combination of performance and durability.