STMicroelectronics

L79L15ACUTR

L79L15ACUTR Description

The L79L15ACUTR from STMicroelectronics is a fixed negative voltage regulator designed to deliver a stable -15V 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), making it suitable for harsh environments. With a quiescent current of 6mA and a low dropout voltage, it ensures efficient power management while minimizing energy waste. The device complies with ROHS3 and REACH environmental standards, ensuring reliability and sustainability.

L79L15ACUTR Features

• Output Type: Fixed -15V negative voltage regulation.
• High Current Capacity: Delivers up to 100mA output current.
• Low Quiescent Current: 6mA typical, enhancing power efficiency.
• Robust Protection: Integrated over-temperature and short-circuit protection for enhanced reliability.
• Excellent PSRR: 39dB at 120Hz, ensuring stable performance in noisy environments.
• Wide Operating Range: Functions reliably from 0°C to 125°C.
• Compact & Reliable: SOT89-3 package with MSL1 (Unlimited) moisture sensitivity, ideal for automated assembly.

L79L15ACUTR Applications

This regulator is ideal for applications requiring stable negative voltage rails, such as:

• Analog & Mixed-Signal Circuits: Powering op-amps, sensors, and data converters.
• Industrial Systems: PLCs, motor drives, and control modules requiring robust voltage regulation.
• Consumer Electronics: Audio amplifiers, portable devices, and power management subsystems.
• Automotive Electronics: Infotainment and sensor interfaces where temperature resilience is critical.
• Test & Measurement Equipment: Precision instruments demanding low-noise power supplies.

Conclusion of L79L15ACUTR

The L79L15ACUTR stands out for its compact design, high efficiency, and robust protection features, making it a superior choice for negative voltage regulation in demanding applications. Its wide operating temperature range, low quiescent current, and excellent PSRR ensure reliable performance across diverse industries. Whether for industrial, automotive, or consumer electronics, this regulator delivers precision, durability, and compliance with modern environmental standards.