onsemi

LM431SACM32X

LM431SACM32X Description

The LM431SACM32X from onsemi is a precision shunt voltage reference IC designed for adjustable output voltage applications. Housed in a compact SOT23-3 package and available in Tape & Reel (TR), this device offers a 2.5V to 36V adjustable output range with a tight ±2% tolerance and a low 50ppm/°C typical temperature coefficient. It operates with a 1 mA cathode current and delivers up to 100 mA output current, making it suitable for high-precision voltage regulation in space-constrained designs. The LM431SACM32X is RoHS3 compliant, REACH unaffected, and rated for MSL 1 (Unlimited) moisture sensitivity, ensuring reliability in industrial and automotive environments.

LM431SACM32X Features

• Adjustable Output: Wide 2.5V–36V range for versatile design flexibility.
• High Precision: ±2% tolerance and 50ppm/°C tempco ensure stable performance.
• Low Cathode Current: Operates down to 1 mA, reducing power consumption.
• High Output Current: Supports 100 mA, enabling robust load regulation.
• Compact & Reliable: SOT23-3 package with MSL 1 rating for easy integration.
• Compliance: ROHS3, REACH Unaffected, and EAR99/ECCN certified.

LM431SACM32X Applications

• Voltage Regulation: Precision references in power supplies and DC-DC converters.
• Battery Management: Voltage monitoring in portable electronics and EV chargers.
• Industrial Control: Stable biasing for sensors, ADCs, and DACs.
• Automotive Systems: Reliable performance in infotainment and ECUs.
• Consumer Electronics: Cost-effective solution for LED drivers and audio amplifiers.

Conclusion of LM431SACM32X

The LM431SACM32X stands out for its adjustability, precision, and compact form factor, making it ideal for applications demanding tight voltage control. Its low tempco, high output current, and compliance certifications provide a competitive edge over similar shunt references. Whether in industrial, automotive, or consumer systems, this device delivers consistent performance with minimal design overhead. Engineers seeking a versatile, high-performance voltage reference will find the LM431SACM32X a compelling choice.