ON Semiconductor SC431BVSNT1G Adjustable Shunt Regulator

The ON Semiconductor SC431BVSNT1G is a precision adjustable shunt regulator that offers a versatile solution for maintaining a stable voltage level in a wide range of electronic applications. This three-terminal regulator is an equivalent to the industry-standard TL431 but with improved specifications that make it suitable for more demanding environments. It is commonly used in power supplies, battery chargers, and voltage monitoring systems, offering a high degree of flexibility due to its adjustability.

Key Features:

• Voltage Range: The SC431BVSNT1G provides an adjustable output voltage range from 2.5V to 36V, enabling it to be used in various circuits without the need for different fixed regulators.
• Precision Reference: It features a typical output voltage tolerance of ±0.5%, ensuring accurate voltage regulation for sensitive electronic components.
• Low Dynamic Output Impedance: With a dynamic output impedance of 0.2Ω, this regulator facilitates stable voltage supply even under changing load conditions.
• High Current Capability: The device is capable of handling a continuous current of up to 100mA, making it suitable for a broad range of applications.
• Temperature Stability: The SC431BVSNT1G is designed to maintain its performance over a wide operating temperature range, providing reliable operation in varying environmental conditions.
• Extended Lifetime: The regulator is characterized for a long operational life, which is crucial for applications where long-term reliability is essential.

Applications:

• Switching power supplies
• Linear power supplies
• Adjustable power supplies
• Battery-operated equipment
• Voltage monitoring
• Automotive electronics

The SC431BVSNT1G is available in a small SOT-23 surface-mount package, making it ideal for space-constrained applications. Its robust design ensures that it can withstand harsh conditions while providing precise voltage regulation. ON Semiconductor's commitment to quality means that this adjustable shunt regulator is a reliable choice for designers looking to create efficient and stable power management systems.

For detailed specifications and application notes, designers are encouraged to consult the datasheet provided by ON Semiconductor. This will ensure that the SC431BVSNT1G is utilized to its fullest potential in their specific applications.