TL431BQDBZR,215

The TL431BQDBZR,215 is a precision voltage reference and adjustable shunt regulator manufactured by Nexperia. It is designed for a variety of applications, including power management, voltage regulation, and signal conditioning. Here’s a detailed description of its features and specifications:

General Description:

The TL431 is a three-terminal adjustable shunt regulator that can operate as a voltage reference or a linear regulator. It is often used in power supply circuits to provide a stable reference voltage, making it ideal for applications requiring precise voltage regulation.

Key Features:

1. Adjustable Output Voltage: The output voltage can be adjusted from 1.24V to 36V, allowing for flexibility in various applications.
2. High Accuracy: The device offers a typical reference voltage accuracy of ±1%, ensuring reliable performance in precision applications.
3. Temperature Stability: The TL431 has a low temperature coefficient, which enhances its stability over a wide temperature range, typically from -40°C to +125°C.
4. Low Output Impedance: The device features low output impedance, which helps maintain a stable output voltage under varying load conditions.
5. Wide Supply Voltage Range: It can operate with a supply voltage ranging from 2.5V to 36V, making it suitable for a variety of power supply designs.
6. Fast Response Time: The TL431 has a fast response time to changes in load or input voltage, which is critical for maintaining stable output in dynamic conditions.
7. Built-in Protection: The device includes internal current limiting and thermal shutdown features, enhancing its reliability and safety in circuit applications.

Package Information:

The TL431BQDBZR,215 is typically available in a compact SOT23-3 package, which is suitable for surface mount technology (SMT). This small form factor allows for efficient use of board space in modern electronic designs.

Applications:

• Power supply circuits (switching and linear)
• Voltage regulation in battery chargers
• Reference voltage for ADCs and DACs
• Feedback control in power converters
• Signal conditioning in various electronic devices

Electrical Characteristics:

• Reference Voltage (Vref): 1.24V (typical)
• Reference Voltage Tolerance: ±1% (at 25°C)
• Operating Current (Iref): Typically around 1 mA
• Output Current (Iout): Up to 100 mA
• Temperature Coefficient: Typically 20 ppm/°C

Conclusion:

The TL431BQDBZR,215 from Nexperia is a versatile and reliable component for voltage regulation and reference applications. Its adjustable output, high accuracy, and robust performance make it a popular choice among engineers for designing efficient power management solutions in a wide range of electronic devices.