Overview
The TL431BIDBVR is a three-terminal adjustable shunt regulator produced by Texas Instruments. This component is part of the TL431 family, known for its high precision and adjustable output voltage. The TL431BIDBVR is particularly suited for applications requiring a stable reference voltage with good thermal stability, making it ideal for various industrial, automotive, and commercial uses.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reference Voltage Tolerance | At 25°C | - | - | 0.5% | % |
| Output Voltage Range | - | 2.495 V | - | 36 V | V |
| Cathode-Anode Voltage | - | - | - | 37 V | V |
| Cathode Current | - | 1 mA | - | 100 mA | mA |
| Operating Temperature Range | - | -40°C | - | 85°C | °C |
| Package Type | - | - | - | SOT-23-3 | - |
| Dimensions | - | - | - | 2.92 x 1.3 x 1 mm | mm |
Key Features
- Adjustable Output Voltage: The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V using two external resistors.
- High Precision: The TL431BIDBVR has a reference voltage tolerance of 0.5% at 25°C, ensuring high accuracy in voltage regulation.
- Low Output Noise: This component exhibits low output noise characteristics, making it suitable for applications requiring stable voltage references.
- Low Output Impedance: A typical output impedance of 0.2 Ω ensures minimal voltage drop and efficient current sinking capability.
- Wide Operating Temperature Range: The device operates from -40°C to 85°C, making it suitable for industrial and automotive applications.
- Compact Package: The SOT-23-3 package is small and surface-mountable, ideal for space-constrained designs.
Applications
- Industrial AC/DC Power Supplies: Used in power conversion applications in industrial environments to provide a stable reference voltage.
- AC Inverters and Variable Frequency Drives (VF Drives): Provides a stable reference voltage in inverters and VF drives.
- Servo Drive Control Modules: Serves as a voltage reference in servo systems to ensure precise control.
- Automotive Electronics: Used for voltage regulation and reference in automotive electronic systems, such as battery management systems and in-car entertainment systems).
- On-Board Regulation and Switching Power Supplies: Excellent replacements for Zener diodes in many applications, including on-board regulation and switching power supplies).
Q & A
- What is the reference voltage tolerance of the TL431BIDBVR?
The reference voltage tolerance of the TL431BIDBVR is 0.5% at 25°C.
- What is the adjustable output voltage range of the TL431BIDBVR?
The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V using two external resistors).
- What is the operating temperature range of the TL431BIDBVR?
The device operates from -40°C to 85°C).
- What is the typical output impedance of the TL431BIDBVR?
The typical output impedance is 0.2 Ω).
- What is the maximum cathode current of the TL431BIDBVR?
The maximum cathode current is 100 mA).
- What package type is the TL431BIDBVR available in?
The TL431BIDBVR is available in a SOT-23-3 package).
- What are the dimensions of the TL431BIDBVR package?
The dimensions are 2.92 x 1.3 x 1 mm).
- Is the TL431BIDBVR suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide operating temperature range and high precision).
- Can the TL431BIDBVR replace Zener diodes in some applications?
Yes, it can replace Zener diodes in many applications due to its active output circuitry and sharp turn-on characteristic).
- What is the maximum input voltage for the TL431BIDBVR?
The maximum input voltage is 37 V).
