Overview
The TL431AIDBZR is a three-terminal adjustable shunt regulator produced by Texas Instruments. This component is designed to provide a precise and stable reference voltage, making it suitable for a wide range of applications, including industrial and automotive systems. The TL431AIDBZR offers high accuracy and thermal stability, ensuring reliable performance across various operating conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Reference Voltage Tolerance | - | 1% | - | - |
| Adjustable Output Voltage | 2.495 V | - | 36 V | V |
| Operating Temperature Range | -40 °C | - | 85 °C | °C |
| Typical Temperature Drift | - | 14 mV | - | mV |
| Output Impedance | 0.2 Ω | - | 0.5 Ω | Ω |
| Sink-Current Capability | 1 mA | - | 100 mA | mA |
| Package Type | - | SOT-23-3 (DBZ) | - | - |
Key Features
- High Accuracy: Reference voltage tolerance of 1% (Class A accuracy).
- Adjustable Output Voltage: Adjustable from Vref (approximately 2.5 V) to 36 V, set by two external resistors.
- Wide Operating Temperature Range: Operates from -40 °C to 85 °C, making it suitable for industrial and automotive applications.
- Low Output Noise: Features low output noise characteristics, ensuring stable voltage output.
- Low Output Impedance: Typical output impedance of 0.2 Ω.
- Current Sinking Capability: Capable of sinking currents from 1 mA to 100 mA.
- Compact Package: Available in a SOT-23-3 (DBZ) plastic package.
Applications
- Rack Server Power: Used in power supply systems for rack servers.
- Industrial AC/DC: Suitable for industrial AC/DC power supplies and converters.
- AC Inverter & VF Drives: Applied in AC inverter and variable frequency drive systems.
- Servo Drive Control Module: Used in servo drive control modules for precise voltage regulation.
- Notebook PC Power Adapter Design: Utilized in power adapter designs for notebook PCs.
Q & A
- What is the reference voltage tolerance of the TL431AIDBZR?
The reference voltage tolerance of the TL431AIDBZR is 1% (Class A accuracy).
- What is the adjustable output voltage range of the TL431AIDBZR?
The adjustable output voltage range is from approximately 2.5 V to 36 V, set by two external resistors.
- What is the operating temperature range of the TL431AIDBZR?
The operating temperature range is from -40 °C to 85 °C.
- What is the typical temperature drift of the TL431AIDBZR?
The typical temperature drift is 14 mV (I temperature rating).
- What is the output impedance of the TL431AIDBZR?
The typical output impedance is 0.2 Ω.
- What is the current sinking capability of the TL431AIDBZR?
The TL431AIDBZR can sink currents from 1 mA to 100 mA.
- In what package type is the TL431AIDBZR available?
The TL431AIDBZR is available in a SOT-23-3 (DBZ) plastic package.
- Is the TL431AIDBZR RoHS compliant?
- What are some common applications of the TL431AIDBZR?
- How does the TL431AIDBZR ensure thermal stability?
