Overview
The TL431AIDBZR is an adjustable precision shunt regulator produced by Texas Instruments. This device is packaged in a small outline transistor (SOT-23) form, making it suitable for a variety of applications where space is limited. The TL431AIDBZR is part of the TL431 family, known for its high accuracy and stability over a wide temperature range.
Key Specifications
| Category | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Mfr. Part # | TL431AIDBZR |
| Package | SOT-23 |
| Reference Voltage Tolerance | ±1% at 25°C |
| Output Voltage Range | 2.495 V to 36 V |
| Sink-Current Capability | 1 mA to 100 mA |
| Operating Temperature Range | -40°C to 85°C |
| Typical Output Impedance | 0.2 Ω |
| Low Output Noise | Yes |
Key Features
- Adjustable output voltage from 2.495 V to 36 V using two external resistors.
- High accuracy with initial tolerances of ±1% at 25°C.
- Low output impedance of 0.2 Ω.
- Low output noise.
- Sink-current capability from 1 mA to 100 mA.
- Active output circuitry providing a sharp turn-on characteristic, making it an excellent replacement for Zener diodes.
- Operates over a wide temperature range from -40°C to 85°C.
Applications
- On-board voltage regulation.
- Adjustable power supplies.
- Switching power supplies.
- Replacement for Zener diodes in various applications.
- Automotive, commercial, and military applications due to its specified thermal stability over applicable temperature ranges.
Q & A
- What is the package type of the TL431AIDBZR?
The TL431AIDBZR is packaged in a SOT-23 form.
- What is the reference voltage tolerance of the TL431AIDBZR?
The reference voltage tolerance is ±1% at 25°C.
- What is the output voltage range of the TL431AIDBZR?
The output voltage can be set between 2.495 V and 36 V using two external resistors.
- What is the sink-current capability of the TL431AIDBZR?
The sink-current capability ranges from 1 mA to 100 mA.
- What is the operating temperature range of the TL431AIDBZR?
The device operates from -40°C to 85°C.
- What are some common applications of the TL431AIDBZR?
Common applications include on-board voltage regulation, adjustable power supplies, switching power supplies, and as a replacement for Zener diodes.
- Does the TL431AIDBZR have low output noise?
Yes, the TL431AIDBZR has low output noise.
- What is the typical output impedance of the TL431AIDBZR?
The typical output impedance is 0.2 Ω.
- Is the TL431AIDBZR RoHS compliant?
Yes, the TL431AIDBZR is RoHS compliant.
- What are the different grades of the TL431 family?
The TL431 family is offered in three grades with initial tolerances of 0.5%, 1%, and 2% for the B, A, and standard grades, respectively.
