Overview
The TL431AQDBZR,215 is an adjustable precision shunt regulator produced by Nexperia USA Inc. This component belongs to the three-terminal shunt regulator family and is designed to provide a programmable output voltage range from 2.495 V to 36 V, set by two external resistors. It is part of Nexperia’s extensive portfolio of semiconductor components, known for their high reliability, efficiency, and compliance with stringent industry standards, particularly in automotive and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage (Vref) | 2.495 | V |
| Reference Voltage Tolerance | 1% | - |
| Output Voltage Range | 2.495 V to 36 V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | SOT23 | - |
| Number of Pins | 3 | - |
| Sink Current Capability | 1 mA to 100 mA | mA |
| Typical Output Impedance | 0.2 Ω | Ω |
| AEC-Q100 Qualification | Grade 1 | - |
Key Features
- Programmable output voltage up to 36 V using two external resistors.
- Three different reference voltage tolerances: Standard grade (2%), A-Grade (1%), and B-Grade (0.5%).
- Low output noise and typical output impedance of 0.2 Ω.
- Sink current capability from 1 mA to 100 mA.
- Qualified according to AEC-Q100 (grade 1) for automotive applications.
- Enhanced stability area with very low load capacity requirement.
- Available in SOT23 package with surface mount configuration.
Applications
- Shunt regulator.
- Precision current limiter.
- Precision constant current sink.
- Isolated feedback loop for Switch Mode Power Supply (SMPS) applications.
- Automotive and industrial applications due to AEC-Q100 qualification.
- General use in power supplies, voltage regulators, and other electronic circuits requiring precise voltage regulation.
Q & A
- What is the output voltage range of the TL431AQDBZR,215?
The output voltage range is from 2.495 V to 36 V, set by two external resistors.
- What are the reference voltage tolerances available for this component?
The reference voltage tolerances are 2% (Standard grade), 1% (A-Grade), and 0.5% (B-Grade).
- What is the operating temperature range of the TL431AQDBZR,215?
The operating temperature range is from -40°C to 125°C.
- What is the package type and number of pins for this component?
The package type is SOT23 with 3 pins.
- What is the sink current capability of the TL431AQDBZR,215?
The sink current capability ranges from 1 mA to 100 mA.
- Is the TL431AQDBZR,215 qualified for automotive applications?
Yes, it is qualified according to AEC-Q100 (grade 1) for automotive applications.
- What are some common applications of the TL431AQDBZR,215?
Common applications include shunt regulator, precision current limiter, precision constant current sink, and isolated feedback loop for SMPS.
- What is the typical output impedance of the TL431AQDBZR,215?
The typical output impedance is 0.2 Ω.
- Is the TL431AQDBZR,215 RoHS compliant?
Yes, the component is RoHS compliant.
- What is the mounting type of the TL431AQDBZR,215?
The mounting type is surface mount.
