Overview
The TL431ACDBZRVL is an adjustable precision shunt regulator produced by Nexperia USA Inc. It belongs to the TL431 family of three-terminal shunt regulators, known for their high precision and adjustable output voltage. This component is designed to provide a stable voltage reference and can be used in a variety of applications, including power supplies, voltage regulators, and current limiters.
The TL431ACDBZRVL is part of Nexperia's extensive portfolio of discrete and IC components, which are renowned for their reliability, efficiency, and compliance with stringent industry standards.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Reference Voltage (Vref) | VKA = Vref; IK = 10 mA | 2470 | 2495 | 2520 | mV |
| Reference Voltage Tolerance | - | - | 1% | - | - |
| Cathode-Anode Voltage (VKA) | - | - | 37 | V | |
| Cathode Current (IK) | - | -100 | 150 | mA | |
| Reference Current (Iref) | - | 0.05 | 10 | mA | |
| Total Power Dissipation (Ptot) | Tamb ≤ 25 °C | - | 950 | mW | |
| Junction Temperature (Tj) | - | - | 150 | °C | |
| Ambient Temperature (Tamb) | - | -40 | 85 | °C | |
| Storage Temperature (Tstg) | - | -65 | 150 | °C |
Key Features
- Programmable Output Voltage: Up to 36 V, set by two external resistors.
- Reference Voltage Tolerances: Available in standard (2%), A-grade (1%), and B-grade (0.5%) tolerances.
- Low Output Noise: Ensures stable voltage output.
- Typical Output Impedance: 0.2 Ω.
- Sink Current Capability: From 1 mA to 100 mA.
- AEC-Q100 Qualified: Grade 1, suitable for automotive applications.
- EMI Ruggedness: Enhanced stability and EMI ruggedness in certain types (e.g., TL431xFDT).
Applications
- Shunt Regulator: Used in voltage regulation and stabilization.
- Precision Current Limiter: Limits current in various circuits.
- Precision Constant Current Sink: Provides a stable current sink.
- Isolated Feedback Loop for SMPS: Used in Switch Mode Power Supplies for feedback control.
Q & A
- What is the TL431ACDBZRVL used for?
The TL431ACDBZRVL is used as an adjustable precision shunt regulator in various applications, including voltage regulation, current limiting, and feedback control in power supplies.
- What is the output voltage range of the TL431ACDBZRVL?
The output voltage range of the TL431ACDBZRVL can be set between 2.495 V and 36 V using two external resistors.
- What are the reference voltage tolerances available for the TL431 family?
The TL431 family is available in standard (2%), A-grade (1%), and B-grade (0.5%) reference voltage tolerances.
- What is the typical output impedance of the TL431ACDBZRVL?
The typical output impedance of the TL431ACDBZRVL is 0.2 Ω.
- What is the sink current capability of the TL431ACDBZRVL?
The sink current capability of the TL431ACDBZRVL ranges from 1 mA to 100 mA.
- Is the TL431ACDBZRVL AEC-Q100 qualified?
Yes, the TL431ACDBZRVL is AEC-Q100 qualified, grade 1, making it suitable for automotive applications.
- What types of ruggedness do the TL431xFDT types offer?
The TL431xFDT types offer enhanced stability and Electromagnetic Interference (EMI) ruggedness.
- What are the TL431xSDT types designed for?
The TL431xSDT types are designed for standard requirements and linear applications.
- What is the junction temperature range of the TL431ACDBZRVL?
The junction temperature range of the TL431ACDBZRVL is up to 150 °C.
- What is the storage temperature range of the TL431ACDBZRVL?
The storage temperature range of the TL431ACDBZRVL is from -65 °C to 150 °C.
