Overview
The ATL431AQDBZR is a precision shunt regulator produced by Texas Instruments, designed to provide accurate voltage references and regulation in various electronic circuits. This product falls under the category of voltage references and is widely used in power management, industrial control, and consumer electronics. Its market positioning targets engineers and designers who require high precision, low power consumption, and reliability in their applications. The ATL431AQDBZR stands out for its low output noise, wide operating temperature range, and excellent thermal stability, making it a competitive choice in its class.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Reference Voltage | 2.495 | V | Typical |
| Operating Voltage Range | 1.24 to 18 | V | |
| Output Current | 1 to 100 | mA | |
| Temperature Range | -40 to 125 | °C | Operating |
| Tolerance | ±0.5 | % | At 25°C |
| Package | SOT-23-3 | DBZ | |
| Noise Voltage | 0.2 | mVrms | Typical |
| Line Regulation | 0.2 | mV | Typical |
| Load Regulation | 0.2 | mV | Typical |
| Storage Temperature | -65 to 150 | °C |
Key Features
- High Precision: Provides a reference voltage with a tolerance of ±0.5%, ensuring accurate voltage regulation.
- Low Noise: Features a low noise voltage of 0.2 mVrms, ideal for noise-sensitive applications.
- Wide Operating Range: Operates over a voltage range of 1.24V to 18V, suitable for diverse applications.
- Thermal Stability: Excellent thermal stability ensures consistent performance across a wide temperature range.
- Compact Package: Available in a small SOT-23-3 package, saving board space in compact designs.
Applications
The ATL431AQDBZR is widely used in applications requiring precise voltage regulation and reference. Typical applications include:
- Power Supplies: Provides stable voltage references for switching and linear power supplies.
- Industrial Control Systems: Ensures accurate voltage regulation in control circuits and sensors.
- Consumer Electronics: Used in devices such as smartphones, tablets, and audio equipment for power management.
- Automotive Electronics: Suitable for automotive systems requiring reliable voltage references.
- Battery Management: Used in battery charging and monitoring circuits to maintain precise voltage levels.
Q & A
1. What is the typical reference voltage of the ATL431AQDBZR?
The typical reference voltage is 2.495V.
2. What is the operating temperature range of this component?
The operating temperature range is -40°C to 125°C.
3. What package does the ATL431AQDBZR come in?
It is available in a SOT-23-3 package.
4. What is the tolerance of the reference voltage?
The tolerance is ±0.5% at 25°C.
5. Can this component be used in automotive applications?
Yes, it is suitable for automotive electronics due to its reliability and wide temperature range.
6. What is the maximum output current it can handle?
The maximum output current is 100mA.
7. How does the ATL431AQDBZR perform in noise-sensitive applications?
It features a low noise voltage of 0.2 mVrms, making it ideal for noise-sensitive applications.
8. What is the line regulation of this component?
The typical line regulation is 0.2mV.
9. Is the ATL431AQDBZR suitable for battery management systems?
Yes, it is commonly used in battery charging and monitoring circuits.
10. What is the storage temperature range for this component?
The storage temperature range is -65°C to 150°C.
