Overview
The REF3133AIDBZR is a precision, low power, low dropout series voltage reference produced by Texas Instruments. It is part of the REF31xx family and is available in a compact 3-pin SOT-23 package. This component is designed for applications requiring high accuracy and stability over a wide temperature range. Its small size and low power consumption make it particularly suitable for portable and battery-powered devices.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOT-23 (DBZ) with 3 pins |
| Operating Temperature Range | -40°C to 125°C |
| Output Voltage | 3.3 V |
| Temperature Coefficient | 15 ppm/°C (0°C to 70°C), 20 ppm/°C (40°C to 125°C) |
| Low Dropout Voltage | 5 mV |
| Output Current | ±10 mA |
| Accuracy | 0.2% Maximum |
| Quiescent Current (IQ) | 115 µA Maximum |
| Load Capacitance | No load capacitor required, stable with any capacitive load |
Key Features
- Compact SOT23-3 package
- Low dropout voltage of 5 mV
- High output current capability of ±10 mA
- High accuracy with a maximum of 0.2% deviation
- Low quiescent current of 115 µA maximum
- Excellent temperature drift performance: 15 ppm/°C (0°C to 70°C) and 20 ppm/°C (40°C to 125°C)
- No load capacitor required, stable with any capacitive load
Applications
The REF3133AIDBZR is ideal for a variety of applications, particularly those requiring precision voltage referencing in compact and power-efficient designs. Key applications include:
- Portable and battery-powered devices due to its low power consumption and small size.
- Industrial control systems where stable voltage references are crucial.
- Automotive systems that require reliable operation over a wide temperature range.
- Medical devices that demand high accuracy and stability.
Q & A
- What is the package type of the REF3133AIDBZR?
The REF3133AIDBZR is packaged in a 3-pin SOT-23 (DBZ) package. - What is the operating temperature range of the REF3133AIDBZR?
The operating temperature range is -40°C to 125°C. - What is the output voltage of the REF3133AIDBZR?
The output voltage is 3.3 V. - What is the temperature coefficient of the REF3133AIDBZR?
The temperature coefficient is 15 ppm/°C from 0°C to 70°C and 20 ppm/°C from 40°C to 125°C. - What is the low dropout voltage of the REF3133AIDBZR?
The low dropout voltage is 5 mV. - What is the maximum output current of the REF3133AIDBZR?
The maximum output current is ±10 mA. - What is the accuracy of the REF3133AIDBZR?
The accuracy is 0.2% maximum. - What is the quiescent current (IQ) of the REF3133AIDBZR?
The quiescent current is 115 µA maximum. - Does the REF3133AIDBZR require a load capacitor?
No, the REF3133AIDBZR does not require a load capacitor but is stable with any capacitive load. - What are some typical applications for the REF3133AIDBZR?
Typical applications include portable and battery-powered devices, industrial control systems, automotive systems, and medical devices.
