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REF3033TB-GT3
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REF3033TB-GT3 Description
REF3033TB-GT3 Description
The REF3033TB-GT3 is a precision voltage reference IC designed by onsemi, a leading manufacturer in the power management industry. This device is part of the Power Management (PMIC) category and offers a fixed output voltage of 3.3V with a tolerance of ±0.2%. It is housed in a compact SOT23-3 package, making it suitable for surface mount applications. The REF3033TB-GT3 is known for its high accuracy and stability, making it an ideal choice for applications requiring precise voltage regulation.
REF3033TB-GT3 Features
- Fixed Output Voltage: The REF3033TB-GT3 provides a stable 3.3V output voltage, ensuring consistent performance in various electronic circuits.
- Low Tolerance: With a tolerance of ±0.2%, this voltage reference offers high precision, which is crucial for applications that require accurate voltage levels.
- Low Supply Current: The device operates on a low supply current of 30µA, making it energy-efficient and suitable for low-power applications.
- Wide Input Voltage Range: The REF3033TB-GT3 can operate within an input voltage range of 2.7V to 5.5V, providing flexibility in power supply requirements.
- Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures minimal drift in output voltage over a wide temperature range, enhancing the device's reliability in varying environmental conditions.
- Surface Mount Technology: The surface mount package type allows for easy integration into modern PCB designs, reducing the overall footprint and improving thermal performance.
- Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the REF3033TB-GT3 is suitable for a wide range of manufacturing processes without the need for special handling.
- Compliance: The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it is REACH unaffected, ensuring compliance with international regulations.
REF3033TB-GT3 Applications
The REF3033TB-GT3 is ideal for a variety of applications that demand precise voltage references. Some specific use cases include:
- Analog-to-Digital Converters (ADCs): The high accuracy and stability of the REF3033TB-GT3 make it an excellent reference voltage source for ADCs, ensuring accurate conversions.
- Digital-to-Analog Converters (DACs): The device's low tolerance and low temperature coefficient provide a stable reference voltage for DACs, enhancing the precision of analog output signals.
- Power Management Circuits: The REF3033TB-GT3 can be used in power management circuits to provide a stable reference voltage for regulators and controllers.
- Battery Management Systems: The wide input voltage range and low supply current make it suitable for battery-powered devices, where precise voltage regulation is essential.
- Medical Devices: The high precision and reliability of the REF3033TB-GT3 are beneficial in medical devices that require accurate voltage references for critical operations.
Conclusion of REF3033TB-GT3
The REF3033TB-GT3 from onsemi is a high-performance voltage reference IC designed for applications that require precise and stable voltage regulation. Its low tolerance, low supply current, and wide input voltage range make it a versatile and reliable choice for various electronic systems. Despite being marked as obsolete, the REF3033TB-GT3 remains a valuable component for engineers and designers seeking a compact, high-precision voltage reference solution.



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