| Allicdata Part #: | REF3012AIDBZTTR-ND |
| Manufacturer Part#: |
REF3012AIDBZT |
| Price: | $ 0.72 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC VREF SERIES 1.25V SOT23-3 |
| More Detail: | Series Voltage Reference IC ±0.2% 25mA SOT-23-3 |
| DataSheet: |  REF3012AIDBZT Datasheet/PDF |
| Quantity: | 14250 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | $ 0.72000 |
| 10 +: | $ 0.69840 |
| 100 +: | $ 0.68400 |
| 1000 +: | $ 0.66960 |
| 10000 +: | $ 0.64800 |
Specifications
| Temperature Coefficient: | 75ppm/°C |
| Base Part Number: | REF3012 |
| Supplier Device Package: | SOT-23-3 |
| Package / Case: | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TA) |
| Current - Supply: | 50µA |
| Voltage - Input: | 1.8 V ~ 5.5 V |
| Noise - 10Hz to 10kHz: | 42µVrms |
| Noise - 0.1Hz to 10Hz: | 14µVp-p |
| Series: | -- |
| Tolerance: | ±0.2% |
| Current - Output: | 25mA |
| Voltage - Output (Min/Fixed): | 1.25V |
| Output Type: | Fixed |
| Reference Type: | Series |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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Power Management Integrated Circuit (PMIC) – Voltage Reference plays an essential role in moderating the fluctuation of input current, regulating the output current, and providing protection to the system. PMIC Voltage References, like REF3012AIDBZT, are designed to ensure the voltage stability and accuracy of the power system. This article will explain the application field of REF3012AIDBZT and describe its working principle.Application Field of REF3012AIDBZT
REF3012AIDBZT is ideal for voltage references in harsh environments. It features wide input voltage ranges of 0.7V to 5.5V, making it capable of providing stable and accurate references in a wide variety of environments, including industrial and automotive applications. Additionally, REF3012AIDBZT also includes a temperature compensated bandgap as well as 500ppm/ºC of accuracy and low temperature coefficients, providing superior performance compared to other voltage references. REF3012AIDBZT can be used in different applications such as on-board power systems, central office equipment, medical equipment, laser diodes and other industrial applications.Working Principle of REF3012AIDBZT
REF3012AIDBZT is built on a bandgap reference circuit, which all voltage references are based on. The bandgap reference circuit utilizes the difference in voltage between two diodes connected in parallel, known as the bandgap voltage. This reference voltage is generated via an internal bandgap multiplier, which outputs a stable and accurate reference voltage regardless of temperature and load changes. The REF3012AIDBZT is also equipped with a control loop, which is responsible for regulating the output voltage and providing protection against surges, over voltage, and any fluctuations in the input voltage. The output voltage is regulated by a precision voltage divider, with the reference voltage applied to a resistor-network across the datalines. The output voltage is calculated using a control loop, where the divider output is compared with the reference voltage. This feedback loop ensures that the output remains steady and accurate regardless of temperature and load changes. In addition, REF3012AIDBZT is equipped with an over voltage protection feature, which protects the system from voltage surges and transients. The over voltage protection eliminates the need for external clamping diodes and helps to extend the life of the system.Conclusion
REF3012AIDBZT is an ideal voltage reference for harsh environments, providing precision and accuracy regardless of temperature and load changes. REF3012AIDBZT is designed to take the pressure off of room-temperature and load-dependent applications and provide a reliable source of reference voltage. Its built-in control loop and over voltage protection eliminate the need for external components, simplifying power system design. With its wide input range, REF3012AIDBZT is suitable for a variety of applications, from on-board power systems to medical equipment.The specific data is subject to PDF, and the above content is for reference
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