LM336BDR-2-5 Integrated Circuits (ICs)

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The LM336BDR-2-5 is a precision two-terminal voltage reference device that is used in various applications ranging from battery powered systems to high-end audio systems & M2M applications. It is classified within the PMIC (Power Management ICs) - Voltage Reference family of components, and provides accurate and stable reference voltage in both active and standby mode. This article will explore the LM336BDR-2-5 application field & its working principle.

Applications

The LM336 is a popular choice for users looking for a reliable, low-cost solution to provide an accurate reference voltage in active and standby mode. The LM336BDR-2-5 is designed to supply an output voltage of 5V and a temperature coefficient of 7 ppm/degree C. Furthermore, its lower resistance of 1/5th of other reference device translates to better performance under load changes. Its primary applications include automotive and industrial systems, including power supplies, battery-powered systems, power management, LED lighting, and M2M communications. Additionally, it provides the precision needed for high-end audio products, battery voltage monitoring applications, and temperature compensation circuits.

Working Principle

The LM336BDR-2-5 operates based on the phenomenon of electron tunneling in a MOSFET transistor. It is composed of a MOSFET tunneling junction and a reverse biased Zener diode. This junction is configured in a transistor configuration so that, when the junction is forward biased, an avalanche breakdown occurs, generating an exponentially increasing negative current with an exponential component representing tunneling current. When the internal current bias reaches a certain level, the tunneling junction collapses, producing a constant current. This results in a constant reference voltage at the output of the device. The output voltage of the LM336 is independent of the supply voltage, temperature, and external current flow, making it ideal for applications that require on-going accuracy.

The LM336 has excellent temperature stability and lower leakage current, making it a great choice for automotive and industrial applications requiring reliable reference voltage across temperatures. The device also features low offset voltage and high compliance range, making it suitable for a variety of precision reference applications. Furthermore, its wide output voltage range of 0V to 20V makes it ideal for bleeding applications in amplifiers.

Conclusion

The LM336BDR-2-5 is a two-terminal voltage reference device that provides precision reference voltage in active and standby mode. It offers wide output voltage range of 0V to 20V, low offset voltage, and high compliance range. Its low resistance and excellent temperature stability make it suitable for power supplies, battery-powered systems, power management, LED lighting, and M2M communications. The device is also ideal for high-end audio products, battery voltage monitoring applications, temperature compensation, and bleeding applications in amplifiers.

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