MIC2214-JQBML TR

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MIC2214-JQBML TR Application Field and Working Principle

IntroductionThe MIC2214-JQBML TR is a low dropout (LDO) linear voltage regulator that is integrated into a standard 3-pin SOT-23 package, making it suitable for surface mount applications. It is a low power consumption device that provides output voltage stability and good efficiencies over a wide input voltage range. Its input voltage range is 2V to 40V and the output voltage range is adjustable from 1.2V to 14V. This regulator has a typical dropout voltage of 200 mV at 500mA of output current, and features a 0.3Ω series internal resistor. It also has a low minimum enable voltage of 0.25V, making it suitable for low power applications. This regulator offers a quiescent current of 7 mA with a 0.1 μF bypass capacitor, and a maximum output current of 500mA. Finally, the device utilizes a high frequency, CMOS switchmode topology for superior load and line regulation.

Application Field

The MIC2214-JQBML TR is suitable for a variety of applications including powering microcontrollers, DSPs, logic circuits and other low power load applications. Due to its great performance capabilities, the low dropout regulator is suitable in a range of applications, from power supply design and portable electronic devices to industrial and automotive applications. In particular, due to its wide input voltage range, it is suitable for automotive applications such as engine control, lighting, and navigation systems. Moreover, this regulator is suitable for communication equipment and telecommunication infrastructure, telecom towers and base stations, as well as a range of other computer and digital systems.

Working Principle

The MIC2214-JQBML TR utilizes a low dropout circuit topology in order to regulate the output voltage, maintaining a steady feed to the load. This is accomplished by measuring the amount of voltage drop across a series resistor and adjusting the current accordingly. When the input voltage is greater than the output voltage, the regulator allows for a certain amount of current to flow in order to maintain the output voltage. As the input voltage decreases, the current is gradually reduced to maintain the output voltage. The regulator also contains a high frequency switch mode converter circuit. This allows for the current to be switched on and off at high frequencies, resulting in excellent line and load regulation, low noise, and high efficiency.

The MIC2214-JQBML TR also features a low minimum enable input voltage of 0.25V. This ensures that the regulator is able to operate even in low voltage applications. The device also features a wide input voltage range of 2V to 40V, allowing it to be used in a variety of scenarios. In addition, the regulator incorporates a 0.3Ω series resistor, enabling it to effectively control the output voltage when a high current is being drawn from the device. Finally, the quiescent current of 7 mA and the maximum output current of 500mA make the regulator suitable for a variety of low power applications.

Conclusion

The MIC2214-JQBML TR linear voltage regulator provides superior performance, excellent efficiency and stability, and low power consumption in a wide range of conditions. Its wide input voltage range ensures that it can be used in a variety of applications ranging from automotive to communication, and its high frequency, CMOS switchmode topology enables excellent line and load regulation. In addition, its low minimum enable voltage enables the device to operate in low voltage applications, while its 0.3Ω series resistor ensures that the output voltage is well regulated when a high current is being drawn. Finally, the quiescent current of 7 mA and max output current of 500mA make it suitable for a variety of low power applications.

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