MIC2954-07YM-TR

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MIC2954-07YM-TR is a low-power, linear voltage regulator manufactured by MIC. It is often used in applications such as motor control, communications, consumer electronics, automotive, and embedded platforms.

This device features a 300mV dropout voltage and a wide input voltage range of +3.3V to + 24V. The output voltage can be set between +1.2V and +7.0V with an adjustable external resistor. It also offers a maximum output current of 500mA. This device has excellent transient response and low noise characteristics, which makes it suitable for noise-sensitive applications.

Working Principle

The MIC2954-07YM-TR works on the premise that an external resistive divider is used to set the output voltage. The divider consists of two resistors, R1 and R2. The output voltage is calculated using the equation: Vout = (R1+R2)/R1 x Vdd. The output voltage is then compared against a voltage reference and the difference is used to control the power FET. The FET adjusts the current flow through the adjustable resistor R1 in order to maintain the desired output voltage.

The device also features a unique mounting method. It utilizes two pins, each set at a different voltage level. When the device is properly mounted on the PCB, the reference current is established, enabling precise and stable output voltage control.

The MIC2954-07YM-TR has a wide range of applications. It is ideal for use in motor control, communications, consumer electronics, automotive, and embedded platforms. It is also suitable for use in noise sensitive circuits due to its low dropout voltage and excellent transient response.

The device also features an over-temperature protection and over-current protection for added safety. The micro-power shutdown feature allows for very low power consumption when the device is not in use.

In summary, the MIC2954-07YM-TR is a low-power, linear voltage regulator with a wide input voltage range, excellent transient response, and low-dropout voltage characteristics. It is ideal for use in motor control, communications, consumer electronics, automotive, and embedded platforms. The unique two-pin mounting method ensures precise and stable output voltage control.

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