MC79M12BDTRKG

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The MC79M12BDTRKG is a monolithic three-terminal linear voltage regulator with an operating temperature range of −40 °C to 125 °C. This regulator contains built-in temperature and current-limit protection, and provides excellent ripple rejection.The MC79M12BDTRKG output voltage can be easily adjusted from 1.2 V to 40 V by changing the external resistors. Output voltages as low as 0.8 V can be achieved in low voltage (LDO) applications. With an output current over 150 mA, the MC79M12BDTRKG is a cost-effective solution for most applications where medium output current is required.

MC79M12BDTRKG belongs to the PMIC (Power Management IC) voltage regulator family, specifically the Linear type. It is a highly versatile device and can be used in various applications.

Some common use cases are

• Computer: The MC79M12BDTRKG can be used in laptop computers as the main power supply to deliver power to the other components.
• Automobiles: The MC79M12BDTRKG can be used in car audio systems for regulating the power supplied to the speakers and other audio components.
• Consumer electronics: The MC79M12BDTRKG can be used in consumer electronics such as cell phones, handheld game consoles, cameras, etc. as a power source.
• Industrial: The MC79M12BDTRKG can be used in industrial applications such as SCADA systems, industrial automation, etc. as a regulated power source.

The working principle of the MC79M12BDTRKG is fairly simple. It consists of a control circuitry and an internal voltage reference. The voltage reference is used to compare the output voltage to the reference voltage and the control circuitry modifies the output voltage accordingly. The load current is sensed by the current sensing resistor, whose voltage is compared to the reference voltage, and the output voltage is adjusted to maintain the load current at the desired value. The output voltage is then stabilized by the error amplifier.

The MC79M12BDTRKG is an excellent power supply solution for most applications that require medium output current and accurate output voltage control. Its low-dropout design greatly reduces power loss, and its high efficiency reduces power consumption. The wide operating temperature range, current-limit and temperature protection features make it suitable for harsh, demanding environments.

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