MC78L12ACPRP

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The MC78L12ACPRP is a voltage regulator from the MC78L00 series, produced by ON Semiconductor. It is a 3-terminal negative voltage regulator, capable of supplying output currents up to 100mA. This device features excellent temperature stability and low noise, making it suitable for a variety of linear power supply applications. In addition, it features excellent ripple rejection and low quiescent current for energy efficient operation.

When it comes to application, the MC78L12ACPRP is suitable for use in a range of scenarios. These include powering voltage controlled oscillators, providing low-power bias supplies, and stabilizing the supply voltage of logic circuits. It can also be used in battery-operated equipment, providing a steady and reliable power source without consuming excess energy.

The MC78L12ACPRP has three pins, named Output (VOUT), Input (VIN), and Ground (GND), respectively. As with other voltage regulators, the output voltage is determined by two resistors connected to the input (R1 and R2). The output voltage is set to VOUT = VIN * (1 + R2/R1). To use the device, the input needs to be connected to the desired source voltage and the resistive divider set to the required output voltage, typically between -1.2V and -12V.

The MC78L12ACPRP features several features that makes it especially useful for power supply applications. It features low quiescent current (Iq) and VIN/VOUT ratios that can be tailored to the desired power requirements, enabling efficient and low-cost implementations. In addition, the device has excellent temperature stability and ripple rejection, allowing it to maintain a steady output voltage despite external conditions.

Overall, the MC78L12ACPRP is a reliable and cost-effective device for powering linear applications. Its excellent temperature stability, low quiescent current and tailored input/output ratios allow it to remain stable and efficient even in the harshest of conditions. With its high-ripple rejection and low-noise levels, it is an ideal choice for powering sensitive logic circuits and voltage-controlled oscillators.

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