S-812C36AMC-C2QT2U Integrated Circuits (ICs)

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The S-812C36AMC-C2QT2U is a voltage regulator from Semtech’s linear power management IC (PMIC) family. Linear PMICs are designed to provide the user with an efficient, reliable and cost-effective way to power their electronic products.

The S-812C36AMC-C2QT2U is an adjustable, low drop-out regulator featuring an 8V to 36V input voltage range and up to 1.2A output current. It features a current foldback function that can be adjusted via an external resistor, providing short-circuit protection and fault tolerance. This regulator offers a high efficiency of up to 95%, making it an ideal solution for space-constrained applications.

The S-812C36AMC-C2QT2U is an ideal choice for a wide range of applications including medical equipment, consumer products, set-top boxes, and automotive and industrial systems. It is especially suited for applications requiring high efficiency, long-term stability, and low noise operation.

The working principle of the S-812C36AMC-C2QT2U is simple. This regulator uses a feedback control loop to compare the output voltage to a reference voltage and adjust the resistance of an internal control element to keep the output voltage constant. This internal control element is usually a MOSFET (metal oxide semiconductor field-effect transistor). The feedback circuit ensures that the output voltage is kept constant, even when the input voltage or load current changes.

The S-812C36AMC-C2QT2U is also configured to provide temperature protection, current limit, and overvoltage protection. It also features low quiescent current to ensure low power consumption, making it ideal for battery-operated devices.

The S-812C36AMC-C2QT2U can also be configured for a protection circuit, allowing it to protect the load from over-voltage, over-current, and over-temperature conditions. The protection circuit uses a comparator to monitor the voltage on the LDO output. If the voltage exceeds a preset threshold, the comparator will trip and shut off the LDO output. It also features an internal frequency-compensation circuit, allowing the user to adjust the frequency of the input/output signals to minimize noise and ripple.

In short, the S-812C36AMC-C2QT2U is an adjustable low drop-out voltage regulator with a wide input voltage range and high efficiency that makes it well suited for a variety of applications. Its adjustable current foldback and temperature protection circuits ensure reliable operation. Its frequency compensation circuit also helps to reduce ripple and noise while its low quiescent current helps to minimize power consumption. This makes it an ideal choice for a wide range of applications.

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