S-1142D87H-E6T2U

PMIC - Voltage Regulators - Linear

The S-1142D87H-E6T2U is typicallop used for linear voltage regulators. These voltage regulators are designed to produce a reasonably accurate regulated voltage from an unregulated supply for a wide range of current requirements. Essentially, a linear voltage regulator is a device that limits the output voltage in low voltage applications. The device provides a wide range of features that make it an ideal choice for use in various types of applications such as power management, automotive, consumer, industrial, medical and other applications.

Application Field

The S-1142D87H-E6T2U mainly finds use in controlling and regulating the output voltage of power supplies or other power distribution systems. These voltage regulators are designed for use as a main or local power supply for logic circuits or other digital systems. They are widely used in low voltage applications such as laptops, tablets, peripherals, radio receivers, tuners, digital home appliances, DVD players, cellular phones, and countless other consumer applications.

Working Principle

The S-1142D87H-E6T2U typically works using a voltage regulator circuit. This circuit includes an operational amplifier, a comparator, and a voltage reference. The operational amplifier, also known as an op-amp, will amplify the input signal and produce a large output voltage that is proportional to the small input voltage. The voltage reference is then set to provide a specific output voltage, e.g. 5 V, 12 V, etc. The comparator then compares the input signal and the reference voltage, and controls the output voltage accordingly. The output voltage will either rise or fall in response to this comparison until the two input signals are equal.

This type of voltage regulator also typically includes an output transistor for controlling the current through the circuit. This output transistor helps to prevent large current spikes and current overloads. Furthermore, the S-1142D87H-E6T2U is usually equipped with short-circuit, overcurrent, and thermal protection, ensuring its reliability and long-term stability.

Conclusion

The S-1142D87H-E6T2U is a commonly used linear voltage regulator for low voltage applications. Its voltage regulator circuit utilizes an op-amp, reference voltage, and comparator to control the output voltage. It also includes an output transistor and various protection features to ensure its long-term reliability and stability. Long story short, the S-1142D87H-E6T2U is the perfect solution for a variety of power management, automotive, consumer, industrial, medical and other applications.